Operational characteristics of the high flux plasma generator Magnum-PSI |
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| Affiliation: | 1. FOM Institute DIFFER, Dutch Institute For Fundamental Energy Research, Association EURATOM-FOM, Trilateral Euregio Cluster, P.O. Box 1207, 3430 BE Nieuwegein, The Netherlands;2. Princeton Plasma Physics Laboratory, Princeton, NJ 08543, USA;1. Karlsruhe Institute of Technology KIT, Institute for Neutron Physics and Reactor Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany;2. ITER Organization, Route de Vinon sur Verdon, 13115 Saint Paul Lez Durance, France;1. Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan;2. Japan Atomic Energy Agency, Naka Fusion Institute, Ibaraki 311-0193, Japan;3. Faculty of Science and Technology, Keio University, Kanagawa 220-8522, Japan;4. National Institute for Fusion Science, Oroshi 322-6, Toki 509-5292, Japan;5. Institute of Advanced Energy, Kyoto University, Kyoto 611-0011, Japan;6. Radiation Research Center, Osaka Prefecture University, Osaka 599-8570, Japan;7. Institute for Material Research, Tohoku University, Sendai 980-8577, Japan;8. Graduate School of Engineering, Hiroshima University, Hiroshima 739-8527, Japan;9. Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan;10. Graduate School of Science, Tokai University, Kanagawa 259-1292, Japan;11. Graduate School of Engineering, Osaka University, Osaka 565-0871, Japan;1. Key Laboratory of Advanced Materials, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;2. Science and Technology on Surface Physics and Chemistry Laboratory, Mianyang, Sichuan 621907, China;3. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, China;4. Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB Delft, The Netherlands;5. FOM Institute DIFFER – Dutch Institute for Fundamental Energy Research, Trilateral Euregio Cluster, Edisonbaan 14, 3439 MN Nieuwegein, The Netherlands |
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| Abstract: | In Magnum-PSI (MAgnetized plasma Generator and NUMerical modeling for Plasma Surface Interactions), the high density, low temperature plasma of a wall stabilized dc cascaded arc is confined to a magnetized plasma beam by a quasi-steady state axial magnetic field up to 1.3 T. It aims at conditions that enable fundamental studies of plasma–surface interactions in the regime relevant for fusion reactors such as ITER: 1023–1025 m−2 s−1 hydrogen plasma flux densities at 1–5 eV. To study the effects of transient heat loads on a plasma-facing surface, a high power pulsed magnetized arc discharge has been developed. Additionally, the target surface can be transiently heated with a pulsed laser system during plasma exposure. In this contribution, the current status, capabilities and performance of Magnum-PSI are presented. |
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| Keywords: | ITER Plasma–surface interactions ELMs Linear plasma device Lithium coatings |
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