ICRH physics and technology achievements in JET-ILW

P. Jacquet, D. Van Eester, E. Lerche, V. Bobkov, T. Blackman, L. Colas, C. Challis, A. Czarnecka, P. Dumortier, D. Frigione, F. Durodié, L. Garzotti, M. Goniche, J. Graves, Y. Kazakov, K. Kirov, C. C. Klepper, N. Krawczyk, A. Krivska, M. MantsinenI. Monakhov, I. Nunes, J. Ongena, M. Reinke, F. Rimini, W. Zhang

Publikation: Beitrag in FachzeitschriftKonferenzartikelBegutachtung

Abstract

ICRH was extensively used in the 2015-16 JET-ILW (ITER like wall) experimental campaign; bulk heating together with high-Z impurity chase-out from plasma centre importantly contributed to the good DD fusion performance obtained recently in JET. Power up to 6 MW was launched in H-mode deuterium plasmas and 8 MW during the hydrogen campaign. The ILA was re-installed and contributed positively to the availability of ICRH power. The ILA produces slightly less high-Z impurities than the A2's and the PWI measured via Be line emission on limiters is in the same ballpark. Specific experiments were conducted to optimise ICRH scenarios in preparation for DT in particular the dual frequency scheme, (H)D and (He)D were tested. In addition, it was confirmed that the (D)H scenario is accessible in a ILW environment and the novel 3-ions ICRH scheme was validated experimentally.

OriginalspracheEnglisch
Aufsatznummer02004
FachzeitschriftEPJ Web of Conferences
Jahrgang157
DOIs
PublikationsstatusVeröffentlicht - 23 Okt. 2017
Veranstaltung22nd Topical Conference on Radio-Frequency Power in Plasmas 2017 - Aix en Provence, Frankreich
Dauer: 30 Mai 20172 Juni 2017

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