Recent H majority inverted radio frequency heating scheme experiments in JET-ILW

Dirk Van Eester, Ernesto Lerche, Yevgen Kazakov, Philippe Jacquet, Yuri Baranov, Volodymyr Bobkov, Kristel Crombé, Agata Czarnecka, Remi Dumont, Pierre Dumortier, Jacob Eriksson, Luca Giacomelli, Carine Giroud, Marc Goniche, Carl Hellesen, Vasily Kiptily, Natalia Krawczyk, Tuomas Koskela, Filomena Nave, Massimo NocenteJef Ongena, Marko Santala, Mirko Salewski, Mireille Schneider, Henri Weisen, J. Hillairet

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Inverted 3He and D ion cyclotron minority heating scenarios were recently tested in JET-ILW. They confirm the good heating efficiency at low concentrations of ~3%. The 3He minority heating scheme is only modestly affected by the change from a carbon (JET-C) to a Beryllium (JET-ILW) wall but unlike what was the case in JET-C, the intrinsic Be ions D-like particles in terms of charge-over-mass ratio do not prevent the D (or 4He) minority regime from being exploited. Direct and indirect evidence of the existence of fast particle subpopulations was found in both cases.
Original languageEnglish
Article number03061
JournalE P J Web of Conferences
Number of pages4
Publication statusPublished - 2017

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