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3 results on '"Alberto Ferro"'

1. EL DILEMA DE LOS GOBIERNOS

Author

Carlos Alberto Ferro

Subjects
Insolvencia, crisis, crédito, Commerce, HF1-6182, Shipment of goods. Delivery of goods, HF5761-5780, Private international law. Conflict of laws, K7000-7720, Naval Science
Abstract

Una crisis inmobiliaria, tal como la que ocurrió en EE. UU. entre 2007 y 2009, puede desencadenar una intensa crisis crediticia tanto a nivel nacional como internacional. La disminución de la construcción y la sobrevaloración de los activos pueden propagar la recesión e incertidumbre, afectando inicialmente al sistema financiero y posteriormente a la economía en general. Tanto el sector público como el privado pueden verse afectados, por lo que la rapidez y precisión en las decisiones de rescate por parte de los gobiernos resultan cruciales. Este trabajo aborda la actual crisis inmobiliaria en China, la cual tiene un impacto significativo en el sistema financiero del país y compromete otras áreas como el endeudamiento público y el crecimiento económico, debido a la magnitud de los valores en disputa

Published
2023
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2. Overview on electrical issues faced during the SPIDER experimental campaigns

Author

Alberto Maistrello, Matteo Agostini, Marco Bigi, Matteo Brombin, Mattia Dan, Riccardo Casagrande, Marco De Nardi, Alberto Ferro, Elena Gaio, Palak Jain, Francesco Lunardon, Nicolò Marconato, Diego Marcuzzi, Mauro Recchia, Tommaso Patton, Mauro Pavei, Francesco Santoro, Vanni Toigo, Loris Zanotto, Marco Barbisan, Lucio Baseggio, Marco Bernardi, Giovanni Berton, Marco Boldrin, Samuele Dal Bello, Daniele Fasolo, Luca Franchin, Raffaele Ghiraldelli, Luca Grando, Ruggero Milazzo, Antonio Pimazzoni, Andrea Rigoni, Emanuele Sartori, Gianluigi Serianni, Alastair Shepherd, Margherita Ugoletti, Barbara Zaniol, Daniele Zella, Enrico Zerbetto, Hans Decamps, Chandramouli Rotti, and Pierluigi Veltri

Subjects
Plasma Physics (physics.plasm-ph), NBI, SPIDER, RF driven ion source, Physics - Instrumentation and Detectors, Nuclear Energy and Engineering, Mechanical Engineering, FOS: Physical sciences, General Materials Science, Instrumentation and Detectors (physics.ins-det), Physics - Plasma Physics, Civil and Structural Engineering
Abstract

SPIDER is the full-scale prototype of the ion source of the ITER Heating Neutral Beam Injector, where negative ions of Hydrogen or Deuterium are produced by a RF generated plasma and accelerated with a set of grids up to ~100 keV. The Power Supply System is composed of high voltage dc power supplies capable of handling frequent grid breakdowns, high current dc generators for the magnetic filter field and RF generators for the plasma generation. During the first 3 years of SPIDER operation different electrical issues were discovered, understood and addressed thanks to deep analyses of the experimental results supported by modelling activities. The paper gives an overview on the observed phenomena and relevant analyses to understand them, on the effectiveness of the short-term modifications provided to SPIDER to face the encountered issues and on the design principle of long-term solutions to be introduced during the currently ongoing long shutdown., 8 pages, 12 figures. Presented at SOFT 2022

Published
2023
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