Search Results - "Rozier, Yoann"

Glow-to-arc transition in graphite cathode with high-current magnetron discharge by Morel, Erwan, Rozier, Yoann, Minea, Tiberiu

“…The glow-to-arc transition is a critical phenomenon in plasma discharges, commonly leading to detrimental effects. The physical mechanisms triggering this…”
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Numerical Studies on the Influence of Cavity Thermal Expansion on the Performance of a High-Power Gyrotron by Avramidis, Konstantinos A., Bertinetti, Andrea, Albajar, Ferran, Cau, Francesca, Cismondi, Fabio, Gantenbein, Gerd, Illy, Stefan, Ioannidis, Zisis C., Jelonnek, John, Legrand, Francois, Pagonakis, Ioannis Gr, Rozier, Yoann, Rzesnicki, Tomasz, Savoldi, Laura, Thumm, Manfred, Zanino, Roberto

“…An iterative procedure is described, which models the influence of the thermal expansion of the gyrotron cavity on the expected gyrotron performance. It is a…”
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CFD Analysis of Different Cooling Options for a Gyrotron Cavity by Savoldi, Laura, Bertinetti, Andrea, Nallo, Giuseppe Francesco, Zappatore, Andrea, Zanino, Roberto, Cau, Francesca, Cismondi, Fabio, Rozier, Yoann

“…Three different pressurized subcooled water cooling options [hypervapotron, mini-channels (MCs), and meander flow drivers] for a full-size gyrotron cavity are…”
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Towards the optimization of the thermal–hydraulic performance of gyrotron collectors by Savoldi, Laura, Bertani, Cristina, Cau, Francesca, Cismondi, Fabio, Gantenbein, Gerd, Illy, Stefan, Monni, Grazia, Rozier, Yoann, Zanino, Roberto

“…Different configurations of water-cooled Cu collector for gyrotrons are investigated using the StarCCM+CFD code, aimed at optimizing its thermal–hydraulic (TH)…”
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From Series Production of Gyrotrons for W7-X Toward EU-1 MW Gyrotrons for ITER by Jelonnek, John, Albajar, Ferran, Alberti, Stefano, Avramidis, Konstantinos, Benin, Patrick, Bonicelli, Tullio, Cismondi, Fabio, Erckmann, Volker, Gantenbein, Gerd, Hesch, Klaus, Hogge, Jean-Philippe, Illy, Stefan, Ioannidis, Zisis C., Jin, Jianbo, Laqua, Heinrich, Latsas, George P., Legrand, Francois, Michel, Georg, Pagonakis, Ioannis G., Piosczyk, Bernhard, Rozier, Yoann, Rzesnicki, Tomasz, Tigelis, Ioannis G., Thumm, Manfred, Tran, Minh Quang, Vomvoridis, John L.

“…Europe is devoting significant joint efforts to develop and to manufacture MW-level gyrotrons for electron cyclotron heating and current drive of future plasma…”
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Status of the development of the EU 170 GHz/1 MW/CW gyrotron by Pagonakis, Ioannis Gr, Albajar, Ferran, Alberti, Stefano, Avramidis, Konstantinos, Bonicelli, Tullio, Braunmueller, Falk, Bruschi, Alex, Chelis, Ioannis, Cismondi, Fabio, Gantenbein, Gerd, Hermann, Virgile, Hesch, Klaus, Hogge, Jean-Philippe, Jelonnek, John, Jin, Jianbo, Illy, Stefan, Ioannidis, Zisis C., Kobarg, Thorsten, Latsas, George P., Legrand, Francois, Lontano, Maurizio, Piosczyk, Bernhard, Rozier, Yoann, Rzesnicki, Tomasz, Samartsev, Andrey, Schlatter, Christian, Thumm, Manfred, Tigelis, Ioannis G., Tran, Minh-Quang, Tran, Trach-Minh, Weggen, Joerg, Vomvoridis, John L.

“…The progress in the development of the European 170 GHz, 1 MW/CW gyrotron for electron cyclotron heating & current drive (ECH&CD) on ITER is reported. A…”
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Status of the development of the EU 170GHz/1MW/CW gyrotron by Pagonakis, Ioannis Gr, Albajar, Ferran, Alberti, Stefano, Avramidis, Konstantinos, Bonicelli, Tullio, Braunmueller, Falk, Bruschi, Alex, Chelis, Ioannis, Cismondi, Fabio, Gantenbein, Gerd, Hermann, Virgile, Hesch, Klaus, Hogge, Jean-Philippe, Jelonnek, John, Jin, Jianbo, Illy, Stefan, Ioannidis, Zisis C., Kobarg, Thorsten, Latsas, George P., Legrand, Francois, Lontano, Maurizio, Piosczyk, Bernhard, Rozier, Yoann, Rzesnicki, Tomasz, Samartsev, Andrey, Schlatter, Christian, Thumm, Manfred, Tigelis, Ioannis G., Tran, Minh-Quang, Tran, Trach-Minh, Weggen, Joerg, Vomvoridis, John L.

“…The progress in the development of the European 170GHz, 1MW/CW gyrotron for electron cyclotron heating & current drive (ECH&CD) on ITER is reported. A…”
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A high efficiency UHF klystron for proton linacs by Beunas, Armel, Rozier, Yoann, Marchesin, Rodolphe, Poirot, Christian, Piquet, Jean Luc

“…Thales has successfully designed and built a high power, long pulse, high efficiency UHF klystron prototype for proton linac sources. The TH2182 reference…”
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Manufacturing and tests of the European 1 MW, 170 GHz CW gyrotron prototype for ITER by Rozier, Yoann, Albajar, Ferran, Alberti, Stefano, Avramidis, Konstantinos A., Bonicelli, Tullio, Cismondi, Fabio, Frigot, Pierre-Etienne, Gantenbein, Gerd, Hermann, Virgile, Hogge, Jean-Philippe, Jelonnek, John, Jin, Jianbo, Legrand, Francois, Lietaer, Gerald, Pagonakis, Ioannis Gr, Rzesnicki, Tomasz, Thumm, Manfred

“…An industrial 1 MW, 170 GHz continuous-wave (CW) gyrotron prototype has been manufactured in 2015 at Thales. The physical design is provided by the European…”
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7.1: TWT and X-Ray devices based on carbon nano-tubes by Andre, Frederic, Ponard, Pascal, Rozier, Yoann, Bourat, Chistophe, Gangloff, Laurent, Xavier, Stephane

“…Field emission cathodes using carbon nano-tubes (CNT) are considered for various vacuum devices in the future. We present a TWT for satellite systems and an…”
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From W7-X towards ITER and beyond: Status and progress in EU fusion gyrotron developments by Jelonnek, John, Aiello, Gaetano, Avramidis, Konstantinos, Franck, Joachim, Gantenbein, Gerd, Grossetti, Giovanni, Hesch, Klaus, Illy, Stefan, Jianbo Jin, Kalaria, Parth, Pagonakis, Ioannis Gr, Rzesnicki, Tomasz, Ruess, Sebastian, Samartsev, Andrey, Scherer, Theo, Strauss, Dirk, Chuanren Wu, Thumm, Manfred, Alberti, Stefano, Braunmueller, Falk, Genoud, Jeremy, Hogge, Jean-Philippe, Schlatter, Christian, Trach-Minh Tran, Minh Quang Tran, Chelis, Ioannis, Vomvoridis, John L., Ioannidis, Zisis C., Latsas, George, Tigelis, Ioannis G., Bruschi, Alex, Lontano, Maurizio, Hermann, Virgile, Legrand, Francois, Rozier, Yoann, Albajar, Ferran, Bonicelli, Tullio, Cismondi, Fabio

“…In Europe, significant progress in gyrotron research, development and manufacturing has been made in 2014, starting from the successful continuation of the 1…”
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