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1. WEST full tungsten operation with an ITER grade divertor

Author

J. Bucalossi, A. Ekedahl, and the WEST Team, J. Achard, K. Afonin, O. Agullo, T. Alarcon, L. Allegretti, F. Almuhisen, H. Ancher, G. Antar, Y. Anquetin, S. Antusch, V. Anzallo, C. Arnas, J.F. Artaud, M.H. Aumeunier, S.G. Baek, X.Y. Bai, M. Balden, C. Balorin, T. Barbui, A. Barbuti, J. Barlerin, J. Barra, V. Basiuk, T. Batal, O. Baulaigue, A. Bec, M. Becoulet, E. Benoit, E. Bernard, J.M. Bernard, M. Bernert, N. Bertelli, E. Bertrand, P. Beyer, J. Bielecki, P. Bienvenu, R. Bisson, B. Bliewert, G. Bodner, S. Bose, C. Bottereau, C. Bouchand, Y. Boumendjel, F. Bouquey, C. Bourdelle, J. Bourg, S. Brezinsek, F. Brochard, C. Brun, V. Bruno, H. Bufferand, A. Bureau, S. Burles, Y. Camenen, B. Cantone, E. Caprin, M. Carole, S. Carpentier-Chouchana, G. Caulier, F. Causa, N. Cazanave, N. Chanet, O. Chellai, Y. Chen, M. Chernyshova, P. Chmielewski, W. Choe, A. Chomiczewska, G. Ciraolo, F. Clairet, J. Coenen, L. Colas, G. Colledani, J. Colnel, P. Coquillat, E. Corbel, Y. Corre, X. Courtois, T. Czarski, A. Da Ros, R. Daniel, J. Daumas, M. De Combarieu, P. De Vries, C. Dechelle, F. Deguara, R. Dejarnac, J.M. Delaplanche, L.F. Delgado-Aparicio, E. Delmas, L. Delpech, C. Desgranges, P. Devynck, J. Denis, S. Di Genova, R. Diab, A. Diallo, M. Diez, G. Dif-Pradalier, M. Dimitrova, R. Ding, T. Dittmar, L. Doceul, M. Domenes, D. Donovan, D. Douai, L. Dubus, N. Dumas, R. Dumont, F. Durand, A. Durif, F. Durodié, D. Elbeze, S. Ertmer, A. Escarguel, F. Escourbiac, B. Esposito, K. Ezato, F. Faisse, J.L. Farjon, N. Faure, N. Fedorczak, P. Fejoz, F. Felici, C. Fenzi-Bonizec, F. Ferlay, L. Ferrand, L. Fevre, M. Firdaouss, L. Fleury, D. Flouquet, T. Fonghetti, A. Gallo, X. Garbet, J. Garcia, J.L. Gardarein, L. Gargiulo, P. Garibaldi, S. Garitta, J. Gaspar, E. Gauthier, S. Gazzotti, F. Gely, J. Gerardin, G. Gervasini, E. Geulin, M. Geynet, P. Ghendrih, I. Giacalone, C. Gil, S. Ginoux, S. Girard, E. Giroux, G. Giruzzi, M. Goniche, V. Gorse, T. Gray, E. Grelier, C. Grisolia, A. Grosjean, A. Grosman, O. Grover, D. Guibert, D. Guilhem, C. Guillemaut, B. Guillermin, R. Guirlet, J.P. Gunn, Y. Gunsu, T. Gyergyek, S. Hacquin, A. Hakola, J. Harris, J.C. Hatchressian, W. Helou, P. Hennequin, C. Hernandez, L. Hijazi, J. Hillairet, T. Hirai, G.T. Hoang, C. Honoré, M. Houry, A. Huart, G. Huijsmans, P. Huynh, M. Iafrati, F. Imbeaux, N. Imbert, I. Ivanova-Stanik, P. Ivanova, R. Jalageas, A. Jamann, C. Jammes, A. Jardin, L. Jaubert, G. Jiolat, E. Joffrin, C. Johnson, A. Jonas, A. Kirschner, C.C. Klepper, M. Komm, M. Koubiti, S. Kosslow, J. Kovacic, M. Kozeiha, K. Krieger, K. Krol, I. Kudashev, B. Lacroix, L. Laguardia, V. Lamaison, V. Lapleigne, H. Laqua, C. Lau, Y. Lausenaz, R. Lé, M. Le Bohec, N. Lefevre, N. Lemoine, E. Lerche, Y. Lesourd, L. Letellier, M. Lewerentz, Y. Li, A. Liang, P. Linczuk, C. Linsmeier, M. Lipa, X. Litaudon, X. Liu, J. Llorens, T. Loarer, A. Loarte, T. Loewenhoff, G. Lombard, J. Lore, P. Lorenzetto, B. Lu, A. Lumsdaine, R. Lunsford, T. Lunt, G. Luo, P. Magaud, P. Maget, J.F. Mahieu, P. Maini, P. Malard, K. Malinowski, P. Manas, L. Manenc, V. Maquet, Y. Marandet, C. Martin, E.J. Martin, P. Martino, M. Mayer, D. Mazon, S. Mazzi, P. Messina, L. Meunier, D. Midou, G. Miglionico, Y. Mineo, M. Missirlian, R. Mitteau, B. Mitu, D. Moiraf, P. Mollard, G. Momparler, V. Moncada, T. Mondiere, C. Monti, J. Morales, M. Moreau, Ph. Moreau, Y. Moudden, G. Moureau, D. Mouyon, M. Muraglia, T. Nakano, E. Nardon, A. Neff, F. Nespoli, J. Nichols, L. Nicolas, S. Nicollet, R. Nouailletas, M. Ono, V. Ostuni, O. Paillat, C. Parish, H. Park, H. Parrat, J.Y. Pascal, B. Pegourie, F.P. Pellissier, Y. Peneliau, M. Peret, E. Pignoly, G. Pintsuk, R. Pitts, C. Pocheau, A. Podolnik, C. Portafaix, M. Poulos, P. Prochet, A. Puig Sitjes, R. Ragona, M. Rasinski, S. Ratynskaia, G. Raup, X. Regal-Mezin, C. Reux, J. Rice, M. Richou, F. Rigollet, N. Rivals, H. Roche, S. Rodrigues, J. Romazanov, G. Ronchi, C. Ruset, R. Sabot, A. Saille, R. Sakamoto, B. Salamon, F. Samaille, A. Santagiustina, B. Santraine, Y. Sarazin, O. Sauter, Y. Savoie-Peysson, L. Schiesko, M. Scholz, J.L. Schwob, E. Serre, H. Shin, S. Shiraiwa, Ja. Signoret, O. Skalli-Fettachi, P. Sogorb, Y. Song, A. Spring, P. Spuig, S. Sridhar, B. Stratton, C. Talatizi, P. Tamain, R. Tatali, Q. Tichit, A. Torre, L. Toulouse, W. Treutterer, E. Tsitrone, E.A. Unterberg, G. Urbanczyk, G. Van Rooij, N. Varadarajan, S. Vartanian, E. Velly, J.M. Verger, L. Vermare, D. Vezinet, N. Vignal, B. Vincent, S. Vives, D. Volpe, G. Wallace, E. Wang, L. Wang, Y. Wang, Y.S. Wang, T. Wauters, D. Weldon, B. Wirth, M. Wirtz, A. Wojenski, M. Xu, Q.X. Yang, H. Yang, B. Zago, R. Zagorski, B. Zhang, X.J. Zhang, X.L. Zou, and the EUROfusion Tokamak Exploitation Team

Subjects
nuclear fusion, magnetic confinement, tokamak, divertor, WEST, ITER, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract

The mission of WEST (tungsten-W Environment in Steady-state Tokamak) is to explore long pulse operation in a full tungsten (W) environment for preparing next-step fusion devices (ITER and DEMO) with a focus on testing the ITER actively cooled W divertor in tokamak conditions. Following the successful completion of phase 1 (2016-2021), phase 2 started in December 2022 with the lower divertor made entirely of actively cooled ITER-grade tungsten mono-blocks. A boronization prior the first plasma attempt allowed for a smooth startup with the new divertor. Despite the reduced operating window due to tungsten, rapid progress has been made in long pulse operation, resulting in discharges with a pulse length of 100 s and an injected energy of around 300 MJ per discharge. Plasma startup studies were carried out with equatorial boron nitride limiters to compare them with tungsten limiters, while Ion Cyclotron Resonance Heating assisted startup was attempted. High fluence operation in attached regime, which was the main thrust of the first campaigns, already showed the progressive build up of deposits and appearance of dust, impacting the plasma operation as the plasma fluence increased. In total, the cumulated injected energy during the first campaigns reached 43 GJ and the cumulated plasma time exceeded 5 h. Demonstration of controlled X-Point Radiator regime is also reported, opening a promising route for investigating plasma exhaust and plasma-wall interaction issues in more detached regime. This paper summarises the lessons learned from the manufacturing and the first operation of the ITER-grade divertor, describing the progress achieved in optimising operation in a full W environment with a focus on long pulse operation and plasma wall interaction.

Published
2024
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2. Erratum to 'Thomson scattering upgrade on Tore Supra' [Fusion Eng. Des. 85 (2010) 335–339]

Author

F. Leroux, M. Moreau, and L. Manenc

Subjects
Physics, Spectrometer, Thomson scattering, business.industry, Dynamic range, Mechanical Engineering, Noise reduction, Bandwidth (signal processing), Tore Supra, Nuclear magnetic resonance, Data acquisition, Optics, Nuclear Energy and Engineering, Sampling (signal processing), General Materials Science, business, Civil and Structural Engineering
Abstract

The Thomson scattering diagnostic supplies the electron temperature and density of Tore Supra plasmas from the spectrum analysis of scattered light of a very short laser pulse. A new spectrometer has been realized to improve the signal to noise ratio. In order to obtain an efficient noise reduction, a real time calculation is necessary. The current analogue integration of the signal is inadequate. A fast digitalization must be used with a sampling rate of 1 GSamples by second, a bandwidth of 150 MHz and a 12 bit dynamic range. In a first step, fast analogue data acquisition boards for 4 channels were added in 2009 to the VME acquisition system in place. A MATACQ (Matrix for acquisition) board was chosen for sampling analogue data up to 2 GSamples/s over 4 channels with a large bandwidth of 300 MHz and a 14 bit dynamic range. This solution offers a low cost acquisition system that is not available in any other commercial board with this dynamic range. The first results will be obtained on calibration period with a light emitted diode before the summer 2009. This article will present the new data acquisition system and the coming first results.

Published
2011

3. Thomson scattering upgrade on Tore Supra

Author

F. Leroux, L. Manenc, and M. Moreau

Subjects
Spectrometer, Thomson scattering, Computer science, business.industry, Dynamic range, Mechanical Engineering, Noise reduction, Bandwidth (signal processing), Tore Supra, Nuclear magnetic resonance, Optics, Data acquisition, Nuclear Energy and Engineering, Sampling (signal processing), General Materials Science, business, Civil and Structural Engineering
Abstract

The Thomson scattering diagnostic supplies the electron temperature and density of Tore Supra plasmas from the spectrum analysis of scattered light of a very short laser pulse. A new spectrometer has been realized to improve the signal to noise ratio. In order to obtain an efficient noise reduction, a real time calculation is necessary. The current analogue integration of the signal is inadequate. A fast digitalization must be used with a sampling rate of 1 GSamples/s, a bandwidth of 150 MHz and a 12 bits dynamic range. In a first step, fast analogue data acquisition boards for 4 channels were added in 2009 to the VME acquisition system in place. A MATACQ (Matrix for acquisition) board was chosen for sampling analogue data up to 2 GSamples/s over 4 channels with a large bandwidth of 300 MHz and a 14 bits dynamic range. This solution offers a low cost acquisition system that is not available in any other commercial board with this dynamic range. The first results will be obtained on calibration period with a light emitted diode before the summer 2009. This article will present the new data acquisition system and the coming first results.

Published
2010

4. Overview of the deuterium inventory campaign in Tore Supra: Operational conditions and particle balance

Author

E. Delchambre, F. Samaille, P. Hertout, F. Kazarian, B. Pégourié, S. Vartanian, C. Desgranges, M. Kočan, G. Dunand, P. Monier-Garbet, M. Richou, M. Mayer, J. Y. Pascal, A. Beauté, A. Martinez, James Paul Gunn, A. Ekedahl, E. Aréou, Suk-Ho Hong, F. Linez, A. Escarguel, Céline Martin, R. Sabot, E. Tsitrone, C. Gil, Cécile Arnas, P. Moreau, O. Meyer, P. Oddon, J. Lasalle, Yannick Marandet, P. Devynck, S. Bremond, L. Manenc, D. Douai, F. Saint-Laurent, Eric Gauthier, Y. Corre, F. Rimini, J. Bucalossi, J. Roth, C. Brosset, Pascale Roubin, and S. Carpentier

Subjects
Nuclear and High Energy Physics, Toroid, Chemistry, Nuclear engineering, Plasma, Fusion power, Tore Supra, Nuclear physics, Nuclear Energy and Engineering, Deuterium, Limiter, Particle, General Materials Science, Saturation (chemistry)
Abstract

A specific experiment was performed in Tore Supra, dedicated to the search for consistency between wall inventories estimated from gas balance and post-mortem analysis and to the characterization of the D-retention mechanism. More than 160 similar discharges were performed, representing a cumulative time of 18 000 s of plasma with no intermediate conditioning procedure. The only significant operational issue was linked to the ejection of flakes from the plasma facing components, whose frequency increased dramatically during the campaign, triggering a plasma detachment phase followed by a disruption in number of cases. In-vessel inventory was increased by ∼3.1 × 1024 D, and constant retention rate (∼2.3 × 1020 D/s averaged over discharge duration) was measured, with no indication of wall saturation. First measurements on dismantled tiles of the Toroidal Pump Limiter (TPL) show [D]/[C] ratios ranging from 0.04 to 0.20, on a typical thickness of 15–20 μm. Extrapolated to the whole TPL, this yields an amount of ∼(1.5 ± 0.3) × 1024 D, i.e. ∼50% of the estimated in-vessel inventory.

Published
2009

5. Investigation of steady-state tokamak issues by long pulse experiments on Tore Supra

Author

Nicolas Crouseilles, R. Guirlet, J. Hourtoule, W. Xiao, J. L. Gardarein, Frédéric Schwander, E. Delchambre, A. Martinez, F. Bouquey, D. Boilson, M. Richou, L. Allegretti, V. Lamaison, T. Loarer, B. Lacroix, A. Vatry, W. Zwingmann, D. Ciazynski, J. Decker, P. Hertout, A. Bécoulet, R. Abgrall, M. Chatelier, B. Guillerminet, J. Lasalle, Yannick Marandet, M. Lipa, S. Nicollet, C. Reux, F. Benoit, E. Delmas, P. Reynaud, J. Y. Journeaux, F. Jullien, H. Bottollier-Curtet, Y. Buranvand, M. Schneider, D. Moreau, Karl Vulliez, M. Tena, P. Pastor, C. Le Niliot, S. Balme, G. Falchetto, V. Martin, L. Svensson, S. H. Hong, C. Laviron, M. Houry, J. M. Theis, S. Madeleine, T. Hutter, T. Salmon, L. Manenc, C. Bouchand, M. Davi, S. Rosanvallon, N. Dolgetta, Pascale Roubin, Eric Nardon, L.-G. Eriksson, B. Pégourié, D. Douai, O. Chaibi, Patrick Mollard, Didier Mazon, J. P. Gunn, Marie Farge, M. Prou, M. Thonnat, L. Begrambekov, J. Garcia, Philippe Ghendrih, L. Colas, Jacques Blum, J. Clary, P. Spuig, C. Gil, M. Kocan, Ph. Lotte, Paolo Angelino, B. Saoutic, M. Ottaviani, P. Devynck, X. Courtois, L. Doceul, Gilles Berger-By, Patrick Tamain, Marc Missirlian, K. Schneider, Yanick Sarazin, Lena Delpech, J.M. Ané, Pascale Hennequin, A. Durocher, Patrick Maget, P. Huynh, David Henry, P. Decool, Marc Goniche, F. Clairet, Julien Hillairet, A. Geraud, J. Signoret, Stéphane Heuraux, P. Bayetti, T. Gerbaud, X. L. Zou, Y. Peysson, H. Parrat, L. Million, Jérôme Bucalossi, S. Hacquin, Clarisse Bourdelle, F. Samaille, Bernard Bertrand, E. Sonnendruker, G. Chevet, A. Simonin, Ph. Cara, J. L. Maréchal, J. Johner, M. S. Benkadda, J. C. Hatchressian, R. Magne, J. Schlosser, A. Grosman, F. Brémond, R. Masset, Estelle Gauthier, S. Song, G. Giruzzi, M. Nannini, Caroline Hernandez, H.P.L. de Esch, P. Garibaldi, R. J. Dumont, Stanislas Pamela, M. Geynet, C. Nguyen, L. Zani, A. Casati, Cyrille Honoré, G. Gros, Fabrice Rigollet, A. Argouarch, Yann Corre, A. Marcor, H. Dougnac, E. Tsitrone, C. Grisolia, D. Pacella, Guillaume Latu, Céline Martin, T. Aniel, G. Darmet, R. Daviot, J.P. Martins, J. L. Farjon, P. Magaud, A. Ekedahl, Francesca Turco, D. Elbeze, P. Beyer, S. Carpentier, Roger Reichle, F. Faisse, X. Litaudon, R. Guigon, F.G. Rimini, F. Linez, L. Gargiulo, C. Fenzi-Bonizec, G. Marbach, Alexandre Torre, P. Monier-Garbet, N. Ravenel, Laure Vermare, J.-M. Travere, Xavier Garbet, R. Mitteau, H. Roche, C. Desgranges, V. Moncada, F. Villecroze, Jean-François Luciani, G. Ciraolo, F. Kazarian, J. Roth, C. Brosset, F. Saint-Laurent, H. Nehme, T. Parisot, Nicolas Fedorczak, F. Escourbiac, D. Guilhem, J. L. Duchateau, P. Moreau, O. Meyer, D. Yu, A. L. Pecquet, V. Petrzilka, E. Trier, Roland Sabot, G. T. A. Huysmans, G. T. Hoang, E. Joffrin, L. Meunier, P. Chantant, C. Portafaix, D. Voyer, J. C. Vallet, S. Salasca, J. L. Segui, A. Santagiustina, J.F. Artaud, G. Dunand, M. Lennholm, Frederic Imbeaux, V. Grandgirard, A. Escarguel, F. Leroux, Y. Lausenaz, P. Chappuis, V. Basiuk, F. Lott, Hinrich Lütjens, Sylvain Brémond, D. Villegas, Marina Becoulet, Institut de Recherche sur la Fusion par confinement Magnétique (IRFM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Centre de Physique Théorique [Palaiseau] (CPHT), École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Institut de Mathématiques de Bordeaux (IMB), Université Bordeaux Segalen - Bordeaux 2-Université Sciences et Technologies - Bordeaux 1-Université de Bordeaux (UB)-Institut Polytechnique de Bordeaux (Bordeaux INP)-Centre National de la Recherche Scientifique (CNRS), Institut Jean Lamour (IJL), Institut de Chimie du CNRS (INC)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Association EURATOM-CEA (CEA/DSM/DRFC), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X), and Université Bordeaux Segalen - Bordeaux 2-Université Sciences et Technologies - Bordeaux 1 (UB)-Université de Bordeaux (UB)-Institut Polytechnique de Bordeaux (Bordeaux INP)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Nuclear and High Energy Physics, fusion, Tokamak, MHD, Nuclear engineering, Cyclotron, Ultra-high vacuum, Electron, Tore Supra, 01 natural sciences, 7. Clean energy, 010305 fluids & plasmas, law.invention, Nuclear physics, law, [PHYS.PHYS.PHYS-PLASM-PH]Physics [physics]/Physics [physics]/Plasma Physics [physics.plasm-ph], 0103 physical sciences, 52.35, 010306 general physics, ComputingMilieux_MISCELLANEOUS, Physics, Magnetic confinement fusion, plasma heating, Plasma, Condensed Matter Physics, Magnetohydrodynamics
Abstract

The main results of the Tore Supra experimental programme in the years 2007–2008 are reported. They document significant progress achieved in the domain of steady-state tokamak research, as well as in more general issues relevant for ITER and for fusion physics research. Three areas are covered: ITER relevant technology developments and tests in a real machine environment, tokamak operational issues for high power and long pulses, and fusion plasma physics. Results presented in this paper include test and validation of a new, load-resilient concept of ion cycotron resonance heating antenna and of an inspection robot operated under ultra-high vacuum and high temperature conditions; an extensive experimental campaign (5 h of plasma) aiming at deuterium inventory and carbon migration studies; real-time control of sawteeth by electron cyclotron current drive in the presence of fast ion tails; ECRH-assisted plasma start-up studies; dimensionless scalings of transport and turbulence; transport experiments using active perturbation methods; resistive and fast-particle driven MHD studies. The potential role of Tore Supra in the worldwide fusion programme before the start of ITER operation is also discussed.

Published
2009

6. Science and technology research and development in support to ITER and the Broader Approach at CEA

Author

A. Bécoulet, G.T. Hoang, J. Abiteboul, J. Achard, T. Alarcon, J. Alba-Duran, L. Allegretti, S. Allfrey, S. Amiel, J.M. Ané, T. Aniel, G. Antar, A. Argouarch, A. Armitano, J. Arnaud, D. Arranger, J.F. Artaud, D. Audisio, M. Aumeunier, E. Autissier, L. Azcona, A. Back, A. Bahat, X. Bai, B. Baiocchi, D. Balaguer, S. Balme, C. Balorin, O. Barana, D. Barbier, A. Barbuti, V. Basiuk, O. Baulaigue, P. Bayetti, C. Baylard, S. Beaufils, A. Beaute, M. Bécoulet, Z. Bej, S. Benkadda, F. Benoit, G. Berger-By, J.M. Bernard, A. Berne, B. Bertrand, E. Bertrand, P. Beyer, A. Bigand, G. Bonhomme, G. Borel, A. Boron, C. Bottereau, H. Bottollier-Curtet, C. Bouchand, F. Bouquey, C. Bourdelle, J. Bourg, S. Bourmaud, S. Brémond, F. Bribiesca Argomedo, M. Brieu, C. Brun, V. Bruno, J. Bucalossi, H. Bufferand, Y. Buravand, L. Cai, V. Cantone, B. Cantone, E. Caprin, T. Cartier-Michaud, A. Castagliolo, J. Belo, V. Catherine-Dumont, G. Caulier, J. Chaix, M. Chantant, M. Chatelier, D. Chauvin, J. Chenevois, B. Chouli, L. Christin, D. Ciazynski, G. Ciraolo, F. Clairet, R. Clapier, H. Cloez, M. Coatanea-Gouachet, L. Colas, G. Colledani, L. Commin, P. Coquillat, E. Corbel, Y. Corre, J. Cottet, P. Cottier, X. Courtois, I. Crest, R. Dachicourt, M. Dapena Febrer, C. Daumas, H.P.L. de Esch, B. De Gentile, C. Dechelle, J. Decker, P. Decool, V. Deghaye, J. Delaplanche, E. Delchambre-Demoncheaux, L. Delpech, C. Desgranges, P. Devynck, J. Dias Pereira Bernardo, G. Dif-Pradalier, L. Doceul, Y. Dong, D. Douai, H. Dougnac, N. Dubuit, J.-L. Duchateau, L. Ducobu, B. Dugue, N. Dumas, R. Dumont, A. Durocher, F. Duthoit, A. Ekedahl, D. Elbeze, A. Escarguel, J. Escop, F. Faïsse, G. Falchetto, J. Farjon, M. Faury, N. Fedorzack, P. Féjoz, C. Fenzi, F. Ferlay, P. Fiet, M. Firdaouss, M. Francisquez, B. Franel, J. Frauche, Y. Frauel, R. Futtersack, X. Garbet, J. Garcia, J. Gardarein, L. Gargiulo, P. Garibaldi, P. Garin, D. Garnier, E. Gauthier, O. Gaye, A. Geraud, M. Gerome, V. Gervaise, M. Geynet, P. Ghendrih, I. Giacalone, S. Gibert, C. Gil, S. Ginoux, L. Giovannangelo, S. Girard, G. Giruzzi, C. Goletto, R. Goncalves, R. Gonde, M. Goniche, R. Goswami, C. Grand, V. Grandgirard, B. Gravil, C. Grisolia, G. Gros, A. Grosman, J. Guigue, D. Guilhem, C. Guillemaut, B. Guillerminet, Z. Guimaraes Filho, R. Guirlet, J. P. Gunn, O. Gurcan, F. Guzman, S. Hacquin, F. Hariri, F. Hasenbeck, J.C. Hatchressian, P. Hennequin, C. Hernandez, P. Hertout, S. Heuraux, J. Hillairet, C. Honore, G. Hornung, M. Houry, I. Hunstad, T. Hutter, P. Huynh, V. Icard, F. Imbeaux, M. Irishkin, L. Isoardi, J. Jacquinot, J. Jacquot, G. Jiolat, M. Joanny, E. Joffrin, J. Johner, P. Joubert, L. Jourd'Heuil, M. Jouve, C. Junique, D. Keller, C. Klepper, D. Kogut, M. Kubič, F. Labassé, B. Lacroix, Y. Lallier, V. Lamaison, R. Lambert, S. Larroque, G. Latu, Y. Lausenaz, C. Laviron, R. Le, A. Le Luyer, C. Le Niliot, Y. Le Tonqueze, P. Lebourg, T. Lefevre, F. Leroux, L. Letellier, Y. Li, M. Lipa, J. Lister, X. Litaudon, F. Liu, T. Loarer, G. Lombard, P. Lotte, M. Lozano, J. Lucas, H. Lütjens, P. Magaud, P. Maget, R. Magne, J.-F. Mahieu, P. Maini, P. Malard, L. Manenc, Y. Marandet, G. Marbach, J.-L. Marechal, L. Marfisi, M. Marle, C. Martin, V. Martin, G. Martin, A. Martinez, P. Martino, R. Masset, D. Mazon, N. Mellet, L. Mercadier, A. Merle, D. Meshcheriakov, P. Messina, O. Meyer, L. Millon, M. Missirlian, J. Moerel, D. Molina, P. Mollard, V. Moncada, P. Monier-Garbet, D. Moreau, M. Moreau, P. Moreau, P. Morel, T. Moriyama, Y. Motassim, G. Mougeolle, D. Moulton, G. Moureau, D. Mouyon, M. Naim Habib, E. Nardon, V. Négrier, J. Nemeth, C. Nguyen, M. Nguyen, L. Nicolas, T. Nicolas, S. Nicollet, E. Nilsson, B. N'Konga, F. Noel, A. Nooman, C. Norscini, R. Nouailletas, P. Oddon, T. Ohsako, F. Orain, M. Ottaviani, M. Pagano, F. Palermo, S. Panayotis, H. Parrat, J.-Y. Pascal, C. Passeron, P. Pastor, J. Patterlini, K. Pavy, A.-L. Pecquet, B. Pégourié, C. Peinturier, T. Pelletier, B. Peluso, V. Petrzilka, Y. Peysson, E. Pignoly, R. Pirola, C. Pocheau, E. Poitevin, V. Poli, S. Poli, F. Pompon, I. Porchy, C. Portafaix, M. Preynas, P. Prochet, M. Prou, A. Ratnani, D. Raulin, N. Ravenel, S. Renard, B. Ricaud, M. Richou, G. Ritz, H. Roche, P. Roubin, C. Roux, K. Ruiz, F. Sabathier, R. Sabot, A. Saille, F. Saint-Laurent, R. Sakamoto, S. Salasca, T. Salmon, F. Samaille, S. Sanchez, A. Santagiustina, B. Saoutic, Y. Sarazin, P. Sardain, J. Schlosser, M. Schneider, J. Schwob, J. Segui, N. Seguin, G. Selig, D. Serret, J. Signoret, A. Simonin, M. Soldaini, B. Soler, C. Soltane, S. Song, F. Sourbier, J. Sparagna, P. Spitz, P. Spuig, A. Storelli, A. Strugarek, P. Tamain, M. Tena, J. Theis, O. Thomine, D. Thouvenin, A. Torre, L. Toulouse, J. Travère, E. Tsitrone, B. Turck, J. Urban, J.-C. Vallet, J. Vallory, A. Valognes, J. Van Helvoirt, S. Vartanian, J.-M. Verger, L. Vermare, C. Vermare, D. Vezinet, K. Vicente, J. Vidal, N. Vignal, T. Vigne, F. Villecroze, E. Villedieu, B. Vincent, B. Volpe, D. Volpe, R. Volpe, J. Wagrez, H. Wang, T. Wauters, O. Wintersdorff, E. Wittebol, B. Zago, L. Zani, D. Zarzoso, Y. Zhang, W. Zhong, X.L. Zou, Institut de Recherche sur la Fusion par confinement Magnétique (IRFM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Physique des interactions ioniques et moléculaires (PIIM), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS), Institut Jean Lamour (IJL), Institut de Chimie du CNRS (INC)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique des Plasmas (LPP), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-École polytechnique (X)-Sorbonne Université (SU)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Centre de Physique Théorique [Palaiseau] (CPHT), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X), École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), and Université de Lorraine (UL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Nuclear and High Energy Physics, Engineering, Tokamak, business.industry, Superconducting magnet, Tore Supra, Condensed Matter Physics, 7. Clean energy, 01 natural sciences, Phase (combat), 010305 fluids & plasmas, law.invention, Procurement, Runaway electrons, law, [PHYS.PHYS.PHYS-PLASM-PH]Physics [physics]/Physics [physics]/Plasma Physics [physics.plasm-ph], 0103 physical sciences, Systems engineering, 010306 general physics, business, ComputingMilieux_MISCELLANEOUS
Abstract

Équipe 107 : Physique des plasmas chauds; International audience; In parallel to the direct contribution to the procurement phase of ITER and Broader Approach, CEA has initiated research & development programmes, accompanied by experiments together with a significant modelling effort, aimed at ensuring robust operation, plasma performance, as well as mitigating the risks of the procurement phase. This overview reports the latest progress in both fusion science and technology including many areas, namely the mitigation of superconducting magnet quenches, disruption-generated runaway electrons, edge-localized modes (ELMs), the development of imaging surveillance, and heating and current drive systems for steady-state operation. The WEST (W Environment for Steady-state Tokamaks) project, turning Tore Supra into an actively cooled W-divertor platform open to the ITER partners and industries, is presented.

7. Assessing feasibility and satisfaction in third-trimester pre-anaesthetic teleconsultations: A prospective observational study.

Author

Sassi K, Tardif E, Lasry L, Manenc L, Guerby P, and Minville V

Abstract

Background and Aims: Pregnancy presents risks, particularly for women with pre-existing health problems. Pre-anaesthetic consultations can help anticipate these risks and establish a medical management strategy on the delivery day. While teleconsultations gained popularity during the coronavirus disease 2019 (COVID-19) pandemic, research on pre-anaesthetic teleconsultations during pregnancy is limited. This study aimed to assess patient satisfaction and physician perception of teleconsultations for third-trimester pre-anaesthetic consultations., Methods: A prospective observational study included pregnant women who opted for teleconsultations for pre-anaesthetic consultations. Patient satisfaction was assessed using Likert scale questions and the System Use Scale. Anaesthetist satisfaction was evaluated using a Likert scale and by considering changes in anaesthetic techniques and missing clinical data in the pre-anaesthetic assessment. Data analysis utilised SPSS Statistics for Windows, Version 20.0. encompassing descriptive statistics, hypothesis testing and odds ratio calculations. This approach explored the correlation between patient and anaesthetist satisfaction and pertinent risk factors., Results: The study enroled 99 patients, with 85% expressing satisfaction and high satisfaction on the Likert scale and 88% finding the teleconsultation acceptable based on the System Use Scale (score ≥ 70). Anaesthetists reported being satisfied with the pre-anaesthetic consultations in 94% of cases., Conclusion: This study demonstrates the feasibility and effectiveness of telemedicine consultations in obstetric anaesthesia, showing high patient and anaesthetist satisfaction rates., Competing Interests: There are no conflicts of interest., (Copyright: © 2024 Indian Journal of Anaesthesia.)

Published
2024
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