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1. EDITORIAL

Author: Simone Peruzzo
Subjects: Nursing, RT1-120, Medicine (General), R5-920, Public aspects of medicine, RA1-1270
Abstract: Editorial
Published: 2024
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2. DIRECTions: Design and Specification of an IR Evaluation Infrastructure.

Author: Maristella Agosti, Emanuele Di Buccio, Nicola Ferro 0001, Ivano Masiero, Simone Peruzzo, and Gianmaria Silvello
Published: 2012
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3. PROMISE retreat report prospects and opportunities for information access evaluation.

Author: Maristella Agosti, Richard Berendsen, Toine Bogers, Martin Braschler, Paul Buitelaar, Khalid Choukri, Giorgio Maria Di Nunzio, Nicola Ferro 0001, Pamela Forner, Allan Hanbury, Karin Friberg Heppin, Preben Hansen, Anni Järvelin, Birger Larsen, Mihai Lupu, Ivano Masiero, Henning Müller, Simone Peruzzo, Vivien Petras, Florina Piroi, Maarten de Rijke, Giuseppe Santucci, Gianmaria Silvello, and Elaine G. Toms
Published: 2012
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4. Thermal analysis of the RFX-mod2 operating conditions for the design of the temperature measurement system

Author: Andrea Erculiani, Simone Peruzzo, Mauro Dalla Palma, G. Gambetta, and Roberto Cavazzana
Subjects: Materials science, Temperature monitoring and control, Locked mode pulse, 02 engineering and technology, Mechanics, Plasma, 021001 nanoscience & nanotechnology, Condensed Matter Physics, 01 natural sciences, Temperature measurement, Finite element method, 010406 physical chemistry, 0104 chemical sciences, Thermocouples, Heat flux, Duty cycle, Thermal, Plasma-facing components, Transient (oscillation), First wall conditioning, Physical and Theoretical Chemistry, 0210 nano-technology, Thermal analysis, Finite element simulation
Abstract: High heat fluxes are exchanged in fusion machines (up to 50 MW m-2), thus producing elevated temperature and requiring thermal monitoring and control. The design of a temperature measurement system for the RFX experiment is developed through three-dimensional nonlinear transient finite element simulations of the torus assembly under upgrade from "mod" to "mod2" with enhanced magnetic front-end, vacuum confinement barrier, and first wall. Analyses show how heat fluxes applied at the plasma-facing materials are transmitted, attenuated and delayed, through the machine parts. Results identify the passive stabilising shell as the instrumentable component closest to the plasma boundary able to follow the thermal behaviour by the detection of temperature variations at least of 10 °C during plasma pulses with a response time of about 200 s. Allowable temperature limits of materials are verified simulating a full experimental day with 24 plasma pulses, in particular at the shell supporting rings made of polyamide-imide and at the vessel spacers made of polyether-ether ketone-coated stainless steel. Simulations of the pulse discharge cleaning demonstrated the capability of the system to provide the required power for first wall conditioning (25 kW) and the need to realise a duty cycle (1-h on/3-h off) limiting the average heat flux and the maximum temperature (55 °C) at the vacuum vessel sealing elements in order to minimise differential thermal deformations. Proposed layouts of temperature sensors are able to detect the maximum temperatures expected during operation.
Published: 2020
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5. Upgrade of the Magnetic Fault Detection System of RFX-mod2

Author: Matteo Bonotto, Matteo Brombin, Domenico Abate, Paolo Bettini, Roberto Cavazzana, Giuseppe Chitarin, Luca Grando, Simone Peruzzo, and Nicola Pomaro
Subjects: Nuclear and High Energy Physics, Fault identification, magnetic confinement fusion, rilevamento guasti sistemi magnetici (RGM), magnetic fault detection system, Condensed Matter Physics, RFX-mod2
Abstract: The magnetic fault detection system of RFX (named RGM, from the italian acronym Rilevamento Guasti sistemi Magnetici), originally developed in early 1990s and refurbished in 2000s, has been designed and manufactured with the aim of detecting, within one millisecond, electromagnetic faults of the windings and their circuits occurring during the operation of RFX. RGM is designed to guarantee a high degree of reliability to ensure the integrity of the machine. The magnetic configuration of RFX is characterized by a high level of symmetry: different windings are connected in order to carry the same current (i.e., the four sectors of magnetizing winding are connected in series, the field shaping windings has up-down symmetry of the currents). RGM exploits these specific features to detect imbalances between symmetric circuits, ensuring a fast and reliable intervention in case of fault. Other types of protection are foreseen to detect abnormal currents or voltages in critical parts of the system. However, the RGM system needs to be updated for several reasons. Firstly, the modifications planned for the upgraded RFX-mod2 are incompatible with the layout of some of the original sensors. Moreover, RGM does not allow operations with non-symmetric plasma cross-section (i.e., upper/lower single null configurations), as these configurations would require breaking the symmetry of the windings, giving an erroneous fault identification (false positive). This paper describes the upgrade of the RGM system, which will be equipped with several additional magnetic sensors to overcome the aforementioned limitations, and refurbished with re-designed electronic boards based on state of the art technologies and components. A model-based approach has been followed: the modelling activity involved simulations with both lumped-parameter models of the plasma and passive structures, and more detailed FEM models describing the non-linear evolution of plasma in presence of the passive structures. These simulations, which extend and update the effort done to design the original RGM, have the aim of analyzing several fault conditions to properly characterize the evolution of current/ voltages during these abnormal events, as well as the electrodynamic forces acting on the copper shell, and tune the protections to guarantee a suitable fast detection of the faults.
Published: 2022
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6. Electrode conditioning for the prevention of DC arc formation within a cold plasma

Author: R. Cavazzana, L. Cordaro, Matteo Zuin, Simone Peruzzo, and L. Marsango
Subjects: Materials science, business.industry, electrode conditioning, Magnetic confinement fusion, High voltage, Plasma, Weakly ionized plasma, Electric arc, Electrode, Optoelectronics, Electron temperature, business, Electrical conductor, Voltage
Abstract: In the RFX-mod2 experiment presently under construction, devoted to the study of magnetic confinement of fusion relevant plasmas, significant electric fields, in the kV/mm range, are expected to form in between in-vessel conductive plasma facing components during transient plasma current phases (start-up and fast termination). While such electric fields are of no concern for components in vacuum, the presence of a scrape-off plasma at the edge (electron density ne 10 16 ÷10 18 m -3 , electron temperature T e of few eV) can create the conditions for potentially dangerous arc formation. For this reason part of the plasma facing components (in particular the graphite 'first wall' tiles covering the copper 'stabilizing shell' placed within the plasma chamber) require a proper conditioning technique capable of maintaining the insulation between conductive components even in presence of the scrape-off plasma.An experimental apparatus has been developed in order to test the conditions for the arc formation and prevention between two electrodes immersed in a plasma generated by a hot emitting filament. The results of an extensive experimental campaign will be presented, aimed at demonstrating the possibility of gaining a sufficient electrical conditioning by applying the standard conditioning technique usually employed for higher voltage ranges. It consists of a sequence of high voltage pulses applied to the pair of electrodes with current limitation, in the presence of a background cold plasma with low ionization degree. The experimental procedure is such that the voltage of the pulses is slightly increased when arcing ceases, until the final desired voltage level is achieved (2.5 kV). Different electrode materials have been tested in a variety of plasma conditions in terms of electron density and working gas pressure.
Published: 2021
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7. Electromagnetic transducers close to high-temperature plasma in the thermonuclear fusion experiment RFX.

Author: Pietro Fiorentin, Simone Peruzzo, and Nicola Pomaro
Published: 2000
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8. On the road to ITER NBIs: SPIDER improvement after first operation and MITICA construction progress

Author: M. Tardocchi, G. Mico, Hitesh Patel, V. Antoni, A. Garbuglia, A. Masiello, Emanuele Sartori, L. Giacomelli, M. Brombin, F. Geli, A. De Lorenzi, Pierluigi Veltri, Piero Agostinetti, Gabriele Manduchi, S. Cristofaro, T. Maejima, D. Bruno, F. Paolucci, Marica Rebai, L. Cordaro, M. Zaupa, B. Pouradier-Duteil, S. Denizeau, M. Vignando, R. Lorenzini, Y. Yamashita, M. Dan, R. Casagrande, D. Lopez-Bruna, Federica Bonomo, R. Zagorski, M. Siragusa, M. Zuin, A. Rigoni-Garola, V. Candeloro, Daniel Gutierrez, H. Decamps, C. Taliercio, Loris Zanotto, F. Fellin, C. Rotti, M. Fadone, R. Delogu, M. Valente, M. Bigi, A. Canton, Gabriele Croci, R. Agnello, A. Pimazzoni, Bernd Heinemann, Emilio Martines, O. McCormack, M. Dalla Palma, Kazuhiro Watanabe, J. Graceffa, Nicola Pilan, Simone Peruzzo, Vanni Toigo, E. Oshita, A. Rizzolo, Elena Gaio, D. Aprile, M. Dremel, M. De Muri, B. Zaniol, R. Milazzo, C. Cavallini, Silvia Spagnolo, Gianluigi Serianni, N. Cruz, A. Sottocornola, Claudia Gasparrini, Hiroyuki Tobari, L. Trevisan, Namita Singh, P. Tomsic, T. Patton, F. Gasparini, F. Taccogna, Diego Marcuzzi, Atsushi Kojima, E. Spada, A. Muraro, Ursel Fantz, M. Pavei, A.K. Chakraborty, Francesco Gnesotto, A. Ferro, S. Konno, Tullio Bonicelli, Roberto Cavazzana, Giuseppe Chitarin, Nicolò Marconato, Giuseppe Gorini, Adriano Luchetta, A. Maistrello, A. Zamengo, C. Poggi, Marco D’Arienzo, N. Pomaro, F. Panin, A. Rousseau, Monica Spolaore, G. Berton, J.F. Moreno, W. Kraus, S. Dal Bello, M. Battistella, P. Tinti, G. Kouzmenko, D. Boilson, Piergiorgio Sonato, Marco Cavenago, C. Wimmer, M. J. Singh, M. Rutigliano, P. Jain, Pierluigi Zaccaria, M. Ugoletti, Marco Boldrin, D. Rigamonti, Katsuyoshi Tsumori, S. Manfrin, D. Wünderlich, Gwenael Fubiani, Muriel Simon, G. Martini, G. Agarici, Mieko Kashiwagi, D. Terranova, Marco Barbisan, S. Martini, M. Urbani, Luca Grando, Roberto Pasqualotto, J. Zacks, A. Tonti, M. Recchia, C. Labate, Matteo Agostini, P.B. Krastev, V. Pilard, G. Gomez, A. Shepherd, Toigo, V, Marcuzzi, D, Serianni, G, Boldrin, M, Chitarin, G, Bello, S, Grando, L, Luchetta, A, Pasqualotto, R, Zaccaria, P, Zanotto, L, Agnello, R, Agostinetti, P, Agostini, M, Antoni, V, Aprile, D, Barbisan, M, Battistella, M, Berton, G, Bigi, M, Brombin, M, Candeloro, V, Canton, A, Casagrande, R, Cavallini, C, Cavazzana, R, Cordaro, L, Cruz, N, Palma, M, Dan, M, De Lorenzi, A, Delogu, R, De Muri, M, Denizeau, S, Fadone, M, Fellin, F, Ferro, A, Gaio, E, Gasparini, F, Gasparrini, C, Gnesotto, F, Jain, P, Krastev, P, Lopez-Bruna, D, Lorenzini, R, Maistrello, A, Manduchi, G, Manfrin, S, Marconato, N, Martines, E, Martini, G, Martini, S, Milazzo, R, Patton, T, Pavei, M, Peruzzo, S, Pilan, N, Pimazzoni, A, Poggi, C, Pomaro, N, Pouradier-Duteil, B, Recchia, M, Rigoni-Garola, A, Rizzolo, A, Sartori, E, Shepherd, A, Siragusa, M, Sonato, P, Sottocornola, A, Spada, E, Spagnolo, S, Spolaore, M, Taliercio, C, Terranova, D, Tinti, P, Tomsic, P, Trevisan, L, Ugoletti, M, Valente, M, Vignando, M, Zagorski, R, Zamengo, A, Zaniol, B, Zaupa, M, Zuin, M, Cavenago, M, Boilson, D, Rotti, C, Veltri, P, Decamps, H, Dremel, M, Graceffa, J, Geli, F, Urbani, M, Zacks, J, Bonicelli, T, Paolucci, F, Garbuglia, A, Agarici, G, Gomez, G, Gutierrez, D, Kouzmenko, G, Labate, C, Masiello, A, Mico, G, Moreno, J, Pilard, V, Rousseau, A, Simon, M, Kashiwagi, M, Tobari, H, Watanabe, K, Maejima, T, Kojima, A, Oshita, E, Yamashita, Y, Konno, S, Singh, M, Chakraborty, A, Patel, H, Singh, N, Fantz, U, Bonomo, F, Cristofaro, S, Heinemann, B, Kraus, W, Wimmer, C, Wunderlich, D, Fubiani, G, Tsumori, K, Croci, G, Gorini, G, Mccormack, O, Muraro, A, Rebai, M, Tardocchi, M, Giacomelli, L, Rigamonti, D, Taccogna, F, Bruno, D, Rutigliano, M, D'Arienzo, M, Tonti, A, and Panin, F
Subjects: Tokamak, Nuclear engineering, design, 7. Clean energy, 01 natural sciences, negative ion source, 010305 fluids & plasmas, law.invention, ITER neutral beam injector, ITER neutral beam injectors, Negative ion beam, Negative ion source, law, iter neutral beam injectors, 0103 physical sciences, General Materials Science, 010306 general physics, Civil and Structural Engineering, Dummy load, Magnetic filter, negative ion beam, Mechanical Engineering, Injector, Beam optics, Power (physics), Nuclear Energy and Engineering, Environmental science, Beam (structure), Voltage
Abstract: To reach fusion conditions and control the plasma configuration in ITER, the next step in tokamak fusion research, two neutral beam injectors (NBIs) will supply 16.5 MW each, by neutralizing accelerated negative hydrogen or deuterium ions. The requirements of ITER NBIs (40A/1 MeV D- ions for ≤1 h, 46A/870 keV H- ions for ≤1000 s) have never been simultaneously attained. So in the Neutral Beam Test Facility (NBTF, Consorzio RFX, Italy) the operation of the full-scale ITER NBI prototype (MITICA) will be tested and optimised up to full performances, focussing on accelerator (including voltage holding), beam optics, neutralisation, residual ion removal. The NBTF includes also the full-scale prototype of the ITER NBI source with 100 keV particle energy (SPIDER), for early investigation of: negative ion production and extraction, source uniformity, negative ion current density and beam optics. This paper will describe the main results of the first two years of SPIDER operation, devoted to characterizing plasma and beam parameters, including investigation of RF-plasma coupling efficiency and magnetic filter field effectiveness in reducing co-extracted electrons. SPIDER is progressing towards the first caesium injection, which aims at increasing the negative ion density. A major shutdown, planned for 2021, to solve the issues identified during the operation and to carry out programmed modifications, will be outlined. The installation of each MITICA power supply and auxiliary system is completed; in-vessel mechanical components are under procurement by Fusion for Energy (F4E). Integration, commissioning and test of the power supplies, procured by F4E and QST, as the Japanese Domestic Agency (JADA), will be presented. In particular, 1.0MV insulating tests were carried out step-by-step and successfully completed. In 2020 integrated tests of the power supplies on the accelerator dummy load started, including the assessment of their resilience to accelerator grid breakdowns using a short-circuit device located in vacuum. The aggressive programme, to validate the NBI design at NBTF and to meet ITER schedule (requiring NBIs in operation in 2032), will be outlined. Unfortunately, in 2020 the coronavirus disease infection affected the NBTF activities. A solution to proceed with integrated power tests despite the coronavirus is presented.
Published: 2021
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9. Ceramic coatings for arc prevention between plasma facing components

Author: Simone Peruzzo, R. Cavazzana, L. Cordaro, M. Spolaore, M. Pavei, G. Berton, and Matteo Zuin
Subjects: Materials science, chemistry.chemical_element, Atmospheric-pressure plasma, Dielectric, Plasma, Copper, Weakly ionized plasma, law.invention, Capacitor, chemistry, law, visual_art, visual_art.visual_art_medium, Reversed Field Pinch magnetic configuration, Vacuum chamber, Ceramic, Composite material, Electrical insulation in plasma, RFX-mod2, Voltage, Alumina coating
Abstract: The design of the RFX-mod2 fusion experimental device requires a 3 mm copper shell close to the plasma to achieve improved plasma confinement properties. Such conductive structure, located around the plasma and aimed to passively stabilize the plasma, shall have an electrical discontinu-ity in both the poloidal and toroidal directions, in order to allow the penetration of electromagnetic fields into the plasma region. These gaps avoid the formation of net poloidal and toroidal eddy cur-rents during transient phases of the plasma confinement experiment. Moreover, the shell has been designed with an overlapping region at the poloidal gap in order to reduce the induced field errors. During operations in Reversed Field Pinch magnetic configuration, the loop voltage, that is the externally induced electromotive force sustaining the plasma current, can reach values up to 400 V. These values can rapidly step up to 1.5 kV during fast plasma current terminations. Therefore, intense electric fields can generate between the shell flaps, only a few millimetres apart, along the overlapping region. Furthermore, taking into account that the stabilizing shell, being located inside the vacuum chamber, is exposed to low temperature plasma, the formation probability of harmful electric arcs is high. In order to avoid arc formation, different kind of insulation coating on the copper, able to with-stand the applied electric fields in the presence of plasma, are under investigation. The electrical insulation performances of ceramic coating on a copper samples are investigated. Several deposition methods have been evaluated, including magnetron sputtering, atmospheric plasma spray and detonation gun spray, which differ in the adhesion to the substrate, compact-ness, porosity and mechanical strength of the deposited material. The last two methods have the advantage of being conducted in air at atmospheric pressure, without the aid of complex vacuum systems. In order to validate the process, an experimental apparatus was prepared in laboratory, aimed to reproduce the expected conditions at the shell gap. It consists of a vacuum chamber in which a helium plasma was generated by means of a hot tungsten filament and a DC power supply. A bias voltage was applied between a copper plate and a cylindrical electrode (Ø 4 mm). The plate side facing the electrode was covered with alumina. The two electrodes were floating and biased by a small capacitor bank (0.3÷2 ?F). The voltage on the electrodes was applied for 200ms, with a repetition rate of 1Hz. In this contribution, the experimental results, aiming to study the conditions for the arc formation in presence of weakly ionized plasma (ne ~ 1016 m-3), are presented. In particular, voltage pulses up to 2.7 kV were applied, with a background gas pressure between 10-3 and 10 mbar. Further-more, the electrodes were kept both in contact and spaced up to 5 mm. Furthermore, the results of similar experiments performed on a mini mock-up, simulating the RFX-mod2 overlapping shell, are presented.
Published: 2021

10. Demandas de décadas da Enfermagem se sobressaem no enfrentamento à Pandemia COVID-19

Author: Simone Peruzzo
Subjects: Marketing, Economics and Econometrics, Disappointment, Coping (psychology), General Chemical Engineering, media_common.quotation_subject, Ignorance, Social practice, Nursing, Feeling, medicine, General Materials Science, medicine.symptom, Psychology, Personal protection equipment, media_common
Abstract: O enfrentamento da pandemia de COVID 19 está expondo de forma excepcional as demandas históricas da Enfermagem em relação às más condições de trabalho, a falta qualiquantitativa dos Equipamentos de Proteção Individual e o subdimensionamento da equipe de enfermagem Entre outras lutas defendidas pelas organizações da profissão, que aguardam há mais de duas décadas, a devida aprovação de Projetos de Lei pelo congresso nacional O que pensar quando determinada autoridade afirma que nossas reivindicações não podem ser atendidas porque somos muitos, se comparados ao quantitativo de outras profissões? Sentimentos como decepção, desvalorização, insensatez, incoerência, discriminação e o desconhecimento da natureza da nossa profissão, colaboram para a incredulidade É hora de a sociedade apoiar a categoria perante esses desafios, reconhecendo a especificidade da profissão e o protagonismo que a Enfermagem exerce, oferecendo a ela condições de consolidar a prática social com qualidade e segurança
Published: 2020
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11. Detailed design of the RFX-mod2 machine load assembly

Author: Piergiorgio Sonato, Andrea Rizzolo, Roberto Cavazzana, Samuele Dal Bello, M. Siragusa, Simone Peruzzo, F. Rossetto, Eleonora Perin, Marco Bernardi, L. Trevisan, Diego Ruaro, R. Piovan, Luca Grando, and Mauro Dalla Palma
Subjects: Plasma-facing high heat flux components, Tokamak, Toroid, Computer science, Mechanical Engineering, Magnetic confinement fusion, Mechanical engineering, Torus, 01 natural sciences, 010305 fluids & plasmas, law.invention, Upgrade, Nuclear Energy and Engineering, law, First wall technology, Vacuum vessel, Civil and Structural Engineering, Materials Science (all), 0103 physical sciences, Compatibility (mechanics), General Materials Science, 010306 general physics, Electrical conductor, Implementation
Abstract: An upgrade of the RFX-mod experiment is presently in the final design phase, aimed at widening the explored operational scenarios both in RFP and Tokamak configuration. The main design driver for this machine upgrade is the enhancement of the ‘shell-plasma proximity’, which is expected to provide a significant improvement in the plasma magnetic confinement. The achievement of this aim implies a major change of the internal components of the machine such as the removal of the present vacuum vessel, transferring the function of vacuum barrier to the duly modified toroidal support structure, and the integration of a new in-vessel support system to sustain the conductive stabilizing shell and the whole first wall. The paper presents an overview of the design choices and the proposed implementations, assessed on the base of engineering analyses and results of experimental tests performed on mock-ups of the new components. The solutions conceived to fulfill vacuum and electrical requirements of the in-vessel components, to guarantee their reliability during normal and abnormal operating conditions events, and interface compatibility with existing components and torus assembly sequence are finally highlighted.
Published: 2018
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12. Design of the new supporting structure for the passive stabilizing shell assembly of RFX-mod2

Author: Martina Bernardi, Simone Peruzzo, Diego Marcuzzi, M. Dalla Palma, M. Pavei, and G. Berton
Subjects: Toroid, Tokamak, Computer science, Mechanical Engineering, Structure (category theory), Shell (structure), Magnetic confinement fusion, Control reconfiguration, Mechanical engineering, 01 natural sciences, Finite element method, 010305 fluids & plasmas, law.invention, High-performance polymer, Upgrade, Nuclear Energy and Engineering, law, Thermo-mechanical design, 0103 physical sciences, General Materials Science, 010306 general physics, RFX-mod2, Civil and Structural Engineering
Abstract: An upgrade of RFX-mod toroidal machine assembly is under development, aimed at widening the explored operational scenarios both in RFP and Tokamak configuration. The main design driver for this machine upgrade, named RFX-mod2, is the enhancement of the ‘shell-plasma proximity’, which is expected to provide a significant improvement in the plasma magnetic confinement. In order to achieve this goal, the existing Passive Stabilizing Shell will be adapted in order to be enclosed in the new vacuum vessel. This reconfiguration of the internal components of the experiment requires the design of a new structure aimed at supporting both the shell and the plasma facing components. The paper describes the design aspects of the shell assembly, with particular focus on the thermo-mechanical FEM analyses performed to verify the design of the components at the expected operating conditions.
Published: 2021
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13. Vacuum boundary modifications of the RFX-mod machine

Author: Nisarg Patel, Piergiorgio Sonato, Samuele Dal Bello, Luca Grando, Mauro Dalla Palma, and Simone Peruzzo
Subjects: Materials science, Ceramic-metal brazing, Stabilising shell, Thermo-mechanical design, Vacuum seal, Civil and Structural Engineering, Materials Science (all), Nuclear Energy and Engineering, Mechanical Engineering, Shell (structure), Mechanical engineering, Welding, 01 natural sciences, 010305 fluids & plasmas, law.invention, Cross section (physics), Physics::Plasma Physics, law, 0103 physical sciences, Torque, General Materials Science, 010306 general physics, Resistive touchscreen, Toroid, Torus, Plasma
Abstract: The results produced by experimental campaigns of RFX-mod shows the need to improve passive MHD control and minimise braking torque on plasma. These improvements require major mechanical changes on the present components of the machine including first wall, vacuum vessel, and toroidal support structure (TSS). The vacuum vessel will be removed and the first wall tiles will be directly supported by the passive stabilising shell, so increasing the poloidal cross section by 28 mm radially and bringing the passive stabilising shell as close as possible to the plasma boundary. This paper presents the mechanical design modifications of the torus assembly. Composite rings are designed to support the passive stabilising shell on the TSS. The vacuum boundary is shifted at the TSS by developing different joint solutions compatible with the stringent requirements of the present components: ceramic-metal brazed rings at the two poloidal joints, fully welded solution at the external equatorial joint, and resistive weld plate at the internal equatorial joint. The vacuum vessel portholes for pumping, fuelling, diagnostics, and sensor cable routing are redesigned to be integrated onto the TSS. The design is supported by thermo-mechanical analyses and verifications carried out applying load combinations corresponding to the expected load cases.
Published: 2016
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14. Progress in the Design and Testing of In-Vessel Magnetic Pickup Coils for ITER

Author: M. Brombin, I. Duran, Z. Lahodova, Andrea Rizzolo, Y. Ma, Simone Peruzzo, W. Gonzalez, Nicolò Marconato, S. Arshad, George Vayakis, A. Suarez, M. Furno Palumbo, and Ladislav Viererbl
Subjects: Nuclear and High Energy Physics, Materials science, Nuclear engineering, Low frequency, 010403 inorganic & nuclear chemistry, 01 natural sciences, Temperature measurement, 010305 fluids & plasmas, mineral insulated cable (MIC), Reliability (semiconductor), Low-temperature cofired ceramic (LTCC), 0103 physical sciences, Pickup, Ceramic, business.industry, magnetic diagnostics, Condensed Matter Physics, Electrical engineering, 0104 chemical sciences, Magnetic field, Transducer, Electromagnetic coil, visual_art, visual_art.visual_art_medium, business
Abstract: This paper presents the results of the R&D activities recently performed to achieve the preliminary design of electromagnetic transducers for in-vessel local magnetic field measurements at low frequency (
Published: 2016
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15. Design of the RFX-mod2 first wall

Author: Roberto Cavazzana, M. Siragusa, G. Berton, Alessandra Canton, Monica Spolaore, G. Gambetta, Paolo Innocente, Mauro Dalla Palma, Simone Peruzzo, and Silvia Spagnolo
Subjects: Materials science, Thermal diffusivity, 01 natural sciences, 010305 fluids & plasmas, Stress (mechanics), remote handling compatibility, Thermal conductivity, Drucker-Prager criterion, Remote maintenance compatibility, 0103 physical sciences, Ultimate tensile strength, Polycrystalline graphite, General Materials Science, Graphite, high heat flux, Composite material, 010306 general physics, Civil and Structural Engineering, Extruded graphite, Reversed field pinch, Mechanical Engineering, Plasma-Wall interaction, Grain size, Compressive strength, Nuclear Energy and Engineering
Abstract: RFX-mod2 is the last upgrade of the reversed field pinch machine operated at Consorzio RFX. A significant modification consists of the replacement of the first wall tiles, proposed as a key factor for the improvement of the gas density with the reduction of the hydrogen retention, and designed in coherence with the magnetic front-end modification that foresees the tiles supported by the existing MHD passive stabilising shell. The main choices in the design of the new first wall tiles are the polycrystalline graphite as bulk material, the use of the existing fixing keys with fastening bayonets, and the tile width that shall be less than the diameter of the larger port holes to allow remote handling operations for the maintenance of the first wall; the latter fix the number of tiles to 2016 as in the original configuration. The expected decrease of the plasma-wall interaction determined the first wall design with expected power densities up to 50 MW/m2 considering the deformation of the last magnetic surface in both reversed field pinch and tokamak configurations. At the other side, the need of sensor integration and shielding of the passive stabilising shell from the plasma addressed the tile thickness and surface extension. Local prominences have been modelled on tiles, based on visual inspections of actual surfaces after previous operations, in order to limit the plasma in regions far from openings and supporting structures. The tile resistant section has been increased coherently with all the interfaces and constraints, so decreasing the maximum stress at 3.5 MPa calculated from finite element analysis that simulates the operating condition. This low stress level together with a measurement of the experimental loads during next RFX-mod2 operations could qualify the use of extruded graphite for a further first wall change in the future. Indeed, extruded graphite is considered attractive given its high directional thermal diffusivity (about 50% better then polycrystalline graphite) to enhance the heat transmission and so improving the gas density control, and the low stress induced may allow this mechanically less performing grade of graphite.
Published: 2020
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16. Comparison of approaches to the electromagnetic analysis of COMPASS-U vacuum vessel during fast transients

Author: J. Hromadka, M. Teschke, Shiyong Chen, A. Herrmann, Simone Peruzzo, Radomir Panek, V. Yanovskiy, Martin Imrisek, Domenico Abate, D. Sestak, V.D. Pustovitov, Martin Hron, G. Pautasso, Roberto Paccagnella, Fabio Villone, Paolo Bettini, Josef Havlicek, N. Isernia, I. Zammuto, Matthias Komm, and COMPASS Team
Subjects: Physics, CarMa0NL, Tokamak, Distribution (number theory), Mechanical Engineering, COMPASS-U, Mechanics, Poloidal current, 01 natural sciences, Disruption, Electromagnetic loads, Vacuum vessel, 010305 fluids & plasmas, law.invention, Nuclear Energy and Engineering, Physics::Plasma Physics, law, Compass, 0103 physical sciences, Eddy current, General Materials Science, 010306 general physics, Civil and Structural Engineering
Abstract: The poloidal distribution of electromagnetic loads during fast transients in the vacuum vessel of COMPASS-U tokamak is calculated analytically. The estimates are then compared with CarMa0NL numerical simulations. The results show that the poloidal eddy currents in the vacuum vessel must be taken into account for the proper evaluation of disruption forces in the COMPASS-U tokamak.
Published: 2019
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17. Technological challenges for the design of the RFX-mod2 experiment

Author: D. Rizzetto, Luca Grando, Roberto Cavazzana, G. Berton, Marco Bernardi, Diego Marcuzzi, Marco Utili, M. Siragusa, Simone Peruzzo, L. Trevisan, S. Dal Bello, Andrea Rizzolo, F. Rossetto, M. Spolaore, M. Iafrati, M. Dalla Palma, and Matteo Zuin
Subjects: l Vacuum sealing, Computer science, Interface (Java), Mechanical Engineering, Control reconfiguration, 01 natural sciences, 010305 fluids & plasmas, Nuclear Energy and Engineering, Detonation gun sprayed coatings, 0103 physical sciences, Systems engineering, General Materials Science, Vacuum vesse, 010306 general physics, Implementation, Civil and Structural Engineering
Abstract: The design of RFX-mod2 experiment implies a major change and reconfiguration of the internal components of the present machine assembly. Critical aspects of the design regard the technical solutions needed to fulfil geometrical, vacuum and electrical requirements imposed by interface with existing components and by specific operating conditions. The paper presents an overview of the design choices and the proposed implementations, assessed by means of engineering analyses and experimental tests performed on mock-ups of the new components.
Published: 2019
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18. Progress in the ITER neutral beam test facility

Author: Piergiorgio Sonato, Hitesh Patel, A. Sottocornola, Veena Gupta, B. Raval, G. Rostagni, M. Spolaore, M. Fadone, A. Patel, Andrea Rizzolo, G. Gambetta, M. Recchia, Francesco Gnesotto, M. Brombin, Roberto Pasqualotto, M. Zaupa, J.F. Moreno, Giuseppe Marchiori, W. Kraus, P. Tinti, G. Serianni, G. Kouzmenko, Gabriele Manduchi, V. Antoni, A. Zamengo, F. Paolucci, Giuseppe Chitarin, M. Battistella, Tullio Bonicelli, C. Labate, V. Pilard, H. Decamps, C. Taliercio, Matteo Agostini, R. Piovan, G. Agarici, Mieko Kashiwagi, E. Ocello, Roberto Cavazzana, D. Boilson, Vanni Toigo, Barbara Zaniol, Marco Cavenago, F. Geli, A. De Lorenzi, M. Dremel, M. De Muri, Kazuhiro Watanabe, Nicola Pilan, Marco D’Arienzo, B. Schunke, M. Urbani, P. Jain, Namita Singh, T. Patton, A. Tonti, R. Delogu, N. Pomaro, A. Rousseau, F. Gasparini, T. Maejima, Naotaka Umeda, Ursel Fantz, H. Dhola, Marco Barbisan, C. Rotti, Lennart Svensson, M. Valente, Simone Peruzzo, G. Gomez, Elena Gaio, D. Aprile, Bernd Heinemann, Hiroyuki Tobari, Pierluigi Veltri, S. Manfrin, M. Siragusa, Muriel Simon, Luca Grando, Ujjwal Baruah, Silvia Spagnolo, F. Panin, A. Muraro, A.K. Chakraborty, A. Fiorentin, Adriano Luchetta, P. Zaccaria, G. Mico, A. Maistrello, C. Poggi, A. Masiello, M. Bigi, Diego Marcuzzi, Atsushi Kojima, S. Ochoa, P. Blatchford, Gabriele Croci, Y. Xue, A. Pimazzoni, Piero Agostinetti, E. Spada, Daniel Gutierrez, Marica Rebai, B. Chuilon, M. Dan, M. Moresco, L. Zanotto, A. Garbuglia, S. Denizeau, J. Chareyre, S. Hanke, M. Pavei, Sandro Sandri, L. Bailly-Maitre, M. Ugoletti, Emanuele Sartori, Nicolò Marconato, Giuseppe Gorini, M. Dalla Palma, J. Graceffa, M. Boldrin, S. Sasaki, Alberto Ferro, F. Fellin, S. Dal Bello, M. Tardocchi, E. Bragulat, Toigo, V, Dal Bello, S, Bigi, M, Boldrin, M, Chitarin, G, Grando, L, Luchetta, A, Marcuzzi, D, Pasqualotto, R, Pomaro, N, Serianni, G, Zaccaria, P, Zanotto, L, Agostinetti, P, Agostini, M, Antoni, V, Aprile, D, Barbisan, M, Battistella, M, Brombin, M, Cavazzana, R, Dalla Palma, M, Dan, M, Denizeau, S, De Lorenzi, A, Delogu, R, De Muri, M, Fadone, M, Fellin, F, Ferro, A, Fiorentin, A, Gaio, E, Gambetta, G, Gasparini, F, Gnesotto, F, Jain, P, Maistrello, A, Manduchi, G, Manfrin, S, Marchiori, G, Marconato, N, Moresco, M, Ocello, E, Patton, T, Pavei, M, Peruzzo, S, Pilan, N, Pimazzoni, A, Piovan, R, Poggi, C, Recchia, M, Rizzolo, A, Rostagni, G, Sartori, E, Siragusa, M, Sonato, P, Sottocornola, A, Spada, E, Spagnolo, S, Spolaore, M, Taliercio, C, Tinti, P, Ugoletti, M, Valente, M, Zamengo, A, Zaniol, B, Zaupa, M, Boilson, D, Rotti, C, Veltri, P, Chareyre, J, Decamps, H, Dremel, M, Graceffa, J, Geli, F, Schunke, B, Svensson, L, Urbani, M, Bonicelli, T, Agarici, G, Garbuglia, A, Masiello, A, Paolucci, F, Simon, M, Bailly-Maitre, L, Bragulat, E, Gomez, G, Gutierrez, D, Labate, C, Mico, G, Moreno, J, Pilard, V, Kouzmenko, G, Rousseau, A, Kashiwagi, M, Tobari, H, Watanabe, K, Maejima, T, Kojima, A, Umeda, N, Sasaki, S, Chakraborty, A, Baruah, U, Patel, H, Singh, N, Patel, A, Dhola, H, Raval, B, Gupta, V, Fantz, U, Heinemann, B, Kraus, W, Cavenago, M, Hanke, S, Ochoa, S, Blatchford, P, Chuilon, B, Xue, Y, Croci, G, Gorini, G, Muraro, A, Rebai, M, Tardocchi, M, D'Arienzo, M, Sandri, S, Tonti, A, Panin, F, Toigo, V., Dal Bello, S., Bigi, M., Boldrin, M., Chitarin, G., Grando, L., Luchetta, A., Marcuzzi, D., Pasqualotto, R., Pomaro, N., Serianni, G., Zaccaria, P., Zanotto, L., Agostinetti, P., Agostini, M., Antoni, V., Aprile, D., Barbisan, M., Battistella, M., Brombin, M., Cavazzana, R., Dalla Palma, M., Dan, M., Denizeau, S., De Lorenzi, A., Delogu, R., De Muri, M., Fadone, M., Fellin, F., Ferro, A., Fiorentin, A., Gaio, E., Gambetta, G., Gasparini, F., Gnesotto, F., Jain, P., Maistrello, A., Manduchi, G., Manfrin, S., Marchiori, G., Marconato, N., Moresco, M., Ocello, E., Patton, T., Pavei, M., Peruzzo, S., Pilan, N., Pimazzoni, A., Piovan, R., Poggi, C., Recchia, M., Rizzolo, A., Rostagni, G., Sartori, E., Siragusa, M., Sonato, P., Sottocornola, A., Spada, E., Spagnolo, S., Spolaore, M., Taliercio, C., Tinti, P., Ugoletti, M., Valente, M., Zamengo, A., Zaniol, B., Zaupa, M., Boilson, D., Rotti, C., Veltri, P., Chareyre, J., Decamps, H., Dremel, M., Graceffa, J., Geli, F., Schunke, B., Svensson, L., Urbani, M., Bonicelli, T., Agarici, G., Garbuglia, A., Masiello, A., Paolucci, F., Simon, M., Bailly-Maitre, L., Bragulat, E., Gomez, G., Gutierrez, D., Labate, C., Mico, G., Moreno, J. F., Pilard, V., Kouzmenko, G., Rousseau, A., Kashiwagi, M., Tobari, H., Watanabe, K., Maejima, T., Kojima, A., Umeda, N., Sasaki, S., Chakraborty, A., Baruah, U., Patel, H., Singh, N. P., Patel, A., Dhola, H., Raval, B., Gupta, V., Fantz, U., Heinemann, B., Kraus, W., Cavenago, M., Hanke, S., Ochoa, S., Blatchford, P., Chuilon, B., Xue, Y., Croci, G., Gorini, G., Muraro, A., Rebai, M., Tardocchi, M., D'Arienzo, M., Sandri, S., Tonti, A., and Panin, F.
Subjects: Nuclear and High Energy Physics, Materials science, Test facility, ITER, neutral beam injector, PRIMA: the ITER neutral beam test facility (NBTF), SPIDER, Nuclear engineering, Condensed Matter Physics, 01 natural sciences, 7. Clean energy, 010305 fluids & plasmas, Neutral beam injector, 0103 physical sciences, 010306 general physics, Beam (structure)
Abstract: Heating neutral beam (HNB) injectors, necessary to achieve burning conditions and to control plasma instabilities in ITER, are characterized by such demanding parameters that a neutral beam test facility (NBTF) dedicated to their development and optimization is being realized in Padua (Italy) with direct contributions from the Italian government (through Consorzio RFX as the host entity) and the ITER international organization (with kind contributions from the ITER domestic agencies of Europe, Japan and India) and technical and scientific support from various European laboratories and universities. The NBTF hosts two experiments: SPIDER, devoted to ion source optimization for the required source performance, and MITICA, the full-size prototype of the ITER HNB, with an ion source identical to SPIDER. This paper gives an overview of the progress towards NBTF realization, with particular emphasis on issues discovered during this phase of activity and on solutions adopted to minimize the impact on the schedule and maintain the goals of the facilities. The realization of MITICA is well advanced; operation is expected to start in 2023 due to the long procurement time of the in-vessel mechanical components. The beam source power supplies, operating at 1 MV, are in an advanced phase of realization; all high-voltage components have been installed and the complex insulation test phase began in 2018. At the same time, construction and installation of SPIDER plant systems was successfully completed with their integration into the facility. The mechanical components of the SPIDER ion source were installed inside the vessel and connected to the plants. Integrated commissioning with the control, protection and safety systems ended positively and the first experimental phase has begun. The first results of the SPIDER experiment, with data from operational diagnostics, and the plans for the 1 MV insulation tests on the MITICA high-voltage components are presented.
Published: 2019
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19. Design of the new electromagnetic measurement system for RFX-mod upgrade

Author: N. Pomaro, Paolo Bettini, Luca Grando, Simone Peruzzo, L. Marrelli, Nicolò Marconato, Giuseppe Marchiori, and Roberto Cavazzana
Subjects: Materials science, Tokamak, RFX-mod, MHD, RFP, MHD mode analysis, Magnetic sensors, Shell (structure), Mechanical engineering, 01 natural sciences, 010305 fluids & plasmas, law.invention, Cross section (physics), law, Physics::Plasma Physics, 0103 physical sciences, Torque, General Materials Science, Pickup, 010306 general physics, Civil and Structural Engineering, Toroid, Mechanical Engineering, System of measurement, Upgrade, Nuclear Energy and Engineering, electromagnetic measurement system
Abstract: A major modification of the RFX-mod toroidal load assembly has been decided in order to improve passive MHD control and to minimise the braking torque on the plasma, thus extending the operational space in both RFP and Tokamak configurations. With the removal of the vacuum vessel, the support structure will be modified in order to obtain a new vacuum-tight chamber and the first wall tiles will be directly in front of the passive stabilising shell inside of it, so increasing both the poloidal cross section (by 28 mm radially) and the plasma-shell proximity. This implies the design of a new vacuum fit electromagnetic measurement system. The spatial resolution is constrained by the number of graphite tiles, 28 (poloidal) x 72 (toroidal), which cover the inner surface of the copper shell. The new local probes (of size 42 x 37 x 7 mm) will be installed in vacuum onto the copper shell, behind the graphite tiles, and shall operate up to a maximum temperature of 180°C to allow for baking cycles for first wall conditioning. Because of the reduced room available, triaxial pickup probes have been designed, with the additional advantage of allowing the minimization of alignment errors. The paper describes the detailed design of the new probe set, in particular highlighting the technological issues complying with different functional requirements: the thermo-mechanical interface with the copper shell, their protection, the electrical connection for the transmission of the signal with a minimum level of noise and the choice of materials suitable to the vacuum environment at relatively high temperature. The extensive tests carried out on probe prototypes to characterise their electromagnetic, thermal and vacuum behaviour are also reported.
Published: 2019
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20. Design of embedded electrostatic sensors for the RFX-mod2 device

Author: Roberto Cavazzana, Simone Peruzzo, B. Momo, Nicola Vianello, Nicolò Marconato, M. Bernardi, M. Spolaore, G. De Masi, G. Grenfell, Silvia Spagnolo, Matteo Zuin, Emilio Martines, M. Dalla Palma, Spagnolo, S, Spolaore, M, Bernardi, M, Cavazzana, R, Peruzzo, S, Dalla Palma, M, De Masi, G, Grenfell, G, Marconato, N, Martines, E, Momo, B, Vianello, N, and Zuin, M
Subjects: Tokamak, Plasma diagnostic, probe, 01 natural sciences, Plasma diagnostics, 030218 nuclear medicine & medical imaging, law.invention, 03 medical and health sciences, symbols.namesake, 0302 clinical medicine, Optics, law, 0103 physical sciences, Langmuir probe, Instrumentation, Mathematical Physics, Physics, Toroid, 010308 nuclear & particles physics, business.industry, Plasma, Analysis and statistical methods, probes, Electrostatics, Magnetic Confinement Fusion, Pinch, symbols, Plasma diagnostics - probes, Electric potential, business, Analysis and statistical method
Abstract: RFX-mod experiment is currently under a challenging upgrade of the machine assembly. One of the main purpose of RFX-mod2, the upgraded device, is the achievement of better performances by decreasing the tearing modes amplitude in Reversed-Field Pinch (RFP) configuration thanks to a higher plasma-shell proximity [1, 2]. Moreover, most of the innovations characterizing the device and its diagnostics are conceived with the aim to operate in both RFP and tokamak configurations. This attention on the different configurations is taken into account in the electrostatic sensors design and layout. RFX-mod2 will be equipped with poloidal and toroidal arrays of electrostatic sensors, measuring plasma density and temperature, plasma potential, particle and energy fluxes and floating potential fluctuations. Two toroidal arrays of 72 sensors each (one on the high field side and one on the low field side) are foreseen. Moreover, four poloidal arrays of 28 elements will be housed. A such large amount of sensors is due to the requirement of a better characterization of the numerous instabilities observed in RFP plasma edge, along with the possibility to study the plasma shape in different tokamak configurations (circular, single null, double null). Two different kinds of Langmuir probes configurations will be installed: the so-called single probe and 5-pin balanced triple probe. The conceptual design of the sensors takes inspiration from the model successfully installed on RFX-mod [3], that allows to remove tiles in case of damage, by means of a remote handling manipulator. Each sensor is composed by two parts: the tile side houses pins directly faced to the plasma and connected by springs to the shell side, where specific contacts, conveniently isolated, carry the signals to the cables.
Published: 2019
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21. Start of SPIDER operation towards ITER neutral beams

Author: S. Dal Bello, M. Siragusa, A. Zamengo, Alberto Ferro, V. Antoni, Gianluigi Serianni, Adriano Luchetta, S. Denizeau, Simone Peruzzo, Vanni Toigo, Elena Gaio, D. Aprile, A. Maistrello, M. De Muri, C. Poggi, D. Boilson, Matteo Agostini, R. Piovan, Nicolò Marconato, P. Zaccaria, Piergiorgio Sonato, M. Valente, C. Taliercio, Silvia Spagnolo, M. Bigi, A. Pimazzoni, D. Marcuzzi, Piero Agostinetti, M. Pavei, M. Cavenago, M. Dan, M. Moresco, Emanuele Sartori, Giuseppe Marchiori, M. Battistella, Hitesh Patel, M. Ugoletti, L. Ferbel, W. Kraus, A. Chakraborty, F. Fellin, Andrea Rizzolo, A. De Lorenzi, P. Jain, L. Zanotto, P. Tinti, M. Dalla Palma, M. Spolaore, N. Pomaro, Francesco Gnesotto, Tullio Bonicelli, G. Gambetta, Namita Singh, T. Patton, F. Gasparini, Ursel Fantz, Bernd Heinemann, Giuseppe Chitarin, G. Rostagni, M. Boldrin, Roberto Cavazzana, C. Rotti, Nicola Pilan, S. Manfrin, M. Brombin, M. Zaupa, Gabriele Manduchi, M. Fadone, M. Recchia, Pierluigi Veltri, Marco Barbisan, C. Baltador, Luca Grando, Barbara Zaniol, R. Delogu, and Roberto Pasqualotto
Subjects: 010302 applied physics, Spider, Materials science, Test facility, Nuclear engineering, Phase (waves), Plasma, 01 natural sciences, SPIDER, 010305 fluids & plasmas, Ion, Extractor, ITER, 0103 physical sciences, Beam (structure)
Abstract: In June 2018 the SPIDER device, which is the full-size prototype of the negative ion source and extractor for the ITER Heating Neutral Beam has entered the first operation phase at the Neutral Beam Test Facility (NBTF) in Padova, Italy. This paper describes the present status of the device, the experimental plans and the results obtained during the first experimental campaign of the radio-frequency driven plasma source.
Published: 2018

22. Design constraints on new vacuum components of RFX-mod2 upgrade using electrical modeling of reversed field pinch plasma

Author: Monica Spolaore, Matteo Zuin, Simone Peruzzo, Lionello Marrelli, Francesco Gnesotto, Laura Marsango, Emilio Martines, Roberto Cavazzana, Cavazzana, R, Marsango, L, Peruzzo, S, Zuin, M, Gnesotto, F, Marrelli, L, Spolaore, M, and Martines, E
Subjects: Tokamak, Materials science, Arc formation, Reversed field pinch, Mechanical Engineering, Divertor, Mechanics, Plasma, Halo current, Civil and Structural Engineering, Nuclear Energy and Engineering, Materials Science (all), 01 natural sciences, Arc suppression, 010305 fluids & plasmas, law.invention, law, 0103 physical sciences, Limiter, General Materials Science, Electric potential, 010306 general physics, Voltage
Abstract: The externally applied loop voltage, required to drive current carrying magnetic configurations, such as tokamaks or reversed field pinches (RFP), can induce currents between the plasma and the surrounding conducting components, such as limiters, divertor sections, stabilizing plates or enclosing stabilizing shells with insulated electrical gaps. An appropriate modeling of this problem can quantify these currents and give constraints for the design of new devices. In this paper a methodology based on lumped element circuit is used to evaluate this problem for the case of in vessel components of the RFX-mod2, which led to a redesign of the electrical connections of plasma facing components. In the new design some parts, having applied potential in the kV range, are still exposed to the weakly ionized scrape off plasma. The process of arc formation between them and their prevention had been experimentally investigated and possible arc suppression strategies identified.
Published: 2018
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23. Prototyping and testing of the Continuous External Rogowski ITER magnetic sensor

Author: J.B. Lister, F. Saint-Laurent, Ph. Moreau, P. Marmillod, P. Spuig, Juan Knaster, Duccio Testa, S. Hughes, P. Pastor, Simone Peruzzo, P. Malard, George Vayakis, M. Toussaint, A. Le-Luyer, and K.M. Patel
Subjects: Nuclear Energy and Engineering, Computer science, ITER, Mechanical Engineering, Toroidal field, Nuclear engineering, General Materials Science, Inductive sensor, Magnetic diagnostics, Rogowski coil, Civil and Structural Engineering, Plasma current
Abstract: The measurement of the plasma current in ITER plays an outstanding role as it is part of the machine protection and is a safety-relevant measurement: it will be used in relation with regulatory limits to show that the operation remains within the safe envelope defined in the ITER license. The Continuous External Rogowski (CER) is an inductive sensor designed for current measurements and located in the casing of 3 Toroidal Field Coils (TFCs). After the completion of the design of the CER, 4 prototypes of the sensor were manufactured and R&D activities were performed under a Grant with the European Domestic Agency (F4E-GRT-012). The work was carried out between 2010 and 2011 by the ITERMAG consortium comprising 3 laboratories: CRPP (Switzerland) as leader, CEA (France) and RFX (Italy). The R&D campaign on CER prototypes consisted in the measurement of about 100 parameters to characterize the CER in terms of electrical, thermal, mechanical and also of vacuum compatibility. From these results, electromagnetic modeling of the CER response was performed. It is demonstrated that the CER fulfills ITER requirements. However, the vacuum compatibility of the prototype has to be improved and solutions to cope with this issue are proposed. (C) 2013 Elsevier B.V. All rights reserved.
Published: 2013
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24. A substantial step forward in the realization of the ITER HNB system: The ITER NBI Test Facility

Author: A. Fiorentin, Silvia Spagnolo, E. Spada, Daniel Gutierrez, B. Chuilon, Pierluigi Veltri, M. Recchia, J. Chareyre, Lennart Svensson, M. De Muri, F. Fellin, C. Rotti, R. S. Hemsworth, A. Muraro, J.F. Moreno, Gianluigi Serianni, Adriano Luchetta, A. Maistrello, Muriel Simon, G. Gambetta, Alberto Ferro, Giuseppe Chitarin, W. Kraus, Gabriele Manduchi, F. Paolucci, M. Battistella, H. Decamps, L. Zanotto, Y. Xue, C. Taliercio, E. Ocello, V. Pilard, H.P.L. de Esch, J. Graceffa, Bernd Heinemann, Marco Cavenago, M.V. Nagaraju, P. Zaccaria, S. Hanke, M. Boldrin, M. Spolaore, Diego Marcuzzi, Atsushi Kojima, M. Pavei, Sandro Sandri, P. Jain, M. Siragusa, Marco D’Arienzo, Francesco Gnesotto, M. Bigi, S. Ochoa, A.K. Chakraborty, M. Urbani, N. Pomaro, Gabriele Croci, A. Pimazzoni, Tullio Bonicelli, S. Dal Bello, C. Baltador, G. Gomez, Volker Hauer, A. Sottocornola, A. Zamengo, M. Valente, Hiroyuki Tobari, Matteo Agostini, R. Piovan, Hitesh Patel, Vanni Toigo, Andrea Rizzolo, G. Mico, B. Raval, H. Yamanaka, A. Masiello, B. Schunke, Simone Peruzzo, A. De Lorenzi, Elena Gaio, D. Aprile, E. Bragulat, Nicolò Marconato, Giuseppe Gorini, M. Kushwah, P. Blatchford, Piero Agostinetti, Marica Rebai, T. Maeshima, M. Dalla Palma, M. Moresco, Masaya Hanada, Kazuhiro Watanabe, L. Bailly-Maitre, Nicola Pilan, Emanuele Sartori, Naotaka Umeda, M. Brombin, M. Zaupa, Piergiorgio Sonato, C. Finotti, A. Patel, V. Antoni, D. Boilson, H. Dhola, M. J. Singh, Roberto Pasqualotto, Marco Barbisan, Luca Grando, G. Agarici, Mieko Kashiwagi, Barbara Zaniol, Namita Singh, Ursel Fantz, R. Delogu, G. Rostagni, Ujjwal Baruah, Toigo, V, Piovan, R, Dal Bello, S, Gaio, E, Luchetta, A, Pasqualotto, R, Zaccaria, P, Bigi, M, Chitarin, G, Marcuzzi, D, Pomaro, N, Serianni, G, Agostinetti, P, Agostini, M, Antoni, V, Aprile, D, Baltador, C, Barbisan, M, Battistella, M, Boldrin, M, Brombin, M, Dalla Palma, M, De Lorenzi, A, Delogu, R, De Muri, M, Fellin, F, Ferro, A, Finotti, C, Fiorentin, A, Gambetta, G, Gnesotto, F, Grando, L, Jain, P, Maistrello, A, Manduchi, G, Marconato, N, Moresco, M, Ocello, E, Pavei, M, Peruzzo, S, Pilan, N, Pimazzoni, A, Recchia, M, Rizzolo, A, Rostagni, G, Sartori, E, Siragusa, M, Sonato, P, Sottocornola, A, Spada, E, Spagnolo, S, Spolaore, M, Taliercio, C, Valente, M, Veltri, P, Zamengo, A, Zaniol, B, Zanotto, L, Zaupa, M, Boilson, D, Graceffa, J, Svensson, L, Schunke, B, Decamps, H, Urbani, M, Kushwah, M, Chareyre, J, Singh, M, Bonicelli, T, Agarici, G, Masiello, A, Paolucci, F, Simon, M, Bailly Maitre, L, Bragulat, E, Gomez, G, Gutierrez, D, Mico, G, Moreno, J, Pilard, V, Kashiwagi, M, Hanada, M, Tobari, H, Watanabe, K, Maeshima, T, Kojima, A, Umeda, N, Yamanaka, H, Chakraborty, A, Baruah, U, Rotti, C, Patel, H, Nagaraju, M, Singh, N, Patel, A, Dhola, H, Raval, B, Fantz, U, Heinemann, B, Kraus, W, Hanke, S, Hauer, V, Ochoa, S, Blatchford, P, Chuilon, B, Xue, Y, De Esch, H, Hemsworth, R, Croci, G, Gorini, G, Rebai, M, Muraro, A, Cavenago, M, D'Arienzo, M, and Sandri, S
Subjects: Computer science, Nuclear engineering, NBI, PRIMA, PRIMA: the ITER Neutral Beam Test Facility (NBTF), neutral beam injector, 01 natural sciences, 010305 fluids & plasmas, law.invention, ITER, Heating Neutral Beam Injector (HNB), PRIMA: the ITER Neutral Beam Test Facility (NBTF), SPIDER, MITICA, law, ITER, 0103 physical sciences, NBTF, General Materials Science, Spider, 010306 general physics, Civil and Structural Engineering, Test facility, Mitica, Mechanical Engineering, neutral beam test facility, Injector, Heating Neutral Beam Injector (HNB), Nuclear Energy and Engineering, Materials Science (all), Realization (systems), Beam (structure)
Abstract: The realization of the ITER Neutral Beam Test Facility (NBTF) and the start the experimental phase are important tasks of the fusion roadmap, since the target requirements of injecting to the plasma a beam of Deuterium atoms with a power up to 16.5 MW, at 1MeV of energy and with a pulse length up to 3600s have never been reached together before. The ITER NBTF, called PRIMA (Padova Research on ITER Megavolt Accelerator), is hosted in Padova, Italy; it includes two experiments: MITICA, the full-scale prototype of the ITER injector and SPIDER, the full-size negative ion source. The realization promoted by the ITER organization is carried out with the contribution of the European Union, channeled through the Joint Undertaking for ITER (F4E), of the Consorzio RFX which hosts the Test Facility, the Japanese and the Indian ITER Domestic Agencies (JADA and INDA) and several European laboratories, such as IPP-Garching, KIT-Karlsruhe, CCFECulham, CEA-Cadarache. The early start of operation of PRIMA experiments is urgent because sufficient experimental time is necessary to face and solve the issues related to the achievement of the desired performance in time for the ITER operation, requiring NBI since the beginning. Substantial progresses have been recently achieved: the buildings construction, begun in October 2012, has been completed by the end of 2015 and the installation of some components has been started since the end of 2014. The SPIDER realization is well advanced: the installation phase is proceeding in good agreement with the general plan; it is expected to be almost completed by the end of 2016. In parallel, the commissioning of the SPIDER power supply (PS) and auxiliary plant systems is being proceeding. Tests at full power and remote control are planned, including also those addressed to reproduce the grid breakdowns and to test the relevant protections. The design of the MITICA injector components was completed in 2015their procurement is being made through a number of tenders, some of them already launched. The HV Power Supply system of the MITICA 1MV accelerator, provided by JADA, was delivered on site in December 2015. The challenging installation of these components, including the step-up transformers and the SF6 gas insulated transmission line, started soon after and will go on throughout 2016. The present phase, with the PRIMA buildings continuously filled with new components, with the installation activities progressing and with also the commissioning and testing phase starting represents a substantial step forward toward the main target. The paper will describe the main challenges the Project Team has dealt during this phase and the important feedback derived for the ITER HNB systems both from the technical and the organizational standpoints.
Published: 2017
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25. Final design of the diagnostic calorimeter for the negative ion source SPIDER

Author: L. Franchin, M. De Muri, Roberto Pasqualotto, D. Fasolo, M. Dalla Palma, Andrea Rizzolo, Simone Peruzzo, M. Brombin, A. Pimazzoni, M. Tollin, V. Cervaro, and G. Serianni
Subjects: 010302 applied physics, Spider, Calorimeter, Materials science, Calorimeter (particle physics), Thermal camera, business.industry, Mechanical Engineering, NBI, 01 natural sciences, SPIDER, negative ion source, 010305 fluids & plasmas, Ion, Pulse operation, Optics, Nuclear Energy and Engineering, CFC, 0103 physical sciences, diagnostic calorimeter, General Materials Science, business, Beam (structure), Civil and Structural Engineering
Abstract: This paper describes the final design of the Short-Time Retractable Instrumented Kalorimeter Experiment (STRIKE) for the SPIDER experiment (Source for Production of Ions of Deuterium Extracted from Radio frequency plasma) under construction at the Consorzio RFX premises. The STRIKE diagnostic will be used to characterise the SPIDER beam during short pulse operation (several seconds) to verify the degree of attainment of ITER requirements about the maximum allowed beam non-uniformity. After a preliminary design developed in the last few years, the complete STRIKE diagnostic system has been recently subjected to a final review and is now ready for construction. The main components of the system are: an array of 16 tiles made of Carbon Fibre Composite, which will be exposed to the high power density beam (of the order of 20 MW/m22) exiting from the SPIDER Beam Source; a supporting and positioning system, based on a set of structures made of stainless steel, with controlled moving systems, to be installed within the SPIDER vacuum vessel; a set of thermal, electric and thermo-graphic sensors to properly detect the operating conditions. The paper will focus in particular on the development of the engineering design of the supporting and positioning system, with a description of the relevant CAD and FEM analyses, and will give an overview of the complete system, with reference to the manufacture of CFC tile prototypes and to the choice of the complete set of sensors.
Published: 2017
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26. Progress on development of SPIDER diagnostics

Author: A. Muraro, Giuseppe Gorini, M. Dalla Palma, M. Brombin, M. Spolaore, M. Zaupa, Simone Peruzzo, L. Lotto, M. Tardocchi, Martina Bernardi, G. Serianni, Gabriele Croci, A. Pimazzoni, Andrea Rizzolo, Matteo Agostini, Barbara Zaniol, R. Delogu, Roberto Pasqualotto, Marco Barbisan, Roberto Cavazzana, N. Pomaro, Pasqualotto, R, Agostini, M, Barbisan, M, Bernardi, M, Brombin, M, Cavazzana, R, Croci, G, Dalla Palma, M, Delogu, R, Gorini, G, Lotto, L, Muraro, A, Peruzzo, S, Pimazzoni, A, Pomaro, N, Rizzolo, A, Serianni, G, Spolaore, M, Tardocchi, M, Zaniol, B, and Zaupa, M
Subjects: Engineering, Spectrometer, Calorimeter (particle physics), Testing for education, business.industry, Amplifier, Detector, Geometrical optics, Collimated light, law.invention, Amplifiers, Physics and Astronomy (all), Optics, law, Electrostatics, Electronic engineering, Beam dump, Electronics, business, Beam (structure)
Abstract: SPIDER experiment, the full size prototype of the beam source for the ITER heating neutral beam injector, has to demonstrate extraction and acceleration to 100 kV of a large negative ion hydrogen or deuterium beam with coextracted electron fraction e-/D
Published: 2017

27. A suite of diagnostics to validate and optimize the prototype ITER neutral beam injector

Author: M. Spolaore, M. De Muri, N. Pomaro, Barbara Zaniol, Gabriele Croci, A. Pimazzoni, Andrea Rizzolo, R. Delogu, Roberto Cavazzana, M. Brombin, Marica Rebai, Roberto Pasqualotto, M. Zaupa, Silvia Spagnolo, Matteo Agostini, Marco Barbisan, Simone Peruzzo, Emanuele Sartori, M. Dalla Palma, A. Muraro, M. Tardocchi, G. Serianni, Pasqualotto, R, Agostini, M, Barbisan, M, Brombin, M, Cavazzana, R, Croci, G, Palma, M, Delogu, R, Muri, M, Muraro, A, Peruzzo, S, Pimazzoni, A, Pomaro, N, Rebai, M, Rizzolo, A, Sartori, E, Serianni, G, Spagnolo, S, Spolaore, M, Tardocchi, M, Zaniol, B, and Zaupa, M
Subjects: Beam dynamics, Materials science, Ion beam, Nuclear engineering, Beam-line instrumentation (beam position and profile monitors, negative ions, electron beam (EBIS)), 01 natural sciences, 010305 fluids & plasmas, law.invention, Beam dynamics, Beam-line instrumentation (beam position and profile monitor, law, Plasma diagnostics-interferometry, spectroscopy and imaging, 0103 physical sciences, spectroscopy and imaging, beam-intensity monitors, electron cyclotron resonance (ECR), 010306 general physics, Instrumentation, Mathematical Physics, beam-intensity monitor, bunch length monitors) Ion sources (positive ions, negative ions, electron cyclotron resonance (ECR), electron beam (EBIS)), Plasma diagnostics-interferometry, spectroscopy and imaging, Ion sources (positive ions, Neutron imaging, Ion sources (positive ions, negative ions, electron cyclotron resonance (ECR), electron beam (EBIS)), Injector, Laser, Plasma diagnostics-interferometry, Beam dynamic, Ion source, Calorimeter, bunch length monitors), Plasma diagnostics - interferometry, Measuring instrument, Beam-line instrumentation (beam position and profile monitor, Physics::Accelerator Physics, Atomic physics, Beam (structure)
Abstract: The ITER project requires additional heating provided by two neutral beam injectors using 40 A negative deuterium ions accelerated at 1 MV. As the beam requirements have never been experimentally met, a test facility is under construction at Consorzio RFX, which hosts two experiments: SPIDER, full-size 100 kV ion source prototype, and MITICA, 1 MeV full-size ITER injector prototype. Since diagnostics in ITER injectors will be mainly limited to thermocouples, due to neutron and gamma radiation and to limited access, it is crucial to thoroughly investigate and characterize in more accessible experiments the key parameters of source plasma and beam, using several complementary diagnostics assisted by modelling. In SPIDER and MITICA the ion source parameters will be measured by optical emission spectroscopy, electrostatic probes, cavity ring down spectroscopy for H^− density and laser absorption spectroscopy for cesium density. Measurements over multiple lines-of-sight will provide the spatial distribution of the parameters over the source extension. The beam profile uniformity and its divergence are studied with beam emission spectroscopy, complemented by visible tomography and neutron imaging, which are novel techniques, while an instrumented calorimeter based on custom unidirectional carbon fiber composite tiles observed by infrared cameras will measure the beam footprint on short pulses with the highest spatial resolution. All heated components will be monitored with thermocouples: as these will likely be the only measurements available in ITER injectors, their capabilities will be investigated by comparison with other techniques. SPIDER and MITICA diagnostics are described in the present paper with a focus on their rationale, key solutions and most original and effective implementations.
Published: 2017
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28. The ITER Neutral Beam Test Facility toward SPIDER operation

Author: J.F. Moreno, A. Zamengo, M. Urbani, P. Zaccaria, C. Baltador, W. Kraus, Alberto Ferro, V. Pilard, M. Spolaore, M. Bigi, H. Dhola, Ujjwal Baruah, Pierluigi Veltri, Gabriele Croci, M. J. Singh, A. Pimazzoni, G. Mico, C. Rotti, E. Spada, Piero Agostinetti, A. Muraro, Gabriele Manduchi, D. Gutierrez, L. Bailly-Maitre, M. Battistella, F. Fellin, Marica Rebai, M. Fröschle, Marco Barbisan, Emanuele Sartori, Marco Cavenago, G. Agarici, S. Dal Bello, M. Simon, V. Antoni, J. Chareyre, Luca Grando, R. Riedl, P. Jain, M. Valente, M.V. Nagaraju, Roberto Pasqualotto, Diego Marcuzzi, Gianluigi Serianni, M. Kushwah, M. Dalla Palma, M. Tardocchi, C. Wimmer, E. Bragulat, Barbara Zaniol, D. Boilson, J. Graceffa, D. Wünderlich, M. De Muri, R. S. Hemsworth, R. Delogu, L. Zanotto, M. Boldrin, Namita Singh, Ursel Fantz, M. Brombin, Matteo Agostini, M. Siragusa, R. Piovan, A. Patel, B. Raval, Riccardo Nocentini, G. Gambetta, N. Pomaro, Giuseppe Chitarin, F. Paolucci, M. Pavei, Silvia Spagnolo, Simone Peruzzo, Elena Gaio, D. Aprile, Hitesh Patel, M. Recchia, A.K. Chakraborty, Bernd Heinemann, Loic Schiesko, A. De Lorenzi, A. Masiello, A. Garbuglia, M. Zaupa, Vanni Toigo, B. Schunke, G. Gomez, Andrea Rizzolo, Nicolò Marconato, Giuseppe Gorini, H. Decamps, C. Taliercio, Nicola Pilan, Tullio Bonicelli, Adriano Luchetta, A. Maistrello, Lennart Svensson, Toigo, V, Dal Bello, S, Gaio, E, Luchetta, A, Pasqualotto, R, Zaccaria, P, Bigi, M, Chitarin, G, Marcuzzi, D, Pomaro, N, Serianni, G, Agostinetti, P, Agostini, M, Antoni, V, Aprile, D, Baltador, C, Barbisan, M, Battistella, M, Boldrin, M, Brombin, M, Dalla Palma, M, De Lorenzi, A, Delogu, R, De Muri, M, Fellin, F, Ferro, A, Gambetta, G, Grando, L, Jain, P, Maistrello, A, Manduchi, G, Marconato, N, Pavei, M, Peruzzo, S, Pilan, N, Pimazzoni, A, Piovan, R, Recchia, M, Rizzolo, A, Sartori, E, Siragusa, M, Spada, E, Spagnolo, S, Spolaore, M, Taliercio, C, Valente, M, Veltri, P, Zamengo, A, Zaniol, B, Zanotto, L, Zaupa, M, Boilson, D, Graceffa, J, Svensson, L, Schunke, B, Decamps, H, Urbani, M, Kushwah, M, Chareyre, J, Singh, M, Bonicelli, T, Agarici, G, Garbuglia, A, Masiello, A, Paolucci, F, Simon, M, Bailly maitre, L, Bragulat, E, Gomez, G, Gutierrez, D, Mico, G, Moreno, J, Pilard, V, Chakraborty, A, Baruah, U, Rotti, C, Patel, H, Nagaraju, M, Singh, N, Patel, A, Dhola, H, Raval, B, Fantz, U, Frã¶schle, M, Heinemann, B, Kraus, W, Nocentini, R, Riedl, R, Schiesko, L, Wimmer, C, Wã¼nderlich, D, Cavenago, M, Croci, G, Gorini, G, Rebai, M, Muraro, A, Tardocchi, M, and Hemsworth, R
Subjects: Physics, Nuclear and High Energy Physics, Spider, Test facility, Nuclear engineering, PRIMA: the ITER Neutral Beam Test Facility (NBTF), Condensed Matter Physics, ITER, heating neutral beam injector (HNB), PRIMA: the ITER Neutral Beam Test Facility (NBTF), SPIDER, 01 natural sciences, SPIDER, 010305 fluids & plasmas, heating neutral beam injector (HNB), ITER, 0103 physical sciences, 010306 general physics, Beam (structure), Nuclear and High Energy Physic
Abstract: SPIDER is one of two projects of the ITER Neutral Beam Test Facility under construction in Padova, Italy, at the Consorzio RFX premises. It will have a 100 keV beam source with a full-size prototype of the radiofrequency ion source for the ITER neutral beam injector (NBI) and also, similar to the ITER diagnostic neutral beam, it is designed to operate with a pulse length of up to 3600 s, featuring an ITER-like magnetic filter field configuration (for high extraction of negative ions) and caesium oven (for high production of negative ions) layout as well as a wide set of diagnostics. These features will allow a reproduction of the ion source operation in ITER, which cannot be done in any other existing test facility. SPIDER realization is well advanced and the first operation is expected at the beginning of 2018, with the mission of achieving the ITER heating and diagnostic NBI ion source requirements and of improving its performance in terms of reliability and availability. This paper mainly focuses on the preparation of the first SPIDER operations - integration and testing of SPIDER components, completion and implementation of diagnostics and control and formulation of operation and research plan, based on a staged strategy
Published: 2017
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29. Upgraded electromagnetic measurement system for RFX-mod

Author: Giuseppe Marchiori, Luca Grando, Paolo Bettini, Roberto Cavazzana, and Simone Peruzzo
Subjects: Tokamak, RFX-mod, Nuclear engineering, 01 natural sciences, DFT, 010305 fluids & plasmas, law.invention, OFT, Harmonic spectrum, law, Physics::Plasma Physics, MHD mode analysis, 0103 physical sciences, RFP, General Materials Science, Pickup, 010306 general physics, Civil and Structural Engineering, Materials Science (all), Nuclear Energy and Engineering, Mechanical Engineering, Physics, Toroid, System of measurement, Reconstruction algorithm, Harmonic, Vacuum chamber
Abstract: A major refurbishment of the toroidal load assembly is under study to extend the operational space of RFX-mod in both RFP and Tokamak configurations. It includes the removal of the vacuum vessel to increase the plasma-shell proximity and modifications of the support structure to obtain a new vacuum-tight chamber. This entails the design of a new electromagnetic measurement system, taking into account the requirements of both the equilibrium and MHD control system and physics analyses requirements in both RFP and shaped Tokamak configurations. The spatial resolution is constrained by the number of graphite tiles, 28 (poloidal) x 72 (toroidal), which cover the inner surface of the toroidal vacuum chamber. Alternative layouts of 4 x 72 and 7 x 72 are being considered to assure the calculation of the MHD mode spectrum up to (m = 0,1,2 or 3; n = 0,…,±35). A substantial advantage in terms of harmonic spectrum reconstruction is expected also in case of sensor faults with respect to the present 4x48 arrangement. Moreover, 12 poloidal arrays will include 14 sensors to compute the harmonic content needed by the plasma boundary reconstruction algorithm (m = 0,…,6). Due to the reduced room between the copper shell and the graphite tiles, the design of triaxial, vacuum fit pickup probes have started also for their convenience in compensating alignment errors.
Published: 2017
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30. Diagnostics, data acquisition and control of the divertor test tokamak experiment

Author: Alfredo Pironti, Lorella Carraro, G. Ramogida, M. Spolaore, Raffaele Albanese, Alessandro Fassina, Paolo Innocente, Roberto Cavazzana, Massimo Nocente, Simone Peruzzo, Mario Cavinato, Carlo Sozzi, Emilio Martines, Roberto Ranz, L. Gabellieri, L. Marrelli, Adriano Luchetta, M.L. Apicella, Paolo Franz, Alessandra Canton, M. E. Puiatti, Giuseppe Gorini, Roberto Ambrosino, F. Piccolo, Marco Ariola, Gianluca Spizzo, Giorgio Maddaluno, G. De Tommasi, M. Valisa, Filippo Sartori, Paolo Scarin, Gabriele Manduchi, Andre Neto, Albanese, R, Ambrosino, R, Ariola, M, De Tommasi, G, Pironti, A, Cavinato, M, Neto, A, Piccolo, F, Sartori, F, Ranz, R, Carraro, L, Canton, A, Cavazzana, R, Fassina, A, Franz, P, Innocente, P, Luchetta, A, Manduchi, G, Marrelli, L, Martines, E, Peruzzo, S, Puiatti, M, Scarin, P, Spizzo, G, Spolaore, M, Valisa, M, Gorini, G, Nocente, M, Sozzi, C, Apicella, M, Gabellieri, L, Maddaluno, G, Ramogida, G, Albanese, R., Ambrosino, R., Ariola, M., De Tommasi, G., Pironti, A., Cavinato, M., Neto, A., Piccolo, F., Sartori, F., Ranz, R., Carraro, L., Canton, A., Cavazzana, R., Fassina, A., Franz, P., Innocente, P., Luchetta, A., Manduchi, G., Marrelli, L., Martines, E., Peruzzo, S., Puiatti, M. E., Scarin, P., Spizzo, G., Spolaore, M., Valisa, M., Gorini, G., Nocente, M., Sozzi, C., Apicella, M. L., Gabellieri, L., Maddaluno, G., and Ramogida, G.
Subjects: Tokamak, Computer science, Data acquisition, Diagnostics, Plasma control, Power exhaust, Civil and Structural Engineering, Materials Science (all), Nuclear Energy and Engineering, Mechanical Engineering, Nuclear engineering, Control (management), 01 natural sciences, 010305 fluids & plasmas, law.invention, law, 0103 physical sciences, General Materials Science, Diagnostic, 010306 general physics, Divertor, Power (physics), Data flow diagram, Control system, Control methods
Abstract: The system of diagnostics, data acquisition and control foreseen on the Divertor Test Tokamak experiment (DTT) is presented. Conceived in an integrated way, the control system meets the specifications of a fusion experiment devoted to the study of the power exhaust problem in view of DEMO. Diagnostics and feedback control are particularly functional to the need of maintaining the plasma close to equilibrium in situations prone to instabilities where the plasma wall interaction is optimized. Strongly oriented to the exploration of control methods suitable for DEMO, DTT will specifically experiment on physics and engineering model based control systems. Control and data flow schemes are inspired by those of ITER.
Published: 2017
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31. The PRIMA test facility: SPIDER and MITICA test-beds for ITER neutral beam injectors

Author: S. Hanke, M. Pavei, Sandro Sandri, L. Bailly-Maitre, G. Gomez, Emanuele Sartori, Diego Marcuzzi, Atsushi Kojima, A.K. Chakraborty, Vanni Toigo, T. Maejima, Kazuhiro Watanabe, Nicola Pilan, G. Mico, C. Rotti, A. Sottocornola, A. Zamengo, A. Masiello, Nicolò Marconato, Giuseppe Gorini, V. Antoni, B. Schunke, J. Chareyre, Gabriele Manduchi, G. Rostagni, P. Zaccaria, Gianluigi Serianni, Y. Xue, Alberto Ferro, M. Valente, M. De Muri, M. Bigi, R. S. Hemsworth, A. Muraro, S. Ochoa, Gabriele Croci, M. Brombin, Hiroyuki Tobari, A. Pimazzoni, M. Kushwah, Simone Peruzzo, Andrea Rizzolo, D. Boilson, Piergiorgio Sonato, M.V. Nagaraju, M. Recchia, M. Zaupa, H. Yamanaka, M. Dalla Palma, F. Fellin, Elena Gaio, D. Aprile, J.F. Moreno, L. Zanotto, M. Spolaore, Ujjwal Baruah, M. Siragusa, Bernd Heinemann, H. Decamps, C. Taliercio, A. Garbuglia, A. Fiorentin, W. Kraus, M. Battistella, Muriel Simon, Francesco Gnesotto, E. Bragulat, Matteo Agostini, E. Ocello, Silvia Spagnolo, S. Dal Bello, Marco Cavenago, E. Spada, Daniel Gutierrez, Tullio Bonicelli, P. Blatchford, B. Chuilon, A. De Lorenzi, Piero Agostinetti, J. Graceffa, P. Jain, Marica Rebai, G. Gambetta, H.P.L. de Esch, A. Tonti, M. Moresco, Namita Singh, Lennart Svensson, Ursel Fantz, M. Urbani, M. Boldrin, C. Baltador, Adriano Luchetta, A. Maistrello, Giuseppe Chitarin, R. Piovan, H. Dhola, M. J. Singh, M. Tardocchi, Roberto Pasqualotto, V. Pilard, Pierluigi Veltri, G. Agarici, Mieko Kashiwagi, Barbara Zaniol, R. Delogu, Marco Barbisan, Luca Grando, F. Paolucci, Hitesh Patel, N. Pomaro, Naotaka Umeda, Marco D’Arienzo, B. Raval, Volker Hauer, A. Patel, Masaya Hanada, Toigo, V, Piovan, R, Bello, S, Gaio, E, Luchetta, A, Pasqualotto, R, Zaccaria, P, Bigi, M, Chitarin, G, Marcuzzi, D, Pomaro, N, Serianni, G, Agostinetti, P, Agostini, M, Antoni, V, Aprile, D, Baltador, C, Barbisan, M, Battistella, M, Boldrin, M, Brombin, M, Palma, M, De Lorenzi, A, Delogu, R, De Muri, M, Fellin, F, Ferro, A, Fiorentin, A, Gambetta, G, Gnesotto, F, Grando, L, Jain, P, Maistrello, A, Manduchi, G, Marconato, N, Moresco, M, Ocello, E, Pavei, M, Peruzzo, S, Pilan, N, Pimazzoni, A, Recchia, M, Rizzolo, A, Rostagni, G, Sartori, E, Siragusa, M, Sonato, P, Sottocornola, A, Spada, E, Spagnolo, S, Spolaore, M, Taliercio, C, Valente, M, Veltri, P, Zamengo, A, Zaniol, B, Zanotto, L, Zaupa, M, Boilson, D, Graceffa, J, Svensson, L, Schunke, B, Decamps, H, Urbani, M, Kushwah, M, Chareyre, J, Singh, M, Bonicelli, T, Agarici, G, Garbuglia, A, Masiello, A, Paolucci, F, Simon, M, Bailly maitre, L, Bragulat, E, Gomez, G, Gutierrez, D, Mico, G, Moreno, J, Pilard, V, Kashiwagi, M, Hanada, M, Tobari, H, Watanabe, K, Maejima, T, Kojima, A, Umeda, N, Yamanaka, H, Chakraborty, A, Baruah, U, Rotti, C, Patel, H, Nagaraju, M, Singh, N, Patel, A, Dhola, H, Raval, B, Fantz, U, Heinemann, B, Kraus, W, Hanke, S, Hauer, V, Ochoa, S, Blatchford, P, Chuilon, B, Xue, Y, De Esch, H, Hemsworth, R, Croci, G, Gorini, G, Rebai, M, Muraro, A, Tardocchi, M, Cavenago, M, D'Arienzo, M, Sandri, S, and Tonti, A
Subjects: Nuclear engineering, General Physics and Astronomy, PRIMA, 01 natural sciences, 010305 fluids & plasmas, law.invention, MITICA, Physics and Astronomy (all), Neutral beam injector, law, ITER, 0103 physical sciences, ddc:530, ITER, heating neutral beam injector, ITER neutral beam test facility, PRIMA, SPIDER, MITICA, 010306 general physics, heating neutral beam injector, Physics, Spider, Test facility, ITER neutral beam test facility, Advanced stage, Injector, SPIDER, Atomic physics, Beam (structure)
Abstract: The ITER Neutral Beam Test Facility (NBTF), called PRIMA (Padova Research on ITER Megavolt Accelerator), is hosted in Padova, Italy and includes two experiments: MITICA, the full-scale prototype of the ITER heating neutral beam injector, and SPIDER, the full-size radio frequency negative-ions source. The NBTF realization and the exploitation of SPIDER and MITICA have been recognized as necessary to make the future operation of the ITER heating neutral beam injectors efficient and reliable, fundamental to the achievement of thermonuclear-relevant plasma parameters in ITER. This paper reports on design and R&D carried out to construct PRIMA, SPIDER and MITICA, and highlights the huge progress made in just a few years, from the signature of the agreement for the NBTF realization in 2011, up to now - when the buildings and relevant infrastructures have been completed, SPIDER is entering the integrated commissioning phase and the procurements of several MITICA components are at a well advanced stage
Published: 2017
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32. Design of a High Resolution Probe Head for Electromagnetic Turbulence Investigations in W7-X

Author: M. Brombin, Carsten Killer, Piero Agostinetti, Simone Peruzzo, M. Moresco, Michele Visentin, Monica Spolaore, Nicola Vianello, Olaf Grulke, L. Franchin, V. Cervaro, Emilio Martines, Agostinetti, P, Spolaore, M, Brombin, M, Cervaro, V, Franchin, L, Grulke, O, Killer, C, Martines, E, Moresco, M, Peruzzo, S, Vianello, N, and Visentin, M
Subjects: Physics, Nuclear and High Energy Physics, Turbulence, Resolution (electron density), Edge region, High resolution, Mechanical engineering, Electromagnetic Turbulence, Condensed Matter Physics, 01 natural sciences, Electromagnetic fluctuations, W7-X, 010305 fluids & plasmas, Wendelstein 7-X (W7-X), stellarator, 0103 physical sciences, Head (vessel), Electromagnetic fluctuation, Work program, Manipulator, insertable probe, 010306 general physics, Engineering design process, High Resolution Probe
Abstract: A multi-purpose manipulator (MPM) system has been developed and installed on the W7-X vessel, aimed at investigating the edge plasmas of the stellarator. It is a flexible tool for integration of a variety of different diagnostics as e. g. electrical probes, probing magnetic coils, material collection, or material exposition probes, and gas injection. In the framework of the EUROfusion S1 work program for the preparation and exploitation of W7-X campaigns, a diagnostic insertable probe head called HRP (High Resolution Probe) has been developed by Consorzio RFX in collaboration with IPP Greifswald, to study the electrostatic and electromagnetic features of turbulence in the edge region of W7-X using the MPM.
Published: 2017
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33. Overview of the JET results in support to ITER

Author: Alfredo Pironti, J. Simpson-Hutchinson, Sean Conroy, J. Uljanovs, D. Middleton-Gear, G. Possnert, C. Angioni, R. McAdams, Nicholas Watkins, E. Fortuna-Zalesna, A. Garcia-Carrasco, K. Gałązka, D. Nodwell, Pasquale Gaudio, R.A. Pitts, Svetlana V. Ratynskaia, Seppo Koivuranta, O. J. Kwon, C. Boyd, A. Boboc, M. Reinhart, Igor Lengar, Jarrod Leddy, Hiroyasu Utoh, J. H. Ahn, A. Stevens, J. Lönnroth, U. Kruezi, C. Guillemaut, N. Fonnesu, W. Studholme, Marek Rubel, P. Cahyna, O. McCormack, A. S. Jacobsen, D. Mazon, Gunta Kizane, N. Ashikawa, William Tang, J. Goff, F. Nespoli, Thomas Giegerich, G. Petravich, Angela Busse, Corneliu Porosnicu, M. Bigi, M. Wheatley, Christopher N. Bowman, J. Zacks, Ivan Calvo, U. Losada, H. Weisen, B. Bauvir, Stanislas Pamela, Sylvain Brémond, M.F. Stamp, Scott W. McIntosh, A. Rakha, S. Glöggler, V. Braic, C. Bottereau, S. Murphy, S. Knott, Luigi Fortuna, P. Bunting, N. Vora, S. D. Scott, A. Lazaros, R. Dejarnac, P. Buratti, H.R. Strauss, Gabriele Croci, M. Nocente, A. Hollingsworth, S. Reynolds, D. J. Wilson, D. D. Brown, T.C. Luce, S. Zoletnik, E. Nilsson, L. Laguardia, O. Marchuk, F.P. Orsitto, E. Cecil, V. Huber, J. B. Girardo, Stylianos Varoutis, M. D. Axton, Hyun-Tae Kim, E. Safi, Ch. Day, S. Arshad, J. Rzadkiewicz, P. Prior, A. Meigs, S. Esquembri, P. Gohil, K. Purahoo, Torbjörn Hellsten, N. Tipton, R. Guirlet, E. Joffrin, V. Aldred, Calin Besliu, M. Valentinuzzi, G. T. Jones, J. Edwards, Giuseppe Ambrosino, Laurent Marot, N. Lam, F. Crisanti, G. Verona Rinati, R. Marshal, Michael L. Brown, D. Frigione, D. Chandra, Michaele Freisinger, R. Olney, Jari Varje, S. Whetham, F. Parra Diaz, M. R. Hough, P. Dinca, F. Salzedas, A. Goodyear, R. Gowland, J. A. Wilson, J. Horacek, D. King, K. Flinders, I. R. Merrigan, M. Ghate, R. Michling, F. Saint-Laurent, G. Kocsis, D. Van Eester, C. Young, R. O. Dendy, A. Meakins, N. Pace, C. L. Hunter, D. Alegre, S. Foster, V. Riccardo, M. Bulman, C. Jeong, Marek Szawlowski, B. D. Whitehead, Vasily Kiptily, James Harrison, Hiroshi Tojo, G. T. A. Huijsmans, J. W. Coenen, X. Litaudon, Justin Williams, C. Hidalgo, S. Lesnoj, I.E. Day, A. W. Morris, R. Mooney, Yann Corre, S. Brezinsek, B. Gonçalves, M. Kresina, D. Coombs, F. Köchl, J. L. Gardarein, W. Davis, Aqsa Shabbir, Kanti M. Aggarwal, L. Colas, A. B. Kukushkin, Seppo Sipilä, Elisabeth Rachlew, Leena Aho-Mantila, O. G. Pompilian, E. Viezzer, Shane Cooper, Fabio Villone, P. Blanchard, Patrick Tamain, P. Camp, T. Szabolics, C. Luna, Kalle Heinola, H. G. Esser, V. Bobkov, James Buchanan, Andrew West, Hajime Urano, Roberta Lima Gomes, J.P. Coad, Th. Pütterich, A. Sinha, S. Hollis, R. D. Wood, G. D. Ewart, F. S. Griph, T. Kobuchi, X. Lefebvre, S. Warder, A.J. Thornton, S. Peschanyi, B. Graham, Giuseppe Telesca, M. Kempenaars, J. Bernardo, M. Hughes, Eva Belonohy, S. Schmuck, Kai Nordlund, T. J. Smith, P. Hertout, K. D. Lawson, M. Brix, Matthew Sibbald, Grégoire Hornung, C. Tame, Matthew Carr, S. Wray, P. T. Doyle, A. Somers, Giuseppe Chitarin, D. C. Campling, Mitul Abhangi, I. Jepu, David A. Wood, J. Miettunen, A. Sopplesa, Raffaele Fresa, S. Saarelma, M. Bacharis, J. Pozzi, P. Vallejos Olivares, Teddy Craciunescu, Raffaele Albanese, S. Knipe, Jason P. Byrne, A. C. C. Sips, S. Hazel, V. Kazantzidis, G. Stankūnas, A. Kundu, J. Mailloux, C. Guerard, Pramit Dutta, J. E. Boom, Eduardo Alves, P. Grazier, Saskia Mordijck, V.S. Neverov, Kazuo Hoshino, A. P. Vadgama, P. D. Brennan, P. Innocente, Piergiorgio Sonato, M. Irishkin, M. Berry, D. W. Robson, Dieter Leichtle, Fabio Pisano, P. McCullen, T. M. Huddleston, Kensaku Kamiya, D. Pacella, Tommy Ahlgren, A. Kirschner, B. Magesh, A. Ash, J. Mlynář, C. Castaldo, C. Marchetto, D. L. Hillis, M. Incelli, B. Viola, R. J. Robins, E. Andersson Sundén, G. Ramogida, Matthew Reinke, Gerd Meisl, Yannis Kominis, R. Proudfoot, C. Noble, N. J. Conway, V. P. Lo Schiavo, Jorge Luis Rodriguez, Hugo Bufferand, C. H. A. Hogben, B. Evans, R. Sartori, H. Greuner, M. G. Dunne, K. Schöpf, M. I. K. Santala, E. Giovannozzi, A. E. Shevelev, C. Gil, P. Boulting, P. Sagar, A.E. Shumack, P. A. Coates, C. Ayres, R. Prakash, C. Giroud, M. Parsons, J. C. Giacalone, S. Meshchaninov, A. Peackoc, G. De Temmerman, A.C.A. Figueiredo, D. Gallart, P. Santa, Sergey Popovichev, Ivan Lupelli, M. Valovic, Thomas Johnson, Y. Martynova, M. Rack, Olivier Sauter, J. Garcia, P. Siren, I. Balboa, S. Lee, Hans Nordman, R. Roccella, M. Faitsch, Julien Hillairet, Patrick J. McCarthy, C. Reux, Irena Ivanova-Stanik, V. Coccorese, Ye. O. Kazakov, R. El-Jorf, C. Hamlyn-Harris, Matthias Weiszflog, C. F. Maggi, Panagiotis Tolias, N. C. Hawkes, E. Clark, Bruno Santos, B. Sieglin, R. Rodionov, Roch Kwiatkowski, P. Denner, C. Woodley, Hugh Summers, Francesco Pizzo, G. Pucella, D. Croft, F. Di Maio, M. Tomes, D. Molina, A. Fernades, L. Amicucci, Marco Cecconello, A. Bisoffi, Z. Ul-Abidin, J. Wilkinson, H. Maier, S. Rowe, M. Beckers, P.J. Knight, E. Pajuste, Choong-Seock Chang, K. Deakin, M. Enachescu, A. Cobalt, D. Tskhakaya Jun, Michela Gelfusa, Rémy Nouailletas, R. Ragona, N. Bonanomi, D. A. Homfray, K. Riddle, Yann Camenen, J. D. Thomas, R.P. Doerner, Timothy P. Robinson, Y. Miyoshi, Ph. Jacquet, H. T. Lambertz, D. Pulley, A. Bécoulet, E. Tholerus, O. Bogar, M. Peterka, R. Crowe, C. Sommariva, A. R. Talbot, N. K. Butler, N. Reid, R. Zagórski, Gerald Pintsuk, Juri Romazanov, Andre Neto, G. L. Ravera, Paolo Arena, A. Manning, F. Durodié, Maryna Chernyshova, D. Karkinsky, Štefan Matejčík, J. P. Thomas, A. Wilson, L. Joita, R. Naish, P. Strand, M. Balden, M. Kaufman, T. Powell, V. Schmidt, D. Barnes, José Vicente, S. Doswon, Daniel F. Valcarcel, Claudia Corradino, R. Warren, Annette M. Hynes, J. D. Strachan, A. M. Messiaen, M. Kovari, O. Omolayo, D. M. Witts, R. C. Felton, C. Fleming, C. A. Marren, Patrick Maget, J. Galdon-Quiroga, H. R. Koslowski, Bruce Lipschultz, Ana Elisa Bauer de Camargo Silva, J. Waterhouse, R. J. Dumont, M. Schneider, Sara Moradi, K. J. Nicholls, M. Beldishevski, Benedikt Geiger, A. Jardin, A. Ekedahl, A. Lyssoivan, C. Waldon, Davide Galassi, F. Jaulmes, A. Kirk, Yannick Marandet, F. Hasenbeck, Gabor Szepesi, R. C. Pereira, J. Juul Rasmussen, Nobuyuki Aiba, Michelle E. Walker, Gábor Cseh, Scott W. Mosher, R. Bastow, A. Di Siena, E. Lazzaro, M. Curuia, C. D. Challis, Z. Ghani, J. Deane, João M. C. Sousa, Henrik Sjöstrand, T. O'Gorman, H. R. Wilson, P. Devynck, M. Price, C. A. Thompson, Daniele Marocco, A. Cullen, M. Clark, M. Lennholm, D. Carralero, N. Balshaw, Roland Sabot, I. Stepanov, N. Petrella, Filippo Sartori, L. W. Packer, P. Thomas, M. Lungu, A. V. Krasilnikov, R. Young, Jonathan Graves, J. C. Hillesheim, Mǎdǎlina Vlad, Duccio Testa, Pierre Dumortier, Paulo Carvalho, M. Gosk, Yong-Su Na, M. Buckley, Carlos A. Silva, V. Fuchs, K. Vasava, P. A. Tigwell, B. Wakeling, M. Medland, M. Bellinger, K. Gal, Petter Ström, E. Veshchev, F. Nabais, A. Wynn, L. Lauro Taroni, B. Beckett, L. Gil, M. Towndrow, Brian Grierson, Harry M. Meyer, V. Philipps, A. de Castro, D. Kinna, D. Conka, Göran Ericsson, L. Piron, J. Hawkins, D. Cooper, Kenneth Hammond, V.V. Parail, Cristian Ruset, G.J. van Rooij, M. N. A. Beurskens, N. Fawlk, G. Evison, M. Van De Mortel, N. Marcenko, B. Slade, Th. Franke, Simone Peruzzo, N. den Harder, D. Baião, A. Martin de Aguilera, Frederic Imbeaux, Carlo Sozzi, J.L. de Pablos, J. Svensson, A. Withycombe, Ane Lasa, H. Sheikh, V.A. Yavorskij, Nick Walkden, E. Lerche, C. S. Gibson, Roberto Zanino, Y. Peysson, David Hatch, B. Bazylev, E. de la Cal, S. Hacquin, T. D. V. Haupt, S. A. Silburn, T.T.C. Jones, Maria Teresa Porfiri, Walid Helou, S. E. Sharapov, M. Zerbini, Ken W Bell, Marco Marinelli, Kyriakos Hizanidis, J. M. Fontdecaba, N. Teplova, K. K. Kirov, S. Vartanian, W. W. Pires de Sa, T. C. Hender, J. K. Blackburn, I. Monakhov, H. Patten, P. A. Simmons, Y. Austin, J. Regana, Stefano Coda, Amanda J. Page, D. Fuller, António J.N. Batista, A. Horton, P. Heesterman, S. Cramp, J. Hobirk, F. Clairet, A. Burckhart, M. Allinson, Larry R. Baylor, W. Leysen, D. B. Gin, P. Nielsen, A. Kantor, Yueqiang Liu, A.V. Stephen, Jose Ramon Martin-Solis, P. Mantica, B. C. Regan, Aleksander Drenik, A. Lukin, L. Thorne, G. Nemtsev, J. Denis, M. E. Graham, D. Rigamonti, W. Van Renterghem, M. Tardocchi, M. Koubiti, A. Malaquias, M. Tsalas, A. Cufar, Giuseppe Prestopino, D. Kogut, N. Pomaro, J. Keep, Jochen Linke, Shimpei Futatani, Boris Breizman, A. Sirinelli, M. Chandler, M. Fortune, F. Degli Agostini, I. Jenkins, T. Spelzini, G. Calabrò, O. N. Kent, A. Lunniss, Etienne Hodille, Z. Vizvary, Volker Naulin, T. Eich, F. Mink, A. Alkseev, P. W. Haydon, Massimo Angelone, Norberto Catarino, J. Lapins, Roberto Pasqualotto, R. Lawless, T. Schlummer, F. Bonelli, M. Wischmeier, Stéphane Devaux, G. Saibene, Dirk Reiser, Y. R. Martin, H. Bergsåker, Jon Godwin, Alessia Santucci, C. Lane, Justyna Grzonka, Ph. Mertens, Claudio Verona, David Moulton, E. Delabie, Anna Salmi, P. G. Smith, T. Bolzonella, Silvio Ceccuzzi, Ulrich Fischer, G. Liu, M. A. Henderson, M. Marinucci, T. Suzuki, Jakub Bielecki, João Figueiredo, M. Afzal, J. Cane, Robert Hager, Luciano Bertalot, M. Firdaouss, G. Tvalashvili, D. Hepple, D. Esteve, M. De Bock, Y. Baranov, R. D'Inca, G. De Tommasi, Ch. Linsmeier, T. Nicolas, I. J. Pearson, P. Finburg, Ireneusz Książek, S. Talebzadeh, A. Czarnecka, A. Botrugno, M. Gethins, Bohdan Bieg, R. Baughan, I. Borodkina, B. Kos, A. Muraro, T. Vasilopoulou, G. Hermon, S.J. Wukitch, Jari Likonen, D. P. Coster, Guglielmo Rubinacci, I. H. Coffey, Justine M. Kent, S. E. Dorling, J. Dankowski, Geert Verdoolaege, Daisuke Nishijima, R. Clarkson, E. R. Solano, M. Stephen, A. Lescinskis, P. Staniec, Karl Schmid, M. Mayer, Peter Lang, T. Franklin, M.I. Williams, C. G. Elsmore, F. Maviglia, C. Di Troia, C. Penot, A. Zarins, Pierre Manas, D. F. Gear, Yu Gao, Philipp Drews, E. Letellier, A. S. Thompson, L. Forsythe, I. Zychor, E. Khilkevich, A. Manzanares, T. Nakano, Paulo Rodrigues, J. Edmond, Sebastián Dormido-Canto, R. Dux, C. Appelbee, L. Moser, Angelo Cenedese, D. Fagan, N. Richardson, Giuseppe Gorini, V. Rohde, R. Paprok, João P. S. Bizarro, P. Aleynikov, M. Sertoli, Ł. Świderski, Simone Palazzo, O. W. Davies, D. Douai, N. Macdonald, M. Baruzzo, J. López-Razola, M. Lungaroni, D. Clatworthy, R. Bravanec, J. Lovell, Ambrogio Fasoli, S.-P. Pehkonen, M. E. Puiatti, P. Papp, G. Bodnar, V. Aslanyan, A. Weckmann, K. A. Taylor, R. Henriques, I. T. Chapman, Ewa Pawelec, Miles M. Turner, Steven J. Meitner, M. Bernert, Ph. Maquet, R. C. Meadows, A. Shaw, N. Vianello, L. Barrera Orte, Tomas Markovic, A. Fil, A. S. Couchman, Inessa Bolshakova, J. Fyvie, Konstantina Mergia, J. Gallagher, R.V. Budny, Frank Leipold, C. J. Rapson, R. C. Lobel, Gennady V. Miloshevsky, K.-D. Zastrow, Ph. Duckworth, Gianluca Rubino, G. Withenshaw, S. Maruyama, S. P. Hallworth Cook, M. Newman, Jérôme Bucalossi, P. Drewelow, Nuno Cruz, D. Iglesias, I. Nedzelski, T. Donne, P. Leichuer, R. Cesario, M. D. J. Bright, T. Boyce, N. Imazawa, Per Petersson, R. King, A. Loving, L. Garzotti, Jorge Ferreira, G. Corrigan, D. Sandiford, B. Tal, P. Puglia, Daniel Tegnered, J. Karhunen, James S. Wright, Tom Wauters, J. McKehon, K. Rathod, Olivier Février, Alessandro Formisano, Petra Bilkova, M. Groth, Ricardo Magnus Osorio Galvao, F. Medina, S. Collins, H. J. Boyer, Elena Bruno, Horacio Fernandes, M. J. Stead, R. Paccagnella, J. Kaniewski, Ion E. Stamatelatos, F. Causa, M. F. F. Nave, A. Patel, D. C. McDonald, L. Moreira, Mariano Ruiz, K. Dylst, Raymond A. Shaw, A. Brett, Jane Johnston, P. P. Pereira Puglia, J. Ongena, N. A. Benterman, V. N. Amosov, Christian Grisolia, J. Simpson, C. Perez von Thun, Jan Weiland, P. Tonner, F. Belli, T. Odupitan, T. Dittmar, Edmund Highcock, Taina Kurki-Suonio, I. Uytdenhouwen, Estelle Gauthier, M. Oberkofler, B. Alper, Iris D. Young, S. Soare, Yuji Hatano, D. Reece, D. Borodin, M. Moneti, W. Yanling, S. Mianowski, K. Fenton, Stephen J. Bailey, R. Coelho, Sandra C. Chapman, E. Łaszyńska, A. R. Field, F.J. Martínez, Anders Nielsen, M. Smithies, M. J. Mantsinen, A. J. Capel, N. D. Smith, A. Pires dos Reis, M.-L. Mayoral, T. Loarer, P. Carman, N. Grazier, S. Breton, J. M. A. Bradshaw, Alexandre C. Pereira, Fulvio Auriemma, Fulvio Militello, Barbara Cannas, D. Ulyatt, A. Kappatou, P. Blatchford, R. Scannell, B. I. Oswuigwe, Darren Price, Robert E. Grove, D. Guard, M. Leyland, G. Stubbs, J. W. Banks, V.V. Plyusnin, M. S. J. Rainford, Andrea Murari, Sanjeev Ranjan, A. Huber, V. Krasilnikov, C. Bower, H. Leggate, S. Abduallev, P. Tsavalas, G. Giruzzi, K. Maczewa, Colin Roach, P. Beaumont, R. P. Johnson, Anna Widdowson, L. A. Kogan, A. Baron Wiechec, Markus Airila, J. Morris, Robert Skilton, Katarzyna Słabkowska, M. A. Barnard, Jean-Paul Booth, Alessandro Pau, R. Price, R. Bament, M. Tokitani, I. Turner, T. Vu, P. Huynh, S.N. Gerasimov, D. I. Refy, Yunfeng Liang, Anders Hjalmarsson, S. Dalley, Roberto Ambrosino, O. Hemming, T. R. Blackman, Y. Zhou, Vasile Zoita, P. Vincenzi, A. Loarte, C. Rayner, Martin Imrisek, M. Tripsky, C. Mazzotta, A. Uccello, V. Basiuk, Lide Yao, V. Goloborod'ko, S. Villari, B. P. Duval, N. Bulmer, W. Zhang, L. Hackett, D. N. Borba, M. Halitovs, Mario Pillon, H. Arnichand, Alberto Alfier, A. Lawson, A. Masiello, T. Makkonen, A. Vitins, D. Rendell, D. Paton, L. Avotina, A. Krivska, M. Maslov, Richard Verhoeven, Marc Goniche, A. Broslawski, Marica Rebai, E. de la Luna, E. Militello-Asp, V. Cocilovo, L. Carraro, Michael Fitzgerald, Bernardo B. Carvalho, D. Young, C.G. Lowry, F. J. Casson, L.-G. Eriksson, T. M. Biewer, B. Esposito, F.G. Rimini, J. Fessey, G. Kaveney, S. Hall, Robin Barnsley, Michael Lehnen, N. Bekris, L. F. Ruchko, P. Batistoni, E. Alessi, M. G. O'Mullane, D. S. Darrow, C. N. Grundy, N. Hayter, Ivo S. Carvalho, M. Brombin, Enrico Zilli, M. Valisa, M. Reich, S. Panja, C. Gurl, Charles Harrington, Emmanuele Peluso, M. Porton, Michael Walsh, D. Falie, A. Reed, Jacob Eriksson, P. Macheta, J. M. Faustin, S. Cortes, S. Fietz, P. Piovesan, D. Ciric, Eric Nardon, R. Neu, Bojiang Ding, G.A. Rattá, F. Reimold, R. Craven, M. Cox, J. Orszagh, Aaro Järvinen, A. S. Thrysøe, A. Shepherd, I. Ďuran, Andrew M. Edwards, A. Kinch, J. Beal, M. Gherendi, Martin Köppen, D. Samaddar, P. Dalgliesh, I. Vinyar, J. Jansons, Nengchao Wang, J. Wu, John Wright, S. Wiesen, C. King, Alessandra Fanni, L. D. Horton, N. Krawczyk, J. Buch, K. Krieger, Václav Petržílka, D. Schworer, C. Watts, T. Keenan, Andrea Malizia, B. D. Stevens, P. Trimble, C. P. Lungu, V. Prajapati, Marco Ariola, C. Wellstood, S. Gilligan, Mirko Salewski, Michael Barnes, Florin Spineanu, H. Doerk, C. Kennedy, S. Jachmich, J. Caumont, Isabel L. Nunes, A. Petre, A. Kallenbach, M. Anghel, B. Lomanowski, Marco Riva, M. Romanelli, G. De Masi, T. May-Smith, T. Xu, A. Goussarov, S. Romanelli, M. Okabayashi, A. Baker, R. Salmon, T. Tala, Nicolas Fedorczak, S. Lanthaler, Giuliana Sias, J. Risner, Clarisse Bourdelle, M. E. Manso, Fabio Moro, R. Lucock, M. Bassan, M. T. Ogawa, V. Thompson, A. M. Whitehead, S. D. A. Reyes Cortes, Igor Bykov, Gennady Sergienko, E. Stefanikova, Mattia Frasca, H. Dabirikhah, Lorenzo Frassinetti, N. Dzysiuk, D. L. Keeling, Juan Manuel López, M. Turnyanskiy, Daniel Dunai, David Taylor, Arturo Buscarino, Carolina Björkas, A. Baciero, S. Meigh, M. Garcia-Munoz, Massimiliano Mattei, M. Hill, Gwyndaf Evans, S. Minucci, Xiang Gao, A. V. Chankin, Francesco Romanelli, A. Lahtinen, L. Giacomelli, A. Owen, Jesús Vega, Jonathan Citrin, Antti Hakola, Petr Vondracek, Sehyun Kwak, P. Abreu, L. Meneses, S. S. Medley, G. Gervasini, Surya K. Pathak, Kristel Crombé, M. Cleverly, H.S. Kim, C. Stan-Sion, Nobuyuki Asakura, E. Wang, A. Cardinali, L. Fazendeiro, R. Cavazzana, P. J. Lomas, J. Hawes, G. Stables, Silvia Spagnolo, S. P. Hotchin, N. R. Green, Slawomir Jednorog, Ewa Kowalska-Strzęciwilk, A. Martin, Linwei Li, Rajnikant Makwana, Richard Goulding, I. Voitsekhovitch, M. Bowden, I. Kodeli, Peter Hawkins, S. S. Henderson, Ondrej Ficker, Carl Hellesen, D. Yadikin, Fabio Subba, Luka Snoj, Anthony Laing, N. Ben Ayed, Mario Cavinato, M. Goodliffe, C. Clements, D. Kenny, Axel Klix, S. Gee, R. J. E. Smith, P. de Vries, L. Fittill, Min-Gu Yoo, S. Menmuir, K. Cave-Ayland, S. Potzel, D. Grist, K. Blackman, S. A. Robinson, Rodney Walker, David Pfefferlé, W. Broeckx, D. Harting, S. G. J. Tyrrell, F. Binda, L. Horvath, Davide Flammini, P. V. Edappala, Raul Moreno, G. M. D. Hogeweij, P. Card, A. Hagar, Ion Tiseanu, Rita Lorenzini, L. Appel, Jet Contributors, J. Flanagan, C. Paz Soldan, U. Samm, Otto Asunta, F. Eriksson, C. Taliercio, F. S. Zaitsev, G. F. Matthews, Tuomas Koskela, P. J. Howarth, D. Terranova, M. Skiba, Amanda Hubbard, R. Otin, K. G. McClements, M. Park, R. McKean, C. Christopher Klepper, I. Karnowska, Peter J. Pool, G. Ciraolo, Jennifer M. Lehmann, Institut de Mécanique des Fluides et des Solides (IMFS), Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), VTT Technical Research Centre of Finland (VTT), Association EURATOM-TEKES, Association EURATOM-TEKES, Helsinki University of Technology, Finland, Assoc. Euratom-ENEA-CREATE, Universita Mediterranea of Reggio Calabria [Reggio Calabria], EURATOM/CCFE Fusion Association, Culham Science Centre [Abingdon], Instituto Tecnológico e Nuclear (ITN), ITN, University of Naples Federico II = Università degli studi di Napoli Federico II, Max-Planck-Institut für Plasmaphysik [Garching] (IPP), Università degli studi di Catania = University of Catania (Unict), National Institute for Fusion Science (NIFS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), ITER organization (ITER), Karlsruhe Institute of Technology (KIT), Institut de Chimie des Substances Naturelles (ICSN), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherche sur la Fusion par confinement Magnétique (IRFM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), European Fusion Development Agreement [Garching bei München] ( EFDA-CSU), Institut d'ophtalmologie Hédi-Rais de Tunis, Service Cardiologie [CHU Toulouse], Pôle Cardiovasculaire et Métabolique [CHU Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)-Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), H. Niewodniczanski Institute of Nuclear Physics, Polska Akademia Nauk = Polish Academy of Sciences (PAN), Laboratoire de recherche en Hydrodynamique, Énergétique et Environnement Atmosphérique (LHEEA), École Centrale de Nantes (ECN)-Centre National de la Recherche Scientifique (CNRS), Euratom/UKAEA Fusion Assoc., Magnetic Sensor laboratory [Lviv] (MSL), National Polytechnic University of Lviv (LPNU), The National Research Nuclear University MEPhI (Moscow Engineering Physics Institute) [Moscow, Russia], Institute of Energy and Climate Research - Plasma Physics (IEK-4), Forschungszentrum Jülich GmbH | Centre de recherche de Juliers, Helmholtz-Gemeinschaft = Helmholtz Association-Helmholtz-Gemeinschaft = Helmholtz Association, Institute for Problems of Material Science, National Academy of Sciences of Ukraine (NASU), Institute of Plasma Physics [Praha], Czech Academy of Sciences [Prague] (CAS), Physique des interactions ioniques et moléculaires (PIIM), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS), Département Méthodes et Modèles Mathématiques pour l'Industrie (3MI-ENSMSE), École des Mines de Saint-Étienne (Mines Saint-Étienne MSE), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Centre G2I, Department of Hydraulics, Transportations and Roads, Laboratoire de microbiologie et génétique moléculaires - UMR5100 (LMGM), Centre de Biologie Intégrative (CBI), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), Metallurgical & Materials Engineering Department (MS 388), University of Nevada [Reno], AUTRES, Institute of Plasma Physics and Laser Microfusion [Warsaw] (IPPLM), Culham Centre for Fusion Energy (CCFE), Astrophysics Research Centre [Belfast] (ARC), Queen's University [Belfast] (QUB), Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information (CEA-LETI), Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), School of Mathematics [Cardiff], Cardiff University, Associazone EURATOM ENEA sulla Fusione, EURATOM, Laboratoire de physique des plasmas de l'ERM, Laboratorium voor plasmafysica van de KMS (LPP ERM KMS), Ecole Royale Militaire / Koninklijke Militaire School (ERM KMS), Paul-Drude-Institut für Festkörperelektronik (PDI), Institut für Physik, University of Basel (Unibas), Dutch Institute for Fundamental Energy Research [Nieuwegein] (DIFFER), Dutch Institute for Fundamental Energy Research [Eindhoven] (DIFFER), Institut Jean Lamour (IJL), Institut de Chimie du CNRS (INC)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), CEA Cadarache, Dipartimento di Energia [Milano], Politecnico di Milano [Milan] (POLIMI), Laboratoire de Mécanique, Modélisation et Procédés Propres (M2P2), Aix Marseille Université (AMU)-École Centrale de Marseille (ECM)-Centre National de la Recherche Scientifique (CNRS), Lille économie management - UMR 9221 (LEM), Université d'Artois (UA)-Université catholique de Lille (UCL)-Université de Lille-Centre National de la Recherche Scientifique (CNRS), Euratom research and training programme 633053, Institut de Mécanique des Fluides et des Solides ( IMFS ), Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique ( CNRS ), VTT Technical Research Centre of Finland ( VTT ), Univ. Mediterranea RC, Culham Science Centre, Instituto Tecnológico e Nuclear ( ITN ), Università degli studi di Napoli Federico II, Max-Planck-Institut für Plasmaphysik [Garching] ( IPP ), Università degli studi di Catania [Catania], National Institute for Fusion Science, National Institutes of Natural Sciences, Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), School of Geography, Earth and Environmental Sciences, ITER Organization, Karlsruhe Institute of Technology ( KIT ), Laboratoire de Nanotechnologie et d'Instrumentation Optique ( LNIO ), Institut Charles Delaunay ( ICD ), Université de Technologie de Troyes ( UTT ) -Centre National de la Recherche Scientifique ( CNRS ) -Université de Technologie de Troyes ( UTT ) -Centre National de la Recherche Scientifique ( CNRS ), Institut de Chimie des Substances Naturelles ( ICSN ), Centre National de la Recherche Scientifique ( CNRS ), Institut de Recherche sur la Fusion par confinement Magnétique ( IRFM ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), European Fusion Development Agreement [Garching bei München] ( EFDA-CSU ), Service de cardiologie [Toulouse], Université Paul Sabatier - Toulouse 3 ( UPS ) -CHU Toulouse [Toulouse]-Hôpital de Rangueil, ITER [St. Paul-lez-Durance], ITER, Polska Akademia Nauk ( PAN ), Laboratoire de recherche en Hydrodynamique, Énergétique et Environnement Atmosphérique ( LHEEA ), École Centrale de Nantes ( ECN ) -Centre National de la Recherche Scientifique ( CNRS ), MSL, Lviv Polytechnic National University ( MSL ), Lviv Polytechnic National University, Centre d'études et de recherches appliquées à la gestion ( CERAG ), Université Pierre Mendès France - Grenoble 2 ( UPMF ) -Centre National de la Recherche Scientifique ( CNRS ), Institute of Energy and Climate Research - Plasma Physics ( IEK-4 ), Forschungszentrum Jülich GmbH, National Academy of Sciences of Ukraine ( NASU ), Lille - Economie et Management ( LEM ), Université catholique de Lille ( UCL ) -Université de Lille-Centre National de la Recherche Scientifique ( CNRS ), Czech Academy of Sciences [Prague] ( ASCR ), Physique des interactions ioniques et moléculaires ( PIIM ), Aix Marseille Université ( AMU ) -Centre National de la Recherche Scientifique ( CNRS ), Département Méthodes et Modèles Mathématiques pour l'Industrie ( 3MI-ENSMSE ), École des Mines de Saint-Étienne ( Mines Saint-Étienne MSE ), Institut Mines-Télécom [Paris]-Institut Mines-Télécom [Paris]-Centre G2I, Laboratoire de microbiologie et génétique moléculaires ( LMGM ), Université Paul Sabatier - Toulouse 3 ( UPS ) -Centre National de la Recherche Scientifique ( CNRS ), University of Nevada, Institute of Plasma Physics and Laser Microfusion [Warsaw] ( IPPLM ), UCL Department of Space and Climate Physics, University College of London [London] ( UCL ), Astrophysics Research Centre [Belfast] ( ARC ), Queen's University [Belfast] ( QUB ), Laboratoire d'Electronique et des Technologies de l'Information ( CEA-LETI ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Grenoble Alpes [Saint Martin d'Hères], Cardiff School of Mathematics, Laboratoire de physique des plasmas de l'ERM, Laboratorium voor plasmafysica van de KMS ( LPP ERM KMS ), Ecole Royale Militaire / Koninklijke Militaire School ( ERM KMS ), Paul-Drude-Institut für Festkörperelektronik, University of Basel ( Unibas ), Dutch Institute for Fundamental Energy Research [Nieuwegein] ( DIFFER ), Dutch Institute for Fundamental Energy Research [Eindhoven] ( DIFFER ), Institut Jean Lamour ( IJL ), Centre National de la Recherche Scientifique ( CNRS ) -Université de Lorraine ( UL ), Dipartimento di Energia, Politecnico di Milano [Milan], Max Planck Institute for Plasma Physics, Laboratoire de Mécanique, Modélisation et Procédés Propres ( M2P2 ), Aix Marseille Université ( AMU ) -Ecole Centrale de Marseille ( ECM ) -Centre National de la Recherche Scientifique ( CNRS ), Universitat Politècnica de Catalunya. Departament de Física, Universitat Politècnica de Catalunya. ANT - Advanced Nuclear Technologies Research Group, JET Contributors, Litaudon, X, Abduallev, S, Abhangi, M, Abreu, P, Afzal, M, Aggarwal, K, Ahlgren, T, Ahn, J, Aho Mantila, L, Aiba, N, Airila, M, Albanese, R, Aldred, V, Alegre, D, Alessi, E, Aleynikov, P, Alfier, A, Alkseev, A, Allinson, M, Alper, B, Alves, E, Ambrosino, G, Ambrosino, R, Amicucci, L, Amosov, V, Andersson SundÃ©n, E, Angelone, M, Anghel, M, Angioni, C, Appel, L, Appelbee, C, Arena, P, Ariola, M, Arnichand, H, Arshad, S, Ash, A, Ashikawa, N, Aslanyan, V, Asunta, O, Auriemma, F, Austin, Y, Avotina, L, Axton, M, Ayres, C, Bacharis, M, Baciero, A, Baiã¡o, D, Bailey, S, Baker, A, Balboa, I, Balden, M, Balshaw, N, Bament, R, Banks, J, Baranov, Y, Barnard, M, Barnes, D, Barnes, M, Barnsley, R, Baron Wiechec, A, Barrera Orte, L, Baruzzo, M, Basiuk, V, Bassan, M, Bastow, R, Batista, A, Batistoni, P, Baughan, R, Bauvir, B, Baylor, L, Bazylev, B, Beal, J, Beaumont, P, Beckers, M, Beckett, B, Becoulet, A, Bekris, N, Beldishevski, M, Bell, K, Belli, F, Bellinger, M, Belonohy, Ã, Ben Ayed, N, Benterman, N, Bergsã¥ker, H, Bernardo, J, Bernert, M, Berry, M, Bertalot, L, Besliu, C, Beurskens, M, Bieg, B, Bielecki, J, Biewer, T, Bigi, M, Bãlkovã¡, P, Binda, F, Bisoffi, A, Bizarro, J, Bjã¶rkas, C, Blackburn, J, Blackman, K, Blackman, T, Blanchard, P, Blatchford, P, Bobkov, V, Boboc, A, Bodnã¡r, G, Bogar, O, Bolshakova, I, Bolzonella, T, Bonanomi, N, Bonelli, F, Boom, J, Booth, J, Borba, D, Borodin, D, Borodkina, I, Botrugno, A, Bottereau, C, Boulting, P, Bourdelle, C, Bowden, M, Bower, C, Bowman, C, Boyce, T, Boyd, C, Boyer, H, Bradshaw, J, Braic, V, Bravanec, R, Breizman, B, Bremond, S, Brennan, P, Breton, S, Brett, A, Brezinsek, S, Bright, M, Brix, M, Broeckx, W, Brombin, M, Broså‚awski, A, Brown, D, Brown, M, Bruno, E, Bucalossi, J, Buch, J, Buchanan, J, Buckley, M, Budny, R, Bufferand, H, Bulman, M, Bulmer, N, Bunting, P, Buratti, P, Burckhart, A, Buscarino, A, Busse, A, Butler, N, Bykov, I, Byrne, J, Cahyna, P, Calabrã², G, Calvo, I, Camenen, Y, Camp, P, Campling, D, Cane, J, Cannas, B, Capel, A, Card, P, Cardinali, A, Carman, P, Carr, M, Carralero, D, Carraro, L, Carvalho, B, Carvalho, I, Carvalho, P, Casson, F, Castaldo, C, Catarino, N, Caumont, J, Causa, F, Cavazzana, R, Cave Ayland, K, Cavinato, M, Cecconello, M, Ceccuzzi, S, Cecil, E, Cenedese, A, Cesario, R, Challis, C, Chandler, M, Chandra, D, Chang, C, Chankin, A, Chapman, I, Chapman, S, Chernyshova, M, Chitarin, G, Ciraolo, G, Ciric, D, Citrin, J, Clairet, F, Clark, E, Clark, M, Clarkson, R, Clatworthy, D, Clements, C, Cleverly, M, Coad, J, Coates, P, Cobalt, A, Coccorese, V, Cocilovo, V, Coda, S, Coelho, R, Coenen, J, Coffey, I, Colas, L, Collins, S, Conka, D, Conroy, S, Conway, N, Coombs, D, Cooper, D, Cooper, S, Corradino, C, Corre, Y, Corrigan, G, Cortes, S, Coster, D, Couchman, A, Cox, M, Craciunescu, T, Cramp, S, Craven, R, Crisanti, F, Croci, G, Croft, D, Crombã©, K, Crowe, R, Cruz, N, Cseh, G, Cufar, A, Cullen, A, Curuia, M, Czarnecka, A, Dabirikhah, H, Dalgliesh, P, Dalley, S, Dankowski, J, Darrow, D, Davies, O, Davis, W, Day, C, Day, I, De Bock, M, De Castro, A, De La Cal, E, De La Luna, E, De Masi, G, De Pablos, J, De Temmerman, G, De Tommasi, G, De Vries, P, Deakin, K, Deane, J, Degli Agostini, F, Dejarnac, R, Delabie, E, Den Harder, N, Dendy, R, Denis, J, Denner, P, Devaux, S, Devynck, P, Di Maio, F, Di Siena, A, Di Troia, C, Dinca, P, D'Inca, R, Ding, B, Dittmar, T, Doerk, H, Doerner, R, Donnã©, T, Dorling, S, Dormido Canto, S, Doswon, S, Douai, D, Doyle, P, Drenik, A, Drewelow, P, Drews, P, Duckworth, P, Dumont, R, Dumortier, P, Dunai, D, Dunne, M, Äžuran, I, Durodiã©, F, Dutta, P, Duval, B, Dux, R, Dylst, K, Dzysiuk, N, Edappala, P, Edmond, J, Edwards, A, Edwards, J, Eich, T, Ekedahl, A, El Jorf, R, Elsmore, C, Enachescu, M, Ericsson, G, Eriksson, F, Eriksson, J, Eriksson, L, Esposito, B, Esquembri, S, Esser, H, Esteve, D, Evans, B, Evans, G, Evison, G, Ewart, G, Fagan, D, Faitsch, M, Falie, D, Fanni, A, Fasoli, A, Faustin, J, Fawlk, N, Fazendeiro, L, Fedorczak, N, Felton, R, Fenton, K, Fernades, A, Fernandes, H, Ferreira, J, Fessey, J, Fã©vrier, O, Ficker, O, Field, A, Fietz, S, Figueiredo, A, Figueiredo, J, Fil, A, Finburg, P, Firdaouss, M, Fischer, U, Fittill, L, Fitzgerald, M, Flammini, D, Flanagan, J, Fleming, C, Flinders, K, Fonnesu, N, Fontdecaba, J, Formisano, A, Forsythe, L, Fortuna, L, Fortuna Zalesna, E, Fortune, M, Foster, S, Franke, T, Franklin, T, Frasca, M, Frassinetti, L, Freisinger, M, Fresa, R, Frigione, D, Fuchs, V, Fuller, D, Futatani, S, Fyvie, J, Gã¡l, K, Galassi, D, Gaå‚azka, K, Galdon Quiroga, J, Gallagher, J, Gallart, D, Galvã¡o, R, Gao, X, Gao, Y, Garcia, J, Garcia Carrasco, A, GarcÃa MuÃ±oz, M, Gardarein, J, Garzotti, L, Gaudio, P, Gauthier, E, Gear, D, Gee, S, Geiger, B, Gelfusa, M, Gerasimov, S, Gervasini, G, Gethins, M, Ghani, Z, Ghate, M, Gherendi, M, Giacalone, J, Giacomelli, L, Gibson, C, Giegerich, T, Gil, C, Gil, L, Gilligan, S, Gin, D, Giovannozzi, E, Girardo, J, Giroud, C, Giruzzi, G, Glã¶ggler, S, Godwin, J, Goff, J, Gohil, P, Goloborod'Ko, V, Gomes, R, Goncalves, B, Goniche, M, Goodliffe, M, Goodyear, A, Gorini, G, Gosk, M, Goulding, R, Goussarov, A, Gowland, R, Graham, B, Graham, M, Graves, J, Grazier, N, Grazier, P, Green, N, Greuner, H, Grierson, B, Griph, F, Grisolia, C, Grist, D, Groth, M, Grove, R, Grundy, C, Grzonka, J, Guard, D, Guã©rard, C, Guillemaut, C, Guirlet, R, Gurl, C, Utoh, H, Hackett, L, Hacquin, S, Hagar, A, Hager, R, Hakola, A, Halitovs, M, Hall, S, Hallworth Cook, S, Hamlyn Harris, C, Hammond, K, Harrington, C, Harrison, J, Harting, D, Hasenbeck, F, Hatano, Y, Hatch, D, Haupt, T, Hawes, J, Hawkes, N, Hawkins, J, Hawkins, P, Haydon, P, Hayter, N, Hazel, S, Heesterman, P, Heinola, K, Hellesen, C, Hellsten, T, Helou, W, Hemming, O, Hender, T, Henderson, M, Henderson, S, Henriques, R, Hepple, D, Hermon, G, Hertout, P, Hidalgo, C, Highcock, E, Hill, M, Hillairet, J, Hillesheim, J, Hillis, D, Hizanidis, K, Hjalmarsson, A, Hobirk, J, Hodille, E, Hogben, C, Hogeweij, G, Hollingsworth, A, Hollis, S, Homfray, D, Horã¡ä ek, J, Hornung, G, Horton, A, Horton, L, Horvath, L, Hotchin, S, Hough, M, Howarth, P, Hubbard, A, Huber, A, Huber, V, Huddleston, T, Hughes, M, Huijsmans, G, Hunter, C, Huynh, P, Hynes, A, Iglesias, D, Imazawa, N, Imbeaux, F, Imrãå¡ek, M, Incelli, M, Innocente, P, Irishkin, M, Ivanova Stanik, I, Jachmich, S, Jacobsen, A, Jacquet, P, Jansons, J, Jardin, A, Jã¤rvinen, A, Jaulmes, F, Jednorã³g, S, Jenkins, I, Jeong, C, Jepu, I, Joffrin, E, Johnson, R, Johnson, T, Johnston, J, Joita, L, Jones, G, Jones, T, Hoshino, K, Kallenbach, A, Kamiya, K, Kaniewski, J, Kantor, A, Kappatou, A, Karhunen, J, Karkinsky, D, Karnowska, I, Kaufman, M, Kaveney, G, Kazakov, Y, Kazantzidis, V, Keeling, D, Keenan, T, Keep, J, Kempenaars, M, Kennedy, C, Kenny, D, Kent, J, Kent, O, Khilkevich, E, Kim, H, Kinch, A, King, C, King, D, King, R, Kinna, D, Kiptily, V, Kirk, A, Kirov, K, Kirschner, A, Kizane, G, Klepper, C, Klix, A, Knight, P, Knipe, S, Knott, S, Kobuchi, T, Kã¶chl, F, Kocsis, G, Kodeli, I, Kogan, L, Kogut, D, Koivuranta, S, Kominis, Y, Kã¶ppen, M, Kos, B, Koskela, T, Koslowski, H, Koubiti, M, Kovari, M, Kowalska StrzÈ©ciwilk, E, Krasilnikov, A, Krasilnikov, V, Krawczyk, N, Kresina, M, Krieger, K, Krivska, A, Kruezi, U, Ksiaå¼ek, I, Kukushkin, A, Kundu, A, Kurki Suonio, T, Kwak, S, Kwiatkowski, R, Kwon, O, Laguardia, L, Lahtinen, A, Laing, A, Lam, N, Lambertz, H, Lane, C, Lang, P, Lanthaler, S, Lapins, J, Lasa, A, Last, J, Å aszyå„ska, E, Lawless, R, Lawson, A, Lawson, K, Lazaros, A, Lazzaro, E, Leddy, J, Lee, S, Lefebvre, X, Leggate, H, Lehmann, J, Lehnen, M, Leichtle, D, Leichuer, P, Leipold, F, Lengar, I, Lennholm, M, Lerche, E, Lescinskis, A, Lesnoj, S, Letellier, E, Leyland, M, Leysen, W, Li, L, Liang, Y, Likonen, J, Linke, J, Linsmeier, C, Lipschultz, B, Liu, G, Liu, Y, Lo Schiavo, V, Loarer, T, Loarte, A, Lobel, R, Lomanowski, B, Lomas, P, Lã¶nnroth, J, Lã³pez, J, LÃ³pez Razola, J, Lorenzini, R, Losada, U, Lovell, J, Loving, A, Lowry, C, Luce, T, Lucock, R, Lukin, A, Luna, C, Lungaroni, M, Lungu, C, Lungu, M, Lunniss, A, Lupelli, I, Lyssoivan, A, Macdonald, N, Macheta, P, Maczewa, K, Magesh, B, Maget, P, Maggi, C, Maier, H, Mailloux, J, Makkonen, T, Makwana, R, Malaquias, A, Malizia, A, Manas, P, Manning, A, Manso, M, Mantica, P, Mantsinen, M, Manzanares, A, Maquet, P, Marandet, Y, Marcenko, N, Marchetto, C, Marchuk, O, Marinelli, M, Marinucci, M, Markoviä , T, Marocco, D, Marot, L, Marren, C, Marshal, R, Martin, A, Martin, Y, MartÃn De Aguilera, A, Martãnez, F, MartÃn SolÃs, J, Martynova, Y, Maruyama, S, Masiello, A, Maslov, M, Matejcik, S, Mattei, M, Matthews, G, Maviglia, F, Mayer, M, Mayoral, M, May Smith, T, Mazon, D, Mazzotta, C, Mcadams, R, Mccarthy, P, Mcclements, K, Mccormack, O, Mccullen, P, Mcdonald, D, Mcintosh, S, Mckean, R, Mckehon, J, Meadows, R, Meakins, A, Medina, F, Medland, M, Medley, S, Meigh, S, Meigs, A, Meisl, G, Meitner, S, Meneses, L, Menmuir, S, Mergia, K, Merrigan, I, Mertens, P, Meshchaninov, S, Messiaen, A, Meyer, H, Mianowski, S, Michling, R, Middleton Gear, D, Miettunen, J, Militello, F, Militello Asp, E, Miloshevsky, G, Mink, F, Minucci, S, Miyoshi, Y, Mlynã¡å™, J, Molina, D, Monakhov, I, Moneti, M, Mooney, R, Moradi, S, Mordijck, S, Moreira, L, Moreno, R, Moro, F, Morris, A, Morris, J, Moser, L, Mosher, S, Moulton, D, Murari, A, Muraro, A, Murphy, S, Asakura, N, Na, Y, Nabais, F, Naish, R, Nakano, T, Nardon, E, Naulin, V, Nave, M, Nedzelski, I, Nemtsev, G, Nespoli, F, Neto, A, Neu, R, Neverov, V, Newman, M, Nicholls, K, Nicolas, T, Nielsen, A, Nielsen, P, Nilsson, E, Nishijima, D, Noble, C, Nocente, M, Nodwell, D, Nordlund, K, Nordman, H, Nouailletas, R, Nunes, I, Oberkofler, M, Odupitan, T, Ogawa, M, O'Gorman, T, Okabayashi, M, Olney, R, Omolayo, O, O'Mullane, M, Ongena, J, Orsitto, F, Orszagh, J, Oswuigwe, B, Otin, R, Owen, A, Paccagnella, R, Pace, N, Pacella, D, Packer, L, Page, A, Pajuste, E, Palazzo, S, Pamela, S, Panja, S, Papp, P, Paprok, R, Parail, V, Park, M, Parra Diaz, F, Parsons, M, Pasqualotto, R, Patel, A, Pathak, S, Paton, D, Patten, H, Pau, A, Pawelec, E, Paz Soldan, C, Peackoc, A, Pearson, I, Pehkonen, S, Peluso, E, Penot, C, Pereira, A, Pereira, R, Pereira Puglia, P, Perez Von Thun, C, Peruzzo, S, Peschanyi, S, Peterka, M, Petersson, P, Petravich, G, Petre, A, Petrella, N, Petrå¾ilka, V, Peysson, Y, Pfefferlã©, D, Philipps, V, Pillon, M, Pintsuk, G, Piovesan, P, Pires Dos Reis, A, Piron, L, Pironti, A, Pisano, F, Pitts, R, Pizzo, F, Plyusnin, V, Pomaro, N, Pompilian, O, Pool, P, Popovichev, S, Porfiri, M, Porosnicu, C, Porton, M, Possnert, G, Potzel, S, Powell, T, Pozzi, J, Prajapati, V, Prakash, R, Prestopino, G, Price, D, Price, M, Price, R, Prior, P, Proudfoot, R, Pucella, G, Puglia, P, Puiatti, M, Pulley, D, Purahoo, K, Pã¼tterich, T, Rachlew, E, Rack, M, Ragona, R, Rainford, M, Rakha, A, Ramogida, G, Ranjan, S, Rapson, C, 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D., Strachan, J., Strand, P., Strauss, H. R., Ström, P., Stubbs, G., Studholme, W., Subba, F., Summers, H. P., Svensson, J., Świderski, Ł., Szabolics, T., Szawlowski, M., Szepesi, G., Suzuki, T. T., Tál, B., Tala, T., Talbot, A. R., Talebzadeh, S., Taliercio, C., Tamain, P., Tame, C., Tang, W., Tardocchi, M., Taroni, L., Taylor, D., Taylor, K. A., Tegnered, D., Telesca, G., Teplova, N., Terranova, D., Testa, D., Tholerus, E., Thomas, J., Thomas, J. D., Thomas, P., Thompson, A., Thompson, C. -A., Thompson, V. K., Thorne, L., Thornton, A., Thrysøe, A. S., Tigwell, P. A., Tipton, N., Tiseanu, I., Tojo, H., Tokitani, M., Tolias, P., Tomeš, M., Tonner, P., Towndrow, M., Trimble, P., Tripsky, M., Tsalas, M., Tsavalas, P., Tskhakaya jun, D., Turner, I., Turner, M. M., Turnyanskiy, M., Tvalashvili, G., Tyrrell, S. G. J., Uccello, A., Ul-Abidin, Z., Uljanovs, J., Ulyatt, D., Urano, H., Uytdenhouwen, I., Vadgama, A. 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W., Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC), Hôpital de Rangueil, CHU Toulouse [Toulouse]-CHU Toulouse [Toulouse], Laboratoire de microbiologie et génétique moléculaires (LMGM), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Université de Lorraine (UL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Dipartimento di Energia [Milano] (DENG), Centre National de la Recherche Scientifique (CNRS)-École Centrale de Marseille (ECM)-Aix Marseille Université (AMU), Research Centre Julich (FZJ), Institute for Plasma Research, Instituto Superior Tecnico Lisboa, Queen's University Belfast, University of Helsinki, CEA, Department of Applied Physics, School services, SCI, National Institutes for Quantum and Radiological Science and Technology, VTT, University of Naples Federico II, Universidad Nacional de Educacion a Distancia, CNR, Russian Research Centre Kurchatov Institute, Universita degli Studi di Napoli Parthenope, Ente Per Le Nuove Tecnologie L'energia e l'ambiente, Troitsk Institute for Innovation and Fusion Research, Uppsala University, National Institute for Cryogenics and Isotopic Technology, Max-Planck-Institut fur Plasmaphysik, University of Catania, Fusion for Energy Joint Undertaking, National Institutes of Natural Sciences - National Institute for Fusion Science, Massachusetts Institute of Technology, University of Latvia, Imperial College London, CIEMAT, University of Oxford, EUROfusion Programme Management Unit, Oak Ridge National Laboratory, Karlsruhe Institute of Technology KIT, University of York, Royal Institute of Technology, Maritime University of Szczecin, H. Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences, Czech Academy of Sciences, University of Trento, Ecole Polytechnique Federale de Lausanne (EPFL), Wigner Research Centre for Physics, Comenius University, University of Milan - Bicocca, National Institute for Optoelectronics, Fourth State Research, University of Texas at Austin, Belgian Nuclear Research Center, National Centre for Nuclear Research (NCBJ), Princeton University, CNRS, University of Cagliari, University of Warwick, Soltan Institute for Nuclear Studies, FOM Institute DIFFER, National Institute for Laser, Plasma and Radiation Physics, Ghent University, J. Stefan Institute, Universite de Lorraine, CAS - Institute of Plasma Physics, University of California at San Diego, Koninklijke Militaire School - Ecole Royale Militaire, Horia Hulubei National Institute of Physics and Nuclear Engineering, Chalmers University of Technology, School services, ELEC, Department of Signal Processing and Acoustics, Automaatio- ja systeemitekniik, Universidad Politecnica de Madrid, Second University of Naples, Warsaw University of Technology, Universita della Basilicata, Barcelona Supercomp. Center, Universidad de Sevilla, Centro Brasileiro de Pesquisas Fisicas, Department of Electrical Engineering and Automation, Sähkötekniikan laitos, University of Rome Tor Vergata, RAS - Ioffe Physico Technical Institute, General Atomics, University of Innsbruck, Fusion and Plasma Physics, University of Toyama, University of Strathclyde, National Technical University of Athens, Universita della Tuscia, Technical University of Denmark, Korea Advanced Institute of Science and Technology, Seoul National University, University College Cork, Vienna University of Technology, University of Opole, Daegu University, National Fusion Research Institute, Dublin City University, Universidad Politécnica de Madrid, PELIN LLC, Arizona State University, Universidad Complutense, University of Basel, Universidad Carlos III de Madrid, Consorzio CREATE, Demokritos National Centre for Scientific Research, Purdue University, Universite Libre de Bruxelles, School Services, ARTS, Department of Design, University of California Office of the President, Universidade de Sao Paulo, School Services, BIZ, Department of Information and Service Management, Lithuanian Energy Institute, HRS Fusion, Politecnico di Torino, University of Cassino, University of Electronic Science and Technology of China, Department of Electronics and Nanoengineering, Aalto-yliopisto, Aalto University, and Faculdade de Engenharia
Subjects: Technology, fusion, Física [Ciências exactas e naturais], Tokamak, Nuclear engineering, DIAGNOSTICS, 01 natural sciences, ILW, 010305 fluids & plasmas, law.invention, Ilw, [SPI.MECA.MEFL]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Fluids mechanics [physics.class-ph], Plasma, H-Mode Plasmas, law, ITER, Disruption Prediction, COLLISIONALITY, EDGE LOCALIZED MODES, Diagnostics, Operation, JET, plasma, Nuclear and High Energy Physics, Condensed Matter Physics, Physics, Jet (fluid), JET, plasma, fusion, ITER, Divertor, Settore FIS/01 - Fisica Sperimentale, Fusion, Plasma and Space Physics, DENSITY PEAKING, Carbon Wall, H-MODE PLASMAS, [ SPI.MECA.MEFL ] Engineering Sciences [physics]/Mechanics [physics.med-ph]/Fluids mechanics [physics.class-ph], Density Peaking, Neutron transport, Facing Components, Collisionality, 114 Physical sciences, Física, Física, Nuclear physics, Physical sciences [Natural sciences], Fusion, plasma och rymdfysik, Pedestal, 0103 physical sciences, Nuclear fusion, ddc:530, Neutron, 010306 general physics, Fusion, Physics, Physical sciences, Nuclear and High Energy Physic, Edge Localized Modes, QC717, Física [Àrees temàtiques de la UPC], Reactors de fusió, Física, FACING COMPONENTS, Fusion reactors, Jet, CARBON WALL, DISRUPTION PREDICTION, OPERATION, ddc:600
Abstract: The 2014–2016 JET results are reviewed in the light of their significance for optimising the ITER research plan for the active and non-active operation. More than 60 h of plasma operation with ITER first wall materials successfully took place since its installation in 2011. New multi-machine scaling of the type I-ELM divertor energy flux density to ITER is supported by first principle modelling. ITER relevant disruption experiments and first principle modelling are reported with a set of three disruption mitigation valves mimicking the ITER setup. Insights of the L–H power threshold in Deuterium and Hydrogen are given, stressing the importance of the magnetic configurations and the recent measurements of fine-scale structures in the edge radial electric. Dimensionless scans of the core and pedestal confinement provide new information to elucidate the importance of the first wall material on the fusion performance. H-mode plasmas at ITER triangularity (H = 1 at ßN ~ 1.8 and n/nGW ~ 0.6) have been sustained at 2 MA during 5 s. The ITER neutronics codes have been validated on high performance experiments. Prospects for the coming D–T campaign and 14 MeV neutron calibration strategy are reviewed. This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014–2018 under grant agreement No 633053. Peer Reviewed Article signat per 1.173 autors/es: X. Litaudon35, S. Abduallev39, M. Abhangi46, P. Abreu53, M. Afzal7, K.M. Aggarwal29, T. Ahlgren101, J.H. Ahn8, L. Aho-Mantila112, N. Aiba69, M. Airila112, R. Albanese105, V. Aldred7, D. Alegre93, E. Alessi45, P. Aleynikov55, A. Alfier12, A. Alkseev72, M. Allinson7, B. Alper7, E. Alves53, G. Ambrosino105, R. Ambrosino106, L. Amicucci90, V. Amosov88, E. Andersson Sundén22, M. Angelone90, M. Anghel85, C. Angioni62, L. Appel7, C. Appelbee7, P. Arena30, M. Ariola106, H. Arnichand8, S. Arshad41, A. Ash7, N. Ashikawa68, V. Aslanyan64, O. Asunta1, F. Auriemma12, Y. Austin7, L. Avotina103, M.D. Axton7, C. Ayres7, M. Bacharis24, A. Baciero57, D. Baião53, S. Bailey7, A. Baker7, I. Balboa7, M. Balden62, N. Balshaw7, R. Bament7, J.W. Banks7, Y.F. Baranov7, M.A. Barnard7, D. Barnes7, M. Barnes27, R. Barnsley55, A. Baron Wiechec7, L. Barrera Orte34, M. Baruzzo12, V. Basiuk8, M. Bassan55, R. Bastow7, A. Batista53, P. Batistoni90, R. Baughan7, B. Bauvir55, L. Baylor73, B. Bazylev56, J. Beal110, P.S. Beaumont7, M. Beckers39, B. Beckett7, A. Becoulet8, N. Bekris35, M. Beldishevski7, K. Bell7, F. Belli90, M. Bellinger7, É. Belonohy62, N. Ben Ayed7, N.A. Benterman7, H. Bergsåker42, J. Bernardo53, M. Bernert62, M. Berry7, L. Bertalot55, C. Besliu7, M. Beurskens63, B. Bieg61, J. Bielecki47, T. Biewer73, M. Bigi12, P. Bílková50, F. Binda22, A. Bisoffi31, J.P.S. Bizarro53, C. Björkas101, J. Blackburn7, K. Blackman7, T.R. Blackman7, P. Blanchard33, P. Blatchford7, V. Bobkov62, A. Boboc7, G. Bodnár113, O. Bogar18, I. Bolshakova60, T. Bolzonella12, N. Bonanomi97, F. Bonelli56, J. Boom62, J. Booth7, D. Borba35,53, D. Borodin39, I. Borodkina39, A. Botrugno90, C. Bottereau8, P. Boulting7, C. Bourdelle8, M. Bowden7, C. Bower7, C. Bowman110, T. Boyce7, C. Boyd7, H.J. Boyer7, J.M.A. Bradshaw7, V. Braic87, R. Bravanec40, B. Breizman107, S. Bremond8, P.D. Brennan7, S. Breton8, A. Brett7, S. Brezinsek39, M.D.J. Bright7, M. Brix7, W. Broeckx78, M. Brombin12, A. Brosławski65, D.P.D. Brown7, M. Brown7, E. Bruno55, J. Bucalossi8, J. Buch46, J. Buchanan7, M.A. Buckley7, R. Budny76, H. Bufferand8, M. Bulman7, N. Bulmer7, P. Bunting7, P. Buratti90, A. Burckhart62, A. Buscarino30, A. Busse7, N.K. Butler7, I. Bykov42, J. Byrne7, P. Cahyna50, G. Calabrò90, I. Calvo57, Y. Camenen4, P. Camp7, D.C. Campling7, J. Cane7, B. Cannas17, A.J. Capel7, P.J. Card7, A. Cardinali90, P. Carman7, M. Carr7, D. Carralero62, L. Carraro12, B.B. Carvalho53, I. Carvalho53, P. Carvalho53, F.J. Casson7, C. Castaldo90, N. Catarino53, J. Caumont7, F. Causa90, R. Cavazzana12, K. Cave-Ayland7, M. Cavinato12, M. Cecconello22, S. Ceccuzzi90, E. Cecil76, A. Cenedese12, R. Cesario90, C.D. Challis7, M. Chandler7, D. Chandra46, C.S. Chang76, A. Chankin62, I.T. Chapman7, S.C. Chapman28, M. Chernyshova49, G. Chitarin12, G. Ciraolo8, D. Ciric7, J. Citrin38, F. Clairet8, E. Clark7, M. Clark7, R. Clarkson7, D. Clatworthy7, C. Clements7, M. Cleverly7, J.P. Coad7, P.A. Coates7, A. Cobalt7, V. Coccorese105, V. Cocilovo90, S. Coda33, R. Coelho53, J.W. Coenen39, I. Coffey29, L. Colas8, S. Collins7, D. Conka103, S. Conroy22, N. Conway7, D. Coombs7, D. Cooper7, S.R. Cooper7, C. Corradino30, Y. Corre8, G. Corrigan7, S. Cortes53, D. Coster62, A.S. Couchman7, M.P. Cox7, T. Craciunescu86, S. Cramp7, R. Craven7, F. Crisanti90, G. Croci97, D. Croft7, K. Crombé15, R. Crowe7, N. Cruz53, G. Cseh113, A. Cufar81, A. Cullen7, M. Curuia85, A. Czarnecka49, H. Dabirikhah7, P. Dalgliesh7, S. Dalley7, J. Dankowski47, D. Darrow76, O. Davies7, W. Davis55,76, C. Day56, I.E. Day7, M. De Bock55, A. de Castro57, E. de la Cal57, E. de la Luna57, G. De Masi12, J. L. de Pablos57, G. De Temmerman55, G. De Tommasi105, P. de Vries55, K. Deakin7, J. Deane7, F. Degli Agostini12, R. Dejarnac50, E. Delabie73, N. den Harder38, R.O. Dendy7, J. Denis8, P. Denner39, S. Devaux62,104, P. Devynck8, F. Di Maio55, A. Di Siena62, C. Di Troia90, P. Dinca86, R. D’Inca62, B. Ding51, T. Dittmar39, H. Doerk62, R.P. Doerner9, T. Donné34, S.E. Dorling7, S. Dormido-Canto93, S. Doswon7, D. Douai8, P.T. Doyle7, A. Drenik62,81, P. Drewelow63, P. Drews39, Ph. Duckworth55, R. Dumont8, P. Dumortier58, D. Dunai113, M. Dunne62, I. Ďuran50, F. Durodié58, P. Dutta46, B. P. Duval33, R. Dux62, K. Dylst78, N. Dzysiuk22, P.V. Edappala46, J. Edmond7, A.M. Edwards7, J. Edwards7, Th. Eich62, A. Ekedahl8, R. El-Jorf7, C.G. Elsmore7, M. Enachescu84, G. Ericsson22, F. Eriksson16, J. Eriksson22, L.G. Eriksson36, B. Esposito90, S. Esquembri94, H.G. Esser39, D. Esteve8, B. Evans7, G.E. Evans7, G. Evison7, G.D. Ewart7, D. Fagan7, M. Faitsch62, D. Falie86, A. Fanni17, A. Fasoli33, J. M. Faustin33, N. Fawlk7, L. Fazendeiro53, N. Fedorczak8, R.C. Felton7, K. Fenton7, A. Fernades53, H. Fernandes53, J. Ferreira53, J.A. Fessey7, O. Février8, O. Ficker50, A. Field7, S. Fietz62, A. Figueiredo53, J. Figueiredo53,35, A. Fil8, P. Finburg7, M. Firdaouss8, U. Fischer56, L. Fittill7, M. Fitzgerald7, D. Flammini90, J. Flanagan7, C. Fleming7, K. Flinders7, N. Fonnesu90, J. M. Fontdecaba57, A. Formisano79, L. Forsythe7, L. Fortuna30, E. Fortuna-Zalesna19, M. Fortune7, S. Foster7, T. Franke34, T. Franklin7, M. Frasca30, L. Frassinetti42, M. Freisinger39, R. Fresa98, D. Frigione90, V. Fuchs50, D. Fuller35, S. Futatani6, J. Fyvie7, K. Gál34,62, D. Galassi2, K. Gałązka49, J. Galdon-Quiroga92, J. Gallagher7, D. Gallart6, R. Galvão10, X. Gao51, Y. Gao39, J. Garcia8, A. Garcia-Carrasco42, M. García-Muñoz92, J.-L. Gardarein3, L. Garzotti7, P. Gaudio95, E. Gauthier8, D.F. Gear7, S.J. Gee7, B. Geiger62, M. Gelfusa95, S. Gerasimov7, G. Gervasini45, M. Gethins7, Z. Ghani7, M. Ghate46, M. Gherendi86, J.C. Giacalone8, L. Giacomelli45, C.S. Gibson7, T. Giegerich56, C. Gil8, L. Gil53, S. Gilligan7, D. Gin54, E. Giovannozzi90, J.B. Girardo8, C. Giroud7, G. Giruzzi8, S. Glöggler62, J. Godwin7, J. Goff7, P. Gohil43, V. Goloborod’ko102, R. Gomes53, B. Gonçalves53, M. Goniche8, M. Goodliffe7, A. Goodyear7, G. Gorini97, M. Gosk65, R. Goulding76, A. Goussarov78, R. Gowland7, B. Graham7, M.E. Graham7, J. P. Graves33, N. Grazier7, P. Grazier7, N.R. Green7, H. Greuner62, B. Grierson76, F.S. Griph7, C. Grisolia8, D. Grist7, M. Groth1, R. Grove73, C.N. Grundy7, J. Grzonka19, D. Guard7, C. Guérard34, C. Guillemaut8,53, R. Guirlet8, C. Gurl7, H.H. Utoh69, L.J. Hackett7, S. Hacquin8,35, A. Hagar7, R. Hager76, A. Hakola112, M. Halitovs103, S.J. Hall7, S.P. Hallworth Cook7, C. Hamlyn-Harris7, K. Hammond7, C. Harrington7, J. Harrison7, D. Harting7, F. Hasenbeck39, Y. Hatano108, D.R. Hatch107, T.D.V. Haupt7, J. Hawes7, N.C. Hawkes7, J. Hawkins7, P. Hawkins7, P.W. Haydon7, N. Hayter7, S. Hazel7, P.J.L. Heesterman7, K. Heinola101, C. Hellesen22, T. Hellsten42, W. Helou8, O.N. Hemming7, T.C. Hender7, M. Henderson55, S.S. Henderson21, R. Henriques53, D. Hepple7, G. Hermon7, P. Hertout8, C. Hidalgo57, E.G. Highcock27, M. Hill7, J. Hillairet8, J. Hillesheim7, D. Hillis73, K. Hizanidis70, A. Hjalmarsson22, J. Hobirk62, E. Hodille8, C.H.A. Hogben7, G.M.D. Hogeweij38, A. Hollingsworth7, S. Hollis7, D.A. Homfray7, J. Horáček50, G. Hornung15, A.R. Horton7, L.D. Horton36, L. Horvath110, S.P. Hotchin7, M.R. Hough7, P.J. Howarth7, A. Hubbard64, A. Huber39, V. Huber39, T.M. Huddleston7, M. Hughes7, G.T.A. Huijsmans55, C.L. Hunter7, P. Huynh8, A.M. Hynes7, D. Iglesias7, N. Imazawa69, F. Imbeaux8, M. Imríšek50, M. Incelli109, P. Innocente12, M. Irishkin8, I. Ivanova-Stanik49, S. Jachmich58,35, A.S. Jacobsen83, P. Jacquet7, J. Jansons103, A. Jardin8, A. Järvinen1, F. Jaulmes38, S. Jednoróg49, I. Jenkins7, C. Jeong20, I. Jepu86, E. Joffrin8, R. Johnson7, T. Johnson42, Jane Johnston7, L. Joita7, G. Jones7, T.T.C. Jones7, K.K. Hoshino69, A. Kallenbach62, K. Kamiya69, J. Kaniewski7, A. Kantor7, A. Kappatou62, J. Karhunen1, D. Karkinsky7, I. Karnowska7, M. Kaufman73, G. Kaveney7, Y. Kazakov58, V. Kazantzidis70, D.L. Keeling7, T. Keenan7, J. Keep7, M. Kempenaars7, C. Kennedy7, D. Kenny7, J. Kent7, O.N. Kent7, E. Khilkevich54, H.T. Kim35, H.S. Kim80, A. Kinch7, C. king7, D. King7, R.F. King7, D.J. Kinna7, V. Kiptily7, A. Kirk7, K. Kirov7, A. Kirschner39, G. Kizane103, C. Klepper73, A. Klix56, P. Knight7, S.J. Knipe7, S. Knott96, T. Kobuchi69, F. Köchl111, G. Kocsis113, I. Kodeli81, L. Kogan7, D. Kogut8, S. Koivuranta112, Y. Kominis70, M. Köppen39, B. Kos81, T. Koskela1, H.R. Koslowski39, M. Koubiti4, M. Kovari7, E. Kowalska-Strzęciwilk49, A. Krasilnikov88, V. Krasilnikov88, N. Krawczyk49, M. Kresina8, K. Krieger62, A. Krivska58, U. Kruezi7, I. Książek48, A. Kukushkin72, A. Kundu46, T. Kurki-Suonio1, S. Kwak20, R. Kwiatkowski65, O.J. Kwon13, L. Laguardia45, A. Lahtinen101, A. Laing7, N. Lam7, H.T. Lambertz39, C. Lane7, P.T. Lang62, S. Lanthaler33, J. Lapins103, A. Lasa101, J.R. Last7, E. Łaszyńska49, R. Lawless7, A. Lawson7, K.D. Lawson7, A. Lazaros70, E. Lazzaro45, J. Leddy110, S. Lee66, X. Lefebvre7, H.J. Leggate32, J. Lehmann7, M. Lehnen55, D. Leichtle41, P. Leichuer7, F. Leipold55,83, I. Lengar81, M. Lennholm36, E. Lerche58, A. Lescinskis103, S. Lesnoj7, E. Letellier7, M. Leyland110, W. Leysen78, L. Li39, Y. Liang39, J. Likonen112, J. Linke39, Ch. Linsmeier39, B. Lipschultz110, G. Liu55, Y. Liu51, V.P. Lo Schiavo105, T. Loarer8, A. Loarte55, R.C. Lobel7, B. Lomanowski1, P.J. Lomas7, J. Lönnroth1,35, J. M. López94, J. López-Razola57, R. Lorenzini12, U. Losada57, J.J. Lovell7, A.B. Loving7, C. Lowry36, T. Luce43, R.M.A. Lucock7, A. Lukin74, C. Luna5, M. Lungaroni95, C.P. Lungu86, M. Lungu86, A. Lunniss110, I. Lupelli7, A. Lyssoivan58, N. Macdonald7, P. Macheta7, K. Maczewa7, B. Magesh46, P. Maget8, C. Maggi7, H. Maier62, J. Mailloux7, T. Makkonen1, R. Makwana46, A. Malaquias53, A. Malizia95, P. Manas4, A. Manning7, M.E. Manso53, P. Mantica45, M. Mantsinen6, A. Manzanares91, Ph. Maquet55, Y. Marandet4, N. Marcenko88, C. Marchetto45, O. Marchuk39, M. Marinelli95, M. Marinucci90, T. Markovič50, D. Marocco90, L. Marot26, C.A. Marren7, R. Marshal7, A. Martin7, Y. Martin33, A. Martín de Aguilera57, F.J. Martínez93, J. R. Martín-Solís14, Y. Martynova39, S. Maruyama55, A. Masiello12, M. Maslov7, S. Matejcik18, M. Mattei79, G.F. Matthews7, F. Maviglia11, M. Mayer62, M.L. Mayoral34, T. May-Smith7, D. Mazon8, C. Mazzotta90, R. McAdams7, P.J. McCarthy96, K.G. McClements7, O. McCormack12, P.A. McCullen7, D. McDonald34, S. McIntosh7, R. McKean7, J. McKehon7, R.C. Meadows7, A. Meakins7, F. Medina57, M. Medland7, S. Medley7, S. Meigh7, A.G. Meigs7, G. Meisl62, S. Meitner73, L. Meneses53, S. Menmuir7,42, K. Mergia71, I.R. Merrigan7, Ph. Mertens39, S. Meshchaninov88, A. Messiaen58, H. Meyer7, S. Mianowski65, R. Michling55, D. Middleton-Gear7, J. Miettunen1, F. Militello7, E. Militello-Asp7, G. Miloshevsky77, F. Mink62, S. Minucci105, Y. Miyoshi69, J. Mlynář50, D. Molina8, I. Monakhov7, M. Moneti109, R. Mooney7, S. Moradi37, S. Mordijck43, L. Moreira7, R. Moreno57, F. Moro90, A.W. Morris7, J. Morris7, L. Moser26, S. Mosher73, D. Moulton7,1, A. Murari12,35, A. Muraro45, S. Murphy7, N.N. Asakura69, Y.S. Na80, F. Nabais53, R. Naish7, T. Nakano69, E. Nardon8, V. Naulin83, M.F.F. Nave53, I. Nedzelski53, G. Nemtsev88, F. Nespoli33, A. Neto41, R. Neu62, V.S. Neverov72, M. Newman7, K.J. Nicholls7, T. Nicolas33, A.H. Nielsen83, P. Nielsen12, E. Nilsson8, D. Nishijima99, C. Noble7, M. Nocente97, D. Nodwell7, K. Nordlund101, H. Nordman16, R. Nouailletas8, I. Nunes53, M. Oberkofler62, T. Odupitan7, M.T. Ogawa69, T. O’Gorman7, M. Okabayashi76, R. Olney7, O. Omolayo7, M. O’Mullane21, J. Ongena58, F. Orsitto11, J. Orszagh18, B.I. Oswuigwe7, R. Otin7, A. Owen7, R. Paccagnella12, N. Pace7, D. Pacella90, L.W. Packer7, A. Page7, E. Pajuste103, S. Palazzo30, S. Pamela7, S. Panja46, P. Papp18, R. Paprok50, V. Parail7, M. Park66, F. Parra Diaz27, M. Parsons73, R. Pasqualotto12, A. Patel7, S. Pathak46, D. Paton7, H. Patten33, A. Pau17, E. Pawelec48, C. Paz Soldan43, A. Peackoc36, I.J. Pearson7, S.-P. Pehkonen112, E. Peluso95, C. Penot55, A. Pereira57, R. Pereira53, P.P. Pereira Puglia7, C. Perez von Thun35,39, S. Peruzzo12, S. Peschanyi56, M. Peterka50, P. Petersson42, G. Petravich113, A. Petre84, N. Petrella7, V. Petržilka50, Y. Peysson8, D. Pfefferlé33, V. Philipps39, M. Pillon90, G. Pintsuk39, P. Piovesan12, A. Pires dos Reis52, L. Piron7, A. Pironti105, F. Pisano17, R. Pitts55, F. Pizzo79, V. Plyusnin53, N. Pomaro12, O.G. Pompilian86, P.J. Pool7, S. Popovichev7, M.T. Porfiri90, C. Porosnicu86, M. Porton7, G. Possnert22, S. Potzel62, T. Powell7, J. Pozzi7, V. Prajapati46, R. Prakash46, G. Prestopino95, D. Price7, M. Price7, R. Price7, P. Prior7, R. Proudfoot7, G. Pucella90, P. Puglia52, M.E. Puiatti12, D. Pulley7, K. Purahoo7, Th. Pütterich62, E. Rachlew25, M. Rack39, R. Ragona58, M.S.J. Rainford7, A. Rakha6, G. Ramogida90, S. Ranjan46, C.J. Rapson62, J.J. Rasmussen83, K. Rathod46, G. Rattá57, S. Ratynskaia82, G. Ravera90, C. Rayner7, M. Rebai97, D. Reece7, A. Reed7, D. Réfy113, B. Regan7, J. Regaña34, M. Reich62, N. Reid7, F. Reimold39, M. Reinhart34, M. Reinke110,73, D. Reiser39, D. Rendell7, C. Reux8, S.D.A. Reyes Cortes53, S. Reynolds7, V. Riccardo7, N. Richardson7, K. Riddle7, D. Rigamonti97, F.G. Rimini7, J. Risner73, M. Riva90, C. Roach7, R.J. Robins7, S.A. Robinson7, T. Robinson7, D.W. Robson7, R. Roccella55, R. Rodionov88, P. Rodrigues53, J. Rodriguez7, V. Rohde62, F. Romanelli90, M. Romanelli7, S. Romanelli7, J. Romazanov39, S. Rowe7, M. Rubel42, G. Rubinacci105, G. 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Sommariva8, P. Sonato12, A. Sopplesa12, J. Sousa53, C. Sozzi45, S. Spagnolo12, T. Spelzini7, F. Spineanu86, G. Stables7, I. Stamatelatos71, M.F. Stamp7, P. Staniec7, G. Stankūnas59, C. Stan-Sion84, M.J. Stead7, E. Stefanikova42, I. Stepanov58, A.V. Stephen7, M. Stephen46, A. Stevens7, B.D. Stevens7, J. Strachan76, P. Strand16, H.R. Strauss44, P. Ström42, G. Stubbs7, W. Studholme7, F. Subba75, H.P. Summers21, J. Svensson63, Ł. Świderski65, T. Szabolics113, M. Szawlowski49, G. Szepesi7, T.T. Suzuki69, B. Tál113, T. Tala112, A.R. Talbot7, S. Talebzadeh95, C. Taliercio12, P. Tamain8, C. Tame7, W. Tang76, M. Tardocchi45, L. Taroni12, D. Taylor7, K.A. Taylor7, D. Tegnered16, G. Telesca15, N. Teplova54, D. Terranova12, D. Testa33, E. Tholerus42, J. Thomas7, J.D. Thomas7, P. Thomas55, A. Thompson7, C.-A. Thompson7, V.K. Thompson7, L. Thorne7, A. Thornton7, A.S. Thrysøe83, P.A. Tigwell7, N. Tipton7, I. Tiseanu86, H. Tojo69, M. Tokitani67, P. Tolias82, M. Tomeš50, P. Tonner7, M. Towndrow7, P. Trimble7, M. Tripsky58, M. Tsalas38, P. Tsavalas71, D. Tskhakaya jun102, I. Turner7, M.M. Turner32, M. Turnyanskiy34, G. Tvalashvili7, S.G.J. Tyrrell7, A. Uccello45, Z. Ul-Abidin7, J. Uljanovs1, D. Ulyatt7, H. Urano69, I. Uytdenhouwen78, A.P. Vadgama7, D. Valcarcel7, M. Valentinuzzi8, M. Valisa12, P. Vallejos Olivares42, M. Valovic7, M. Van De Mortel7, D. Van Eester58, W. Van Renterghem78, G.J. van Rooij38, J. Varje1, S. Varoutis56, S. Vartanian8, K. Vasava46, T. Vasilopoulou71, J. Vega57, G. Verdoolaege58, R. Verhoeven7, C. Verona95, G. Verona Rinati95, E. Veshchev55, N. Vianello45, J. Vicente53, E. Viezzer62,92, S. Villari90, F. Villone100, P. Vincenzi12, I. Vinyar74, B. Viola90, A. Vitins103, Z. Vizvary7, M. Vlad86, I. Voitsekhovitch34, P. Vondráček50, N. Vora7, T. Vu8, W.W. Pires de Sa52, B. Wakeling7, C.W.F. Waldon7, N. Walkden7, M. Walker7, R. Walker7, M. Walsh55, E. Wang39, N. Wang39, S. Warder7, R.J. Warren7, J. Waterhouse7, N.W. Watkins28, C. Watts55, T. Wauters58, A. Weckmann42, J. Weiland23, H. Weisen33, M. Weiszflog22, C. Wellstood7, A.T. West7, M.R. Wheatley7, S. Whetham7, A.M. Whitehead7, B.D. Whitehead7, A.M. Widdowson7, S. Wiesen39, J. Wilkinson7, J. Williams7, M. Williams7, A.R. Wilson7, D.J. Wilson7, H.R. Wilson110, J. Wilson7, M. Wischmeier62, G. Withenshaw7, A. Withycombe7, D.M. Witts7, D. Wood7, R. Wood7, C. Woodley7, S. Wray7, J. Wright7, J.C. Wright64, J. Wu89, S. Wukitch64, A. Wynn110, T. Xu7, D. Yadikin16, W. Yanling39, L. Yao89, V. Yavorskij102, M.G. Yoo80, C. Young7, D. Young7, I.D. Young7, R. Young7, J. Zacks7, R. Zagorski49, F.S. Zaitsev18, R. Zanino75, A. Zarins103, K.D. Zastrow7, M. Zerbini90, W. Zhang62, Y. Zhou42, E. Zilli12, V. Zoita86, S. Zoletnik113, I. Zychor65 and JET Contributorsa // EUROfusion Consortium JET, Culham Science Centre, Abingdon, OX14 3DB, United Kingdom / 1 Aalto University, PO Box 14100, FIN-00076 Aalto, Finland / 2 Aix Marseille Université, CNRS, Centrale Marseille, M2P2 UMR 7340, 13451, Marseille, France / 3 Aix-Marseille Université, CNRS, IUSTI UMR 7343, 13013 Marseille, France / 4 Aix-Marseille Université, CNRS, PIIM, UMR 7345, 13013 Marseille, France / 5 Arizona State University, Tempe, AZ, United States of America / 6 Barcelona Supercomputing Center, Barcelona, Spain / 7 CCFE, Culham Science Centre, Abingdon, Oxon, OX14 3DB, United Kingdom / 8 CEA, IRFM, F-13108 Saint Paul Lez Durance, France / 9 Center for Energy Research, University of California at San Diego, La Jolla, CA 92093, United States of America / 10 Centro Brasileiro de Pesquisas Fisicas, Rua Xavier Sigaud, 160, Rio de Janeiro CEP 22290-180, Brazil / 11 Consorzio CREATE, Via Claudio 21, 80125 Napoli, Italy / 12 Consorzio RFX, corso Stati Uniti 4, 35127 Padova, Italy / 13 Daegu University, Jillyang, Gyeongsan, Gyeongbuk 712-174, Republic of Korea / 14 Departamento de Física, Universidad Carlos III de Madrid, 28911 Leganés, Madrid, Spain / 15 Department of Applied Physics UG (Ghent University) St-Pietersnieuwstraat 41 B-9000 Ghent, Belgium / 16 Department of Earth and Space Sciences, Chalmers University of Technology, SE-41296 Gothenburg, Sweden / 17 Department of Electrical and Electronic Engineering, University of Cagliari, Piazza d’Armi 09123, Cagliari, Italy / 18 Department of Experimental Physics, Faculty of Mathematics, Physics and Informatics Comenius University Mlynska dolina F2, 84248 Bratislava, Slovakia / 19 Department of Materials Science, Warsaw University of Technology, PL-01-152 Warsaw, Poland / 20 Department of Nuclear and Quantum Engineering, KAIST, Daejeon 34141, Korea / 21 Department of Physics and Applied Physics, University of Strathclyde, Glasgow, G4 ONG, United Kingdom / 22 Department of Physics and Astronomy, Uppsala University, SE-75120 Uppsala, Sweden / 23 Department of Physics, Chalmers University of Technology, SE-41296 Gothenburg, Sweden / 24 Department of Physics, Imperial College London, London, SW7 2AZ, United Kingdom / 25 Department of Physics, SCI, KTH, SE-10691 Stockholm, Sweden / 26 Department of Physics, University of Basel, Basel, Switzerland / 27 Department of Physics, University of Oxford, Oxford, OX1 2JD, United Kingdom / 28 Department of Physics, University of Warwick, Coventry, CV4 7AL, United Kingdom / 29 Department of Pure and Applied Physics, Queens University, Belfast, BT7 1NN, United Kingdom / 30 Dipartimento di Ingegneria Elettrica Elettronica e Informatica, Università degli Studi di Catania, 95125 Catania, Italy / 31 Dipartimento di Ingegneria Industriale, University of Trento, Trento, Italy / 32 Dublin City University (DCU), Dublin, Ireland / 33 Ecole Polytechnique Fédérale de Lausanne (EPFL), Swiss Plasma Center (SPC), CH-1015 Lausanne, Switzerland / 34 EUROfusion Programme Management Unit, Boltzmannstr. 2, 85748 Garching, Germany / 35 EUROfusion Programme Management Unit, Culham Science Centre, Culham, OX14 3DB, United Kingdom / 36 European Commission, B-1049 Brussels, Belgium / 37 Fluid and Plasma Dynamics, ULB—Campus Plaine—CP 231 Boulevard du Triomphe, 1050 Bruxelles, Belgium / 38 FOM Institute DIFFER, Eindhoven, Netherlands / 39 Forschungszentrum Jülich GmbH, Institut für Energie- und Klimaforschung—Plasmaphysik, 52425 Jülich, Germany / 40 Fourth State Research, 503 Lockhart Dr, Austin, TX, United States of America / 41 Fusion for Energy Joint Undertaking, Josep Pl. 2, Torres Diagonal Litoral B3, 08019, Barcelona, Spain / 42 Fusion Plasma Physics, EES, KTH, SE-10044 Stockholm, Sweden / 43 General Atomics, PO Box 85608, San Diego, CA 92186-5608, United States of America / 44 HRS Fusion, West Orange, NJ, United States of America / 45 IFP-CNR, via R. Cozzi 53, 20125 Milano, Italy / 46 Institute for Plasma Research, Bhat, Gandhinagar-382 428, Gujarat State, India / 47 Institute of Nuclear Physics, Radzikowskiego 152, 31-342 Kraków, Poland / 48 Institute of Physics, Opole University, Oleska 48, 45-052 Opole, Poland / 49 Institute of Plasma Physics and Laser Microfusion, Hery 23, 01-497 Warsaw, Poland / 50 Institute of Plasma Physics AS CR, Za Slovankou 1782/3, 182 00 Praha 8, Czechia / 51 Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People’s Republic of China / 52 Instituto de Física, Universidade de São Paulo, Rua do Matão Travessa R Nr.187 CEP 05508-090 Cidade Universitária, São Paulo, Brasil / 53 Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal / 54 Ioffe Physico-Technical Institute, 26 Politekhnicheskaya, St Petersburg 194021, Russian Federation / 55 ITER Organization, Route de Vinon, CS 90 046, 13067 Saint Paul Lez Durance, France / 56 Karlsruhe Institute of Technology, PO Box 3640, D-76021 Karlsruhe, Germany / 57 Laboratorio Nacional de Fusión, CIEMAT, Madrid, Spain / 58 Laboratory for Plasma Physics Koninklijke Militaire School—Ecole Royale Militaire, Renaissancelaan 30 Avenue de la Renaissance B-1000, Brussels, Belgium / 59 Lithuanian energy institute, Breslaujos g. 3, LT-44403, Kaunas, Lithuania / 60 Magnetic Sensor Laboratory, Lviv Polytechnic National University, Lviv, Ukraine / 61 Maritime University of Szczecin, Waly Chrobrego 1-2, 70-500 Szczecin, Poland / 62 Max-Planck-Institut für Plasmaphysik, D-85748 Garching, Germany / 63 Max-Planck-Institut für Plasmaphysik, Teilinsitut Greifswald, D-17491 Greifswald, Germany / 64 MIT Plasma Science and Fusion Centre, Cambridge, MA 02139, United States of America / 65 National Centre for Nuclear Research (NCBJ), 05-400 Otwock-Świerk, Poland / 66 National Fusion Research Institute (NFRI), 169-148 Gwahak-ro, Yuseong-gu, Daejeon 305-806, Republic of Korea / 67 National Institute for Fusion Science, Oroshi, Toki, Gifu 509-5292, Japan / 68 National Institute for Fusion Science, Toki, 509-5292, Japan / 69 National Institutes for Quantum and Radiological Science and Technology, Naka, Ibaraki 311-0193, Japan / 70 National Technical University of Athens, Iroon Politechniou 9, 157 73 Zografou, Athens, Greece / 71 NCSR ‘Demokritos’, 153 10, Agia Paraskevi Attikis, Greece / 72 NRC Kurchatov Institute, 1 Kurchatov Square, Moscow 123182, Russian Federation / 73 Oak Ridge National Laboratory, Oak Ridge, TN 37831-6169, United States of America / 74 PELIN LLC, 27a, Gzhatskaya Ulitsa, Saint Petersburg, 195220, Russian Federation / 75 Politecnico di Torino, Corso Duca degli Abruzzi 24, I-10129 Torino, Italy / 76 Princeton Plasma Physics Laboratory, James Forrestal Campus, Princeton, NJ 08543, United States of America / 77 Purdue University, 610 Purdue Mall, West Lafayette, IN 47907, United States of America / 78 SCK-CEN, Nuclear Research Centre, 2400 Mol, Belgium / 79 Second University of Napoli, Consorzio CREATE, Via Claudio 21, 80125 Napoli, Italy / 80 Seoul National University, Shilim-Dong, Gwanak-Gu, Republic of Korea / 81 Slovenian Fusion Association (SFA), Jozef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia / 82 Space and Plasma Physics, EES, KTH SE-100 44 Stockholm, Sweden / 83 Technical University of Denmark, Department of Physics, Bldg 309, DK-2800 Kgs Lyngby, Denmark / 84 The ‘Horia Hulubei’ National Institute for Physics and Nuclear Engineering, Magurele-Bucharest, Romania / 85 The National Institute for Cryogenics and Isotopic Technology, Ramnicu Valcea, Romania / 86 The National Institute for Laser, Plasma and Radiation Physics, Magurele-Bucharest, Romania / 87 The National Institute for Optoelectronics, Magurele-Bucharest, Romania / 88 Troitsk Insitute of Innovating and Thermonuclear Research (TRINITI), Troitsk 142190, Moscow Region, Russian Federation / 89 University of Electronic Science and Technology of China, Chengdu, People’s Republic of China / 90 Unità Tecnica Fusione, ENEA C. R. Frascati, via E. Fermi 45, 00044 Frascati (Roma), Italy / 91 Universidad Complutense de Madrid, Madrid, Spain / 92 Universidad de Sevilla, Sevilla, Spain / 93 Universidad Nacional de Educación a Distancia, Madrid, Spain / 94 Universidad Politécnica de Madrid, Grupo I2A2, Madrid, Spain / 95 Università di Roma Tor Vergata, Via del Politecnico 1, Roma, Italy / 96 University College Cork (UCC), Ireland / 97 University Milano-Bicocca, piazza della Scienza 3, 20126 Milano, Italy / 98 University of Basilicata, Consorzio CREATE, Via Claudio 21, 80125 Napoli, Italy / 99 University of California, 1111 Franklin St., Oakland, CA 94607, United States of America / 100 University of Cassino, Consorzio CREATE, Via Claudio 21, 80125 Napoli, Italy / 101 University of Helsinki, PO Box 43, FI-00014 University of Helsinki, Finland / 102 University of Innsbruck, Fusion@Österreichische Akademie der Wissenschaften (ÖAW), Innsbruck, Austria / 103 University of Latvia, 19 Raina Blvd., Riga, LV 1586, Latvia / 104 University of Lorraine, CNRS, UMR7198, YIJL, Nancy, France / 105 University of Napoli ‘Federico II’, Consorzio CREATE, Via Claudio 21, 80125 Napoli, Italy / 106 University of Napoli Parthenope, Consorzio CREATE, Via Claudio 21, 80125 Napoli, Italy / 107 University of Texas at Austin, Institute for Fusion Studies, Austin, TX 78712, United States of America / 108 University of Toyama, Toyama, 930-8555, Japan / 109 University of Tuscia, DEIM, Via del Paradiso 47, 01100 Viterbo, Italy / 110 University of York, Heslington, York YO10 5DD, United Kingdom / 111 Vienna University of Technology, Fusion@Österreichische Akademie der Wissenschaften (ÖAW), Austria / 112 VTT Technical Research Centre of Finland, PO Box 1000, FIN-02044 VTT, Finland / 113 Wigner Research Centre for Physics, PO Box 49, H-1525 Budapest, Hungary
Published: 2017
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34. Design concepts of machine upgrades for the RFX-mod experiment

Author: L. Trevisan, Alessandra Canton, Nicolò Marconato, Marco Valisa, Giuseppe Marchiori, Matteo Agostini, Maria Ester Puiatti, Piergiorgio Sonato, Matteo Vallar, Nisarg Patel, R. Delogu, Piero Agostinetti, Simone Peruzzo, Monica Spolaore, Samuele Dal Bello, Alessandro Fassina, P. Vincenzi, Lionello Marrelli, Roberto Cavazzana, Tommaso Bolzonella, Luca Grando, P. Zanca, Lorella Carraro, M. Siragusa, Gianluca De Masi, Paolo Scarin, A. Zamengo, Mauro Dalla Palma, Paolo Innocente, Paolo Bettini, Marco Bernardi, and Loris Zanotto
Subjects: Tokamak, Computer science, Mechanical engineering, 01 natural sciences, 010305 fluids & plasmas, law.invention, law, Physics::Plasma Physics, 0103 physical sciences, Vacuum sealing, General Materials Science, Ceramic-metal brazing, Fusion devices, RFP configuration, Civil and Structural Engineering, Materials Science (all), Nuclear Energy and Engineering, Mechanical Engineering, 010306 general physics, Resistive touchscreen, Toroid, Reversed field pinch, Upgrade, Magnet, Magnetohydrodynamics, Engineering design process
Abstract: After 10 years of operation since its major modification, an upgrade of the RFX-mod experiment is presently under design. The scientific objective is the improvement of 3D physics studies through a more robust transition to higher confinement regimes in both Reversed Field Pinch (RFP) and Tokamak configuration obtained thanks to an advanced system for the active control of MHD instabilities. The main design driver requirements for this machine upgrade are the removal of the present resistive vacuum vessel and the enhancement of the ‘shell-plasma proximity’, to reduce the deformation of the last close magnetic surface and to improve the self-organized helical plasma regimes. The fulfillment of these requirements implies a major change of the internal components of the machine such as the replacement of the whole first wall, the change of the support system of the stabilizing shell and the modification of the present toroidal support structure to provide the function of vacuum barrier. In combination, other components of the machine will be upgraded, such as magnets and power supply, diagnostic systems and a NBI will be integrated. The paper presents an overview of the engineering design of the new components and highlights the critical aspects of the new torus assembly.
Published: 2017
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35. Castellated tiles as the beam-facing components for the diagnostic calorimeter of the negative ion source SPIDER

Author: D. Fasolo, A. Pimazzoni, Andrea Rizzolo, M. De Muri, M. Tollin, R. Delogu, Roberto Pasqualotto, M. Dalla Palma, G. Serianni, Lorenzo Zampieri, V. Cervaro, Simone Peruzzo, and L. Franchin
Subjects: Carbon fiber composite, Materials science, Nuclear engineering, 01 natural sciences, Negative ions, 010305 fluids & plasmas, Ion, Plasma diagnostics, Calorimeters, Physics::Plasma Physics, 0103 physical sciences, Thermal, Experimental test, Carbon fibers, Ion sources, Graphite, Instrumentation, 010302 applied physics, Facings, Spatial scale, Plasma, Carbon, Calorimeter, Radio frequency plasma, Thermal measurements, Measuring instrument, Atomic physics, Beam (structure)
Abstract: This paper presents the results of numerical simulations and experimental tests carried out to assess the feasibility and suitability of graphite castellated tiles as beam-facing component in the diagnostic calorimeter of the negative ion source SPIDER (Source for Production of Ions of Deuterium Extracted from Radio frequency plasma). The results indicate that this concept could be a reliable, although less performing, alternative for the present design based on carbon fiber composite tiles, as it provides thermal measurements on the required spatial scale.
Published: 2016
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36. Ionizing radiation compatibility in the MITICA neutral beam prototype

Author: A. De Lorenzi, A. Coniglio, Roberto Pasqualotto, B. Zaniol, Marta Bagatin, Marco D’Arienzo, Alessandro Paccagnella, Simone Peruzzo, Simone Gerardin, and Sandro Sandri
Subjects: Computer science, Mechanical Engineering, Nuclear engineering, Iter tokamak, Preventive maintenance, Plasma diagnostics, Ionizing radiation, Radiation compatibility, Fusion reactors, Nuclear Energy and Engineering, visual_art, Electromagnetic shielding, Electronic component, Compatibility (mechanics), radiation effects, visual_art.visual_art_medium, General Materials Science, Civil and Structural Engineering
Abstract: This paper deals with an R&D activity in progress in support of the design of the ITER NBI prototype (MITICA), aimed at the identification of the most appropriate design solutions and installation guidelines to keep under control and minimize the effects of ionizing radiation on the electronic and passive components related to control, diagnostics, and electrical insulation located inside the MITICA vessel and its concrete biological shield. The method followed to approach the problem is based on three steps: estimation of expected radiation levels map, identification of electronic and passive components database for MITICA diagnostics and finally the assessment of the ionizing radiation compatibility for the identified components. The ultimate aim of this activity is the definition, on the basis of this assessment, of a list of preventive or mitigating actions (such as relocation, shielding or preventive maintenance) for the most high-risk components.
Published: 2011
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37. Nuclear technology aspects of ITER vessel-mounted diagnostics

Author: M. Toussaint, Vladimir Vershkov, Chris Walker, Germán Pérez-Pichel, MunSeong Cheon, B. Brichard, George Vayakis, Roger Reichle, H. Meister, Simone Peruzzo, D. Testa, S. Pak, E.R. Hodgson, Masao Ishikawa, Philippe Moreau, Anna Encheva, Takashi Kondoh, Giuseppe Chitarin, Ludo Vermeeren, Christian Ingesson, and Luciano Bertalot
Subjects: Physics, Nuclear and High Energy Physics, Radiation, magnetic equilibrium, Bolometer, Nuclear engineering, Maintainability, Reactor, ITER, magnetic sensor, Plasma, Electromagnetic radiation, Cables, law.invention, Nuclear technology, Nuclear Energy and Engineering, law, Measuring instrument, General Materials Science, Plasma density
Abstract: ITER has diagnostics with machine protection, basic and advanced control, and physics roles. Several are distributed on the inner and outer periphery of the vacuum vessel. They have reduced maintainability compared to diagnostics in ports. They also endure some of the highest nuclear and EM loads of any diagnostic for the longest time. They include
Published: 2011
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38. Design proposal of a connection system for ITER in-vessel magnetic sensors

Author: Simone Peruzzo, R. Delogu, Giuseppe Chitarin, Antonio Gallo, and George Vayakis
Subjects: Computer science, Mechanical Engineering, Reference design, Electrical connector, CAD, Design proposal, magnetic sensor, Electrical connection, ITER, plasma equilibrium, Nuclear Energy and Engineering, Work (electrical), Systems engineering, General Materials Science, Civil and Structural Engineering
Abstract: This paper presents the results of a feasibility study aimed at the design of a mechanical support and electrical connector for in-vessel magnetic sensors compatible with remote handling maintenance. The work starts with the review of the reference design proposed in the ITER Design Description Documents and highlights the issues still open. A new design proposal is then developed taking into account the experience of similar applications developed for JET. The design proposal is supported by CAD modelling and thermal and electromagnetic analyses. In conclusion the developments necessary to qualify the proposal before considering it mature for production are outlined.
Published: 2010
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39. The Magnetic Diagnostic Set for ITER

Author: J. B. Lister, R. Delogu, A. Perez, M. Toussaint, Nicolò Marconato, E. Alessi, B. Brichard, T. Maeder, L. Vermeeren, A. Gallo, René Chavan, F. Sanchez, Ph. Moreau, Y. Fournier, D. Testa, J-M Moret, Benoît Schaller, Rafael Vila, Matthias Preindl, A. Encheva, Jerome Guterl, Simone Peruzzo, A. Le-Luyer, J. Romero, G. Vayakis, Giuseppe Chitarin, E.R. Hodgson, Chris Walker, G. Tonetti, and Hervé Carfantan
Subjects: high vacuum, Physics, couches épaisses, Nuclear and High Energy Physics, haut vide, LTCC, système de diagnostic magnétique, céramiques, Iter tokamak, Magnetic confinement fusion, ceramics, magnetic sensor, Condensed Matter Physics, Diagnostic system, Magnetic flux, Set (abstract data type), Nuclear physics, plasma equiibrium, ITER, Systems engineering, capteurs magnétiques, magnetic sensors, magnetic diagnostic system, thick-film technology
Abstract: This paper presents the multiple set of requirements for the ITER magnetic diagnostic systems and the current status of the various R&D activities performed by the EU partners.
Published: 2010
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40. The ITER full size plasma source device design

Author: M. Bigi, Adriano Luchetta, L. Novello, Roberto Pasqualotto, V. Antoni, A. Pesce, E. Gazza, A. Daniele, Luca Grando, P. Zaccaria, G. Anaclerio, Simone Peruzzo, F. Fellin, Elena Gaio, Alberto Ferro, F. Milani, Piero Agostinetti, F. Fantini, Piergiorgio Sonato, Sandro Sandri, Nicola Pilan, A. Zamengo, Marco Cavenago, Gabriele Manduchi, W. Rigato, M. Valisa, R. Piovan, Gianluigi Serianni, M. Recchia, A. De Lorenzi, A. Fiorentin, P. Spolaore, Andrea Rizzolo, R. Pengo, S. Dal Bello, M. Pavei, Pierluigi Veltri, Cesare Taliercio, D. Marcuzzi, N. Pomaro, M. Spolaore, Oliviero Barana, L. Zanotto, Marco D’Arienzo, Vanni Toigo, M. Boldrin, and M. Dalla Palma
Subjects: Materials science, Mechanical Engineering, Nuclear engineering, Electron, Plasma, Injector, Neutral beam, law.invention, Ion, Nuclear physics, Reliability (semiconductor), Nuclear Energy and Engineering, law, RF source, General Materials Science, Low voltage, Current density, Beam (structure), Civil and Structural Engineering
Abstract: In the framework of the strategy for the development and the procurement of the NB systems for ITER, it has been decided to build in Padova a test facility, including two experimental devices: a full size plasma source with low voltage extraction and a full size NB injector at full beam power (1 MV). These two different devices will separately address the main scientific and technological issues of the 17 MW NB injector for ITER. In particular the full size plasma source of negative ions will address the ITER performance requirements in terms of current density and uniformity, limitation of the electron/ion ratio and stationary operation at full current with high reliability and constant performances for the whole operating time up to 1 h. The required negative ion current density to be extracted from the plasma source ranges from 290 A/m2 in D2 (D−) and 350 A/m2 in H2 (H−) and these values should be obtained at the lowest admissible neutral pressure in the plasma source volume, nominally at 0.3 Pa. The electron to ion ratio should be limited to less than 1 and the admissible ion inhomogeneity extracted from the grids should be better than 10% on the whole plasma cross-section having a surface exposed to the extraction grid of the order of 1 m2. The main design choices will be presented in the paper as well as an overview of the design of the main components and systems.
Published: 2009
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41. Potential failure mode and effects analysis for the ITER NB injector

Author: W. Rigato, Simone Peruzzo, M. Boldrin, Gianluigi Serianni, D. Marcuzzi, N. Pomaro, A. Fiorentin, Luca Grando, and A. De Lorenzi
Subjects: Failure analysis, Process (engineering), Computer science, Mechanical Engineering, Analytical technique, NBI, Injector, Neutral beam, Reliability engineering, law.invention, Design phase, Reliability (semiconductor), Nuclear Energy and Engineering, law, ITER, Component (UML), General Materials Science, Engineering design process, Failure mode and effects analysis, FMEA, Civil and Structural Engineering
Abstract: The failure mode and effects analysis (FMEA) is a widely used analytical technique that helps in identifying and reducing the risks of failure in a system, component or process. The application of a systematic method like the FMEA was deemed necessary and adequate to support the design process of the ITER NBI (neutral beam injector). The approach adopted was to develop a FMEA at a general “system level”, focusing the study on the main functions of the system and ensuring that all the interfaces and interactions are covered among the various subsystems. The FMEA was extended to the whole NBI system taking into account the present design status. The FMEA procedure will be then applied to the detailed design phase at the component level, in particular to identify (or define) the ITER Class of Risk. Several important failure modes were evidenced, and estimates of subsystems and components reliability are now available. FMEA procedure resulted essential to identify and confirm the diagnostic systems required for protection and control, and the outcome of this analysis will represent the baseline document for the design of the NBI and NBTF integrated protection system. In the paper, rationale and background of the FMEA for ITER NBI are presented, methods employed are described and most interesting results are reported and discussed.
Published: 2009
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42. Electro-mechanical connection system for ITER in-vessel magnetic sensors

Author: Nicolò Marconato, Adrian Williams, George Vayakis, W. Gonzalez, M. Brombin, Andrea Rizzolo, S. Arshad, Y. Ma, and Simone Peruzzo
Subjects: Electrical connection, Materials science, Mechanical Engineering, Mechanical engineering, Blanket, 01 natural sciences, Electromagnetic interference, Finite element method, Magnetic diagnostics, Remote maintenance, 010305 fluids & plasmas, Metrology, Magnetic field, Civil and Structural Engineering, Nuclear Energy and Engineering, Materials Science (all), EMI, 0103 physical sciences, Electromagnetic shielding, General Materials Science, 010306 general physics
Abstract: This paper presents the preliminary design of the "In-Vessel Magnetic platform", which is a subsystem of the magnetic diagnostics formed by all the components necessary for guaranteeing the thermomechanical interface of the actual magnetic sensors with the vacuum vessel (VV), their protection and the electrical connection to the in-vessel wiring for the transmission of the detected signal with a minimum level of noise. The design has been developed in order to comply with different functional requirements: the mechanical attachment to the VV; the electrical connection to the in-vessel wiring; efficient heat transfer to the VV; the compatibility with Remote Handling (RH) system for replacement; the integration of metrology features for post-installation control; the Electro Magnetic Interference (EMI) shielding from Electron Cyclotron Heating (ECH) stray radiation without compromising the sensor pass band (15 kHz). Significant effort has been dedicated to develop the CAD model, integrated within the ITER In-Vessel configuration model, taking care of the geometrical compliance with the Blanket modules (modified in order to accommodate the magnetic sensors in suitable grooves) and the RH compatibility. Thorough thermo-mechanical and electro-magnetic Finite Element Method (FEM) analyses have been performed to assess the reliability of the system in standard and off-normal operating conditions for the low frequency magnetic sensors. (C) 2016 Consorzio RFX. Published by Elsevier B.V. All rights reserved.
Published: 2016
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43. Manufacturing and commissioning of the new Ex-Vessel magnetic diagnostics system for JET

Author: C. Sowden, A. Quercia, Giuseppe Chitarin, T. Edlington, S.N. Gerasimov, Simone Peruzzo, G. Artaserse, V. Coccorese, Coccorese, V., Artaserse, G., Chitarin, G., Edlington, T., Gerasimov, S., Peruzzo, S., Quercia, A., and Sowden, C.
Subjects: Jet (fluid), Tokamak, Computer science, Magnetic diagnostic, Mechanical Engineering, Energy Engineering and Power Technology, Mechanical engineering, Fusion power, law.invention, Nuclear physics, Pick-up coil, Data acquisition, Reliability (semiconductor), Nuclear Energy and Engineering, JET, Acceptance testing, law, Integrator, Hall sensor, General Materials Science, Hall effect sensor, Civil and Structural Engineering
Abstract: A new system of magnetic probes was installed during the 2005 shutdown and was commissioned during the 2005/2006 restart phase of JET. The system is made of traditional pick-up coils and Hall sensors, all located outside the vessel. Direct field measurements from Hall sensors are used to correct the drift of the integrators of the pick-up coils signals. This feature will be crucial for future ITER-like devices, where long-lasting flat top phases are expected, in a high neutron yield and a high temperature environment. After a general overview of the system, the paper describes the major manufacturing and installation issues, including the construction of the supports and probes as well as the acceptance tests before and after installation. The functional commissioning of the system includes the integration of the new signals in the JET Data Acquisition System and the analysis of several discharges with and without plasma. The critical aspects of the assessment of the reliability of the signals are shown and commented on.
Published: 2007
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44. Active MHD control at high currents in RFX-mod

Author: Emilio Martines, Lorella Carraro, A. Pizzimenti, D. Terranova, Paolo Franz, M. Brombin, P. Zaccaria, Rita Lorenzini, V. Antoni, E. Spada, Mario Cavinato, Roberto Cavazzana, S. Cappello, G. Rostagni, F. Milani, Paolo Zanca, L. Apolloni, N. Vianello, Vanni Toigo, L. Zanotto, C. Taliercio, N. Pomaro, Gianluca Spizzo, Giuseppe Zollino, Giuseppe Chitarin, C. Taccon, Barbara Zaniol, Federica Bonomo, A. Murari, A. De Lorenzi, Alessandra Canton, Matteo Zuin, Fulvio Auriemma, L. Garzotti, S. Ortolani, R. Paccagnella, S. C. Guo, Anton Soppelsa, Maria Ester Puiatti, Lionello Marrelli, Tommaso Bolzonella, Gabriele Manduchi, F. Sattin, S. Martini, Alessandro Fassina, G. Malesani, Luca Grando, P. Innocente, Giuseppe Marchiori, P. Piovesan, C. Alessi, D. F. Escande, Roberto Pasqualotto, L. De Pasqual, D. Bonfiglio, M. Valisa, Enrico Zilli, A. Cravotta, Paolo Bettini, A. Masiello, Matteo Agostini, R. Piovan, Diego Marcuzzi, G. Gadani, Piergiorgio Sonato, Alberto Alfier, L. Novello, Simone Peruzzo, Elena Gaio, S. Dal Bello, M. Spolaore, Piero Martin, E. Gazza, Francesco Gnesotto, Adriano Luchetta, Leonardo Giudicotti, P. Scarin, A. Buffa, Marco Gobbin, M. Moresco, G. Serianni, Martini, S, Agostini, M, Alessi, C, Alfier, A, Antoni, V, Apolloni, L, Auriemma, F, Bettini, P, Bolzonella, T, Bonfiglio, D, Bonomo, F, Brombin, M, Buffa, A, Canton, A, Cappello, S, Carraro, L, Cavazzana, R, Cavinato, M, Chitarin, G, Cravotta, A, Dal Bello, S, De Lorenzi, A, De Pasqual, L, Escande, D, Fassina, A, Franz, P, Gadani, G, Gaio, E, Garzotti, L, Gazza, E, Giudicotti, L, Gnesotto, F, Gobbin, M, Grando, L, Guo, S, Innocente, P, Lorenzini, R, Luchetta, A, Malesani, G, Manduchi, G, Marchiori, G, Marcuzzi, D, Marrelli, L, Martin, P, Martines, E, Masiello, A, Milani, F, Moresco, M, Murari, A, Novello, L, Ortolani, S, Paccagnella, R, Pasqualotto, R, Peruzzo, S, Piovan, R, Piovesan, P, Pizzimenti, A, Pomaro, N, Puiatti, M, Rostagni, G, Sattin, F, Scarin, P, Serianni, G, Sonato, P, Spada, E, Soppelsa, A, Spizzo, G, Spolaore, M, Taccon, C, Taliercio, C, Terranova, D, Toigo, V, Valisa, M, Vianello, N, Zaccaria, P, Zanca, P, Zaniol, B, Zanotto, L, Zilli, E, Zollino, G, and Zuin, M
Subjects: Physics, Nuclear and High Energy Physics, RFX-mod, Toroid, business.industry, Pulse duration, reversed field pinch, Plasma, Mechanics, Condensed Matter Physics, MHD control, Amplitude, Optics, Physics::Plasma Physics, RFP, Pinch, Magnetohydrodynamics, business, Voltage, Dynamo
Abstract: The modified RFX is a very flexible device used for a variety of control schemes for MHD instabilities and for advanced reverse field pinch scenarios. Relative to the previous machine, RFX-mod has a thin Cu shell with vertical field penetration time τS, lowered from 450 to 50 ms and shell/plasma proximity from b/a ≤ 1.24-1.1. Toroidal equilibrium is feedback-controlled and new power supplies provide better Bφ control. Newly designed graphite tiles protect the vessel from localized power deposition. A mesh of 192 external saddle coils, supervised by a digital feedback system, controls radial fields due to field errors and MHD modes. The paper presents an overview of the very encouraging results obtained using both new and 'standard' advanced operational modes in the current range 0.3-1 MA. A dramatic improvement of plasma performance was obtained by using the saddle coils to cancel all the radial field components, an operation mode dubbed virtual shell (VS). The toroidal voltage was lowered by more than 25% and the pulse length was tripled, up to 7 times the τS. Steady-state RFP pulses are now limited only by the applied volt-seconds. The improved magnetic boundary also has an effect on the tearing modes underlying the sustainment of the RFP, whose core amplitude is more than halved. The VS combined with new schemes for the active rotation of the MHD dynamo modes has allowed us to obtain reliable and well-controlled long RFP pulses in the MA current range. This results in a 100% increase in the particle and energy confinement time relative to the previous experiment and opens the possibility of exploring the machine performance in the 2 MA design range. © 2007 IAEA.
Published: 2007
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45. Progress in the design of the in-vessel magnetic pickup coils for ITER

Author: Y. Ma, Simone Peruzzo, Nicolò Marconato, M. Brombin, S. Arshad, Andrea Rizzolo, W. Gonzalez, M. Furno Palumbo, and George Vayakis
Subjects: Engineering, LTCC, business.industry, Nuclear engineering, Electrical engineering, magnetic diagnostics, Low frequency, Temperature measurement, Magnetic field, Reliability (semiconductor), Transducer, Electromagnetic coil, visual_art, visual_art.visual_art_medium, Pickup, Ceramic, business
Abstract: This paper presents the results of the R&D activities recently performed to achieve the preliminary design of the electro-magnetic transducers for in-vessel local magnetic field measurements at low frequency (< 30 kHz) for ITER. The study is based on thermo-electrical and electro-magnetic bench tests performed on a batch of 40 sensor prototypes manufactured with the Low Temperature Co-fired Ceramic (LTCC) technology. The development of an alternative concept of magnetic sensor for ITER, based on Mineral Insulated Cables (MIC) winding is also reported, with suitable thermo-mechanical and electromagnetic numerical analyses performed to assess the reliability of such sensors within ITER operating conditions.
Published: 2015
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46. Numerical modeling of 3D halo current path in ITER structures

Author: Raffaele Albanese, Maurizio Furno Palumbo, Paolo Bettini, Simone Peruzzo, Guglielmo Rubinacci, Nicolò Marconato, Ruben Specogna, Salvatore Ventre, Fabio Villone, Paolo, Bettini, Nicolò, Marconato, Maurizio Furno Palumbo, Simone, Peruzzo, Ruben, Specogna, Albanese, Raffaele, Rubinacci, Guglielmo, Salvatore, Ventre, and Villone, Fabio
Subjects: Physics, Tokamak, iter, halo currents, Mechanical Engineering, Mechanics, Fusion power, Finite element method, law.invention, Test case, numerical modeling, 3D passive structures, Halo currents, ITER, Numerical modeling, Civil and Structural Engineering, Materials Science (all), Nuclear Energy and Engineering, law, Eddy current, General Materials Science, Halo, Current (fluid), Electric current
Abstract: Disruptions represent one of the main concerns for Tokamak operation, especially in view of fusion reactors, or experimental test reactors, due to the electro-mechanical loads induced by halo and eddy currents. The development of a predictive tool which allows to estimate the magnitude and spatial distribution of the halo current forces is of paramount importance in order to ensure robust vessel and in-vessel component design. With this aim, two numerical codes (CARIDDI, CAFE) have been developed, which allow to calculate the halo current path (resistive distribution) in the passive structures surrounding the plasma. The former is based on an integral formulation for the eddy currents problem particularized to the static case; the latter implements a pair of 3D FEM complementary formulations for the solution of the steady-state current conduction problem. A simplified plasma model is adopted to provide the inputs (halo current injected into the first wall). Two representative test cases (ITER symmetric and asymmetric VDEs) have been selected to cross check the results of the proposed approaches.
Published: 2012

47. Proposal for halo current diagnostic system for JET

Author: V. Riccardo, Pietro Fiorentin, T. Bolzonella, Simone Peruzzo, N. Pomaro, Luca Grando, and Piergiorgio Sonato
Subjects: Compressive stress, Physics, Jet (fluid), Thermonuclear fusion, Tokamak, Toroidal and poloidal, Experimental reactors, Sensors, business.industry, Joint European Torus, law.invention, Bandwidth, Electric currents, Plasmas, law, Halo current, Pickup, Halo, Atomic physics, Aerospace engineering, business, Instrumentation, Rogowski coil
Abstract: One of the critical issues for the International Thermonuclear Experimental Reactor is a deep understanding of the origin, distribution, and scaling of halo currents flowing through plasma and vacuum vessel during vertical displacement events. The Joint European Torus (JET) can play a key role in this study, provided that new and more detailed information becomes available. This fact motivated the design of a set of sensors specifically aimed at improving the diagnostic capability of halo currents at JET. This new system is described in the article. It consists mostly of Rogowski coils and of a small number of toroidal field pickup coils. The former will measure directly the current flowing through the tiles of the first wall. The latter will allow the estimation of the total poloidal halo. The system is a compromise between the maximization of the spatial resolution in both toroidal and poloidal direction and the JET capability of adding new in-vessel probes, compatibly with existing feedthroughs needed to bring the signals outside the vessel. The main issues of the system are briefly reported, then the modifications of the in-vessel components, necessary to house the probes, are described together with the technological solutions adopted to improve the measurement quality. Finally, results of the electromechanical analyses performed to assess the reliability of the modified tiles are presented, too.
Published: 2003
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48. Progress in the realization of the PRIMA neutral beam test facility

Author: D. Gutierrez, S. Dal Bello, A. De Lorenzi, M. Bandyopadhyay, J. Graceffa, Emanuele Sartori, V. Antoni, R. Andreani, V. N. Muvvala, P. Zaccaria, G. Gambetta, M. Boldrin, Riccardo Nocentini, Ujjwal Baruah, M. Bigi, A. Fiorentin, L. Fellin, S. Ochoa, Gabriele Croci, Giuseppe Chitarin, A. Muraro, Mieko Kashiwagi, Piero Agostinetti, Lennart Svensson, Federica Bonomo, Nicolò Marconato, G. Mico, Giuseppe Gorini, A. Sottocornola, A. Zamengo, M. Moresco, M. De Muri, D. Boilson, Alberto Ferro, M. Spolaore, Ashish Yadav, Francesco Gnesotto, Barbara Zaniol, H. Dhola, M. J. Singh, M. Battistella, V. Pilard, Marco D’Arienzo, T. Maeshima, Kazuhiro Watanabe, Silvia Spagnolo, Tullio Bonicelli, A.K. Chakraborty, Veena Gupta, Matteo Agostini, R. Piovan, Nicola Pilan, E. Ocello, M. Dalla Palma, F. Fellin, P. Sonato, M. Fröschle, N. Fonnesu, N. Pomaro, Vanni Toigo, R. Delogu, F. Paolucci, Adriano Luchetta, S. Hanke, Marco Cavenago, G. Agarici, A. Maistrello, M. Brombin, Marco Barbisan, A. Coniglio, M. Simon, M. Tardocchi, A. Patel, H.P.L. de Esch, G. Gomez, R. Dave, Andrea Rizzolo, Diego Marcuzzi, H. Yamanaka, E. Bragulat, Pierluigi Veltri, Namita Singh, Atsushi Kojima, A. Thakkar, M. Zaupa, Ursel Fantz, M. Valente, Luca Grando, H. Decamps, C. Taliercio, Hiroyuki Tobari, D. Parmar, Paolo Bettini, Roberto Pasqualotto, M. Recchia, R. Riedl, Bernd Heinemann, P. Franzen, C. Rotti, G. Rostagni, G. Roopesh, J.F. Moreno, P. Blatchford, W. Kraus, R.S. Hemsworth, M. Pavei, Sandro Sandri, L. Zanotto, Naotaka Umeda, Masaya Hanada, Simone Peruzzo, Elena Gaio, D. Aprile, Christopher D. Hardie, Gabriele Manduchi, Gianluigi Serianni, A. Masiello, B. Chuilon, Hitesh Patel, Toigo, V, Boilson, D, Bonicelli, T, Piovan, R, Hanada, M, Chakraborty, A, Agarici, G, Antoni, V, Baruah, U, Bigi, M, Chitarin, G, Dal Bello, S, Decamps, H, Graceffa, J, Kashiwagi, M, Hemsworth, R, Luchetta, A, Marcuzzi, D, Masiello, A, Paolucci, F, Pasqualotto, R, Patel, H, Pomaro, N, Rotti, C, Serianni, G, Simon, M, Singh, M, Singh, N, Svensson, L, Tobari, H, Watanabe, K, Zaccaria, P, Agostinetti, P, Agostini, M, Andreani, R, Aprile, D, Bandyopadhyay, M, Barbisan, M, Battistella, M, Bettini, P, Blatchford, P, Boldrin, M, Bonomo, F, Bragulat, E, Brombin, M, Cavenago, M, Chuilon, B, Coniglio, A, Croci, G, Dalla Palma, M, D'Arienzo, M, Dave, R, De Esch, H, De Lorenzi, A, De Muri, M, Delogu, R, Dhola, H, Fantz, U, Fellin, F, Fellin, L, Ferro, A, Fiorentin, A, Fonnesu, N, Franzen, P, Fröschle, M, Gaio, E, Gambetta, G, Gomez, G, Gnesotto, F, Gorini, G, Grando, L, Gupta, V, Gutierrez, D, Hanke, S, Hardie, C, Heinemann, B, Kojima, A, Kraus, W, Maeshima, T, Maistrello, A, Manduchi, G, Marconato, N, Mico, G, Moreno, J, Moresco, M, Muraro, A, Muvvala, V, Nocentini, R, Ocello, E, Ochoa, S, Parmar, D, Patel, A, Pavei, M, Peruzzo, S, Pilan, N, Pilard, V, Recchia, M, Riedl, R, Rizzolo, A, Roopesh, G, Rostagni, G, Sandri, S, Sartori, E, Sonato, P, Sottocornola, A, Spagnolo, S, Spolaore, M, Taliercio, C, Tardocchi, M, Thakkar, A, Umeda, N, Valente, M, Veltri, P, Yadav, A, Yamanaka, H, Zamengo, A, Zaniol, B, Zanotto, L, and Zaupa, M
Subjects: ITER, negative neutral beam, PRIMA test facility, RF ion source, 1 MV acceleration voltage, Nuclear and High Energy Physics, Test facility, Nuclear engineering, Settore FIS/01 - Fisica Sperimentale, 1 MV acceleration voltage, Condensed Matter Physics, Deuterium ions, RF ion source, ITER, negative neutral beam, media_common.cataloged_instance, European union, Realization (systems), Beam (structure), PRIMA test facility, media_common
Abstract: The ITER project requires additional heating by two neutral beam injectors, each accelerating to 1 MV a 40 A beam of negative deuterium ions, to deliver to the plasma a power of about 17 MW for one hour. As these requirements have never been experimentally met, it was recognized as necessary to setup a test facility, PRIMA (Padova Research on ITER Megavolt Accelerator), in Italy, including a full-size negative ion source, SPIDER, and a prototype of the whole ITER injector, MITICA, aiming to develop the heating injectors to be installed in ITER. This realization is made with the main contribution of the European Union, through the Joint Undertaking for ITER (F4E), the ITER Organization and Consorzio RFX which hosts the Test Facility. The Japanese and the Indian ITER Domestic Agencies (JADA and INDA) participate in the PRIMA enterprise; European laboratories, such as IPP-Garching, KIT-Karlsruhe, CCFE-Culham, CEA-Cadarache and others are also cooperating. Presently, the assembly of SPIDER is on-going and the MITICA design is being completed. The paper gives a general overview of the test facility and of the status of development of the MITICA and SPIDER main components at this important stage of the overall development; then it focuses on the latest and most critical issues, regarding both physics and technology, describing the identified solutions.
Published: 2015
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49. Overview of the RFX-mod fusion science activity

Author: A. De Lorenzi, Rita Lorenzini, F. Belli, Andrea Rizzolo, Luca Stevanato, O. McCormack, Paolo Scarin, D. F. Escande, J. S. Sarff, M. Bigi, Y. Zhang, Alessandro Fassina, L. Piron, N. Vianello, M. E. Puiatti, Roberto Paccagnella, Fabio Villone, Piergiorgio Sonato, Nicola Pilan, Emilio Martines, James D. Hanson, C. Taliercio, A. Zamengo, M. Recchia, L. Giudicotti, M. Vallar, J.Q. Dong, M. Dalla Palma, Daniele Bonfiglio, Paolo Franz, Matthias Komm, Luis Chacon, Satoru Kiyama, N. Visona, M. Siragusa, L. Zanotto, Paolo Bettini, D. Terranova, Raul Sanchez, Roscoe White, S. Dal Bello, M. Brombin, Enrico Zilli, Francesco Gnesotto, Yueqiang Liu, S.P. Hirshman, L. Pigatto, S. Martini, Piero Martin, M. Pavei, Nisarg Patel, Alessandra Canton, Lorenzo Frassinetti, Matteo Zuin, T. Bolzonella, G. Urso, Chenguang Li, Oliver Schmitz, C. Finotti, Paolo Zanca, Chiara Bustreo, Silvia Spagnolo, M. Veranda, M. Baruzzo, V. Antoni, T. Barbui, Hajime Sakakita, Pavlos Xanthopoulos, Wolf-Dieter Schneider, Nicolò Marconato, Yoshiro Narushima, W. A. Cooper, G. Pucella, Piero Agostinetti, Lionello Marrelli, B. Liu, B. Momo, Simone Peruzzo, X. Y. Xu, Elena Gaio, M. Moresco, Francesco Ghezzi, Y. Suzuki, C. Piron, O. Tudisco, Susanna Cappello, P. Piovesan, Adriano Luchetta, A. Maistrello, F. Sattin, M. Boldrin, Donald A. Spong, A. Buffa, L. Cordaro, V. Yanovskiy, R. Cavazzana, Cristina Rea, W. Gonzalez, Matteo Agostini, R. Piovan, Songfen Liu, Giuseppe Chitarin, G. Rostagni, S. M. Deambrosis, Alberto Ferro, O. Kudlacek, M. Spolaore, Gianluca Spizzo, Paolo Innocente, Italo Predebon, G. Mazzitelli, Marco Gobbin, D. Cester, J. L. Jackson, Laszlo Sajo-Bohus, M. Valente, T.C. Luce, L. Laguardia, Diego Marcuzzi, Fulvio Auriemma, Giuseppe Marchiori, P. Vincenzi, D.K. Mansfield, E. Spada, M. Valisa, G. De Masi, Gabriele Manduchi, Lorella Carraro, E. Miorin, M. Okabayashi, S. C. Guo, Barbara Zaniol, R. Delogu, D. Lopez-Bruna, Marco Barbisan, Faa Federico Felici, Cristian Ruset, Luca Grando, R. Bilel, Mazzitelli, G., Tudisco, O., Pucella, G., Zuin, M, DAL BELLO, S, Marrelli, L, Puiatti, M, Agostinetti, P, Agostini, M, Antoni, V, Auriemma, F, Barbisan, M, Barbui, T, Baruzzo, M, Belli, F, Bettini, P, Bigi, M, Bilel, R, Boldrin, M, Bolzonella, T, Bonfiglio, D, Brombin, M, Buffa, A, Bustreo, C, Canton, A, Cappello, S, Carraro, L, Cavazzana, R, Cester, D, Chacon, L, Chitarin, G, Cooper, W, Cordaro, L, DALLA PALMA, M, Deambrosis, S, Delogu, R, De Lorenzi, A, DE MASI, G, Dong, J, Escande, D, Fassina, A, Felici, F, Ferro, A, Finotti, C, Franz, P, Frassinetti, L, Gaio, E, Ghezzi, F, Giudicotti, L, Gnesotto, F, Gobbin, M, Gonzalez, W, Grando, L, Guo, S, Hanson, J, Hirshman, S, Innocente, P, Jackson, J, Kiyama, S, Komm, M, Kudlacek, O, Laguardia, A, Li, C, Liu, B, Liu, S, Liu, Y, López Bruna, D, Lorenzini, R, Luce, T, Luchetta, A, Maistrello, A, Manduchi, G, Mansfield, D, Marchiori, G, Marconato, N, Marcuzzi, D, Martin, P, Martines, E, Martini, S, Mazzitelli, G, Mccormack, O, Miorin, E, Momo, B, Moresco, M, Narushima, Y, Okabayashi, M, Paccagnella, R, Patel, N, Pavei, M, Peruzzo, S, Pilan, N, Pigatto, L, Piovan, R, Piovesan, P, Piron, C, Piron, L, Predebon, I, Pucella, G, Rea, C, Recchia, M, Rizzolo, A, Rostagni, G, Ruset, C, Sajò Bohus, L, Sakakita, H, Sanchez, R, Sarff, J, Sattin, F, Scarin, P, Schmitz, O, Schneider, W, Siragusa, M, Sonato, P, Spada, E, Spagnolo, S, Spolaore, M, Spong, D, Spizzo, G, Stevanato, L, Suzuki, Y, Taliercio, C, Terranova, D, Tudisco, O, Urso, G, Valente, M, Valisa, M, Vallar, M, Veranda, M, Vianello, N, Villone, F, Vincenzi, P, Visonà, N, White, R, Xanthopoulos, P, Xu, X, Yanovskiy, V, Zamengo, A, Zanca, P, Zaniol, B, Zanotto, L, Zhang, Y, and Zilli, E
Subjects: Nuclear and High Energy Physics, Guiding center, Tokamak, MHD, single helicity, reversed field pinch, runaway electron, 01 natural sciences, 010305 fluids & plasmas, law.invention, 3D boundary, Physics::Plasma Physics, law, Electric field, 0103 physical sciences, 010306 general physics, PWI, tokamak, reversed field pinch, tokamak, single helicity, 3D boundary, runaway electrons, MHD, PWI, Physics, Reversed field pinch, runaway electrons, Plasma, Condensed Matter Physics, Computational physics, Magnet, ingle helicity, Pinch, Atomic physics, Magnetohydrodynamics
Abstract: This paper reports the main recent results of the RFX-mod fusion science activity. The RFX-mod device is characterized by a unique flexibility in terms of accessible magnetic configurations. Axisymmetric and helically shaped reversed-field pinch equilibria have been studied, along with tokamak plasmas in a wide range of q(a) regimes (spanning from 4 down to 1.2 values). The full range of magnetic configurations in between the two, the so-called ultra-low q ones, has been explored, with the aim of studying specific physical issues common to all equilibria, such as, for example, the density limit phenomenon. The powerful RFX-mod feedback control system has been exploited for MHD control, which allowed us to extend the range of experimental parameters, as well as to induce specific magnetic perturbations for the study of 3D effects. In particular, transport, edge and isotope effects in 3D equilibria have been investigated, along with runaway mitigations through induced magnetic perturbations. The first transitions to an improved confinement scenario in circular and D-shaped tokamak plasmas have been obtained thanks to an active modification of the edge electric field through a polarized electrode. The experiments are supported by intense modeling with 3D MHD, gyrokinetic, guiding center and transport codes. Proposed modifications to the RFX-mod device, which will enable further contributions to the solution of key issues in the roadmap to ITER and DEMO, are also briefly presented. © 2017 IAEA, Vienna.
Published: 2017
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50. RFX machine and power supply improvements for RFP advanced studies

Author: P. Zaccaria, Giuseppe Zollino, Luca Grando, Piergiorgio Sonato, S. Ortolani, Vanni Toigo, Gabriele Manduchi, C. Taliercio, F. Milani, Giuseppe Marchiori, Giuseppe Chitarin, R. Piovan, Paolo Bettini, Diego Marcuzzi, N. Pomaro, Roberto Cavazzana, A. De Lorenzi, W. Baker, L. Zanotto, S. Dal Bello, A. Masiello, Simone Peruzzo, Elena Gaio, Oliviero Barana, Francesco Gnesotto, Pietro Fiorentin, and Adriano Luchetta
Subjects: Tokamak, Reversed field pinch, Computer science, Mechanical Engineering, Nuclear engineering, Toroidal field, Fusion power, Active control, law.invention, Power (physics), Nuclear magnetic resonance, Nuclear Energy and Engineering, Physics::Plasma Physics, law, General Materials Science, Magnetohydrodynamics, Civil and Structural Engineering, Dynamo
Abstract: Experimental results and theoretical studies call for Reversed Field Experiment (RFX) machine and power supply improvements to allow studies that go beyond those of a conventional Reversed Field Pinch (RFP) with passively stabilized turbulent MHD dynamo. The new paths opened by recent results in RFX and other RFP machines are introduced; then the goals and the design lines of the technical modifications of RFX, mainly addressed to improve the first wall, the plasma magnetic boundaries and to increase the operational flexibility of the toroidal field circuit power supply, are reported.
Published: 2001
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