ICRH physics and technology achievements in JET-ILW

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

doi:10.1051/epjconf/201715702004

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Document typeArticle

Defense date2017-10-23

PublisherEDP Sciences

Rights accessOpen Access

Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain

ProjectEUROfusion - Implementation of activities described in the Roadmap to Fusion during Horizon 2020 through a Joint programme of the members of the EUROfusion consortium (EC-H2020-633053)

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.

CitationJacquet, P. [et al.]. ICRH physics and technology achievements in JET-ILW. "EPJ Web of Conferences", 23 Octubre 2017, vol. 157.

URIhttp://hdl.handle.net/2117/110738

DOI10.1051/epjconf/201715702004

ISSN2100-014X

Publisher versionhttps://www.epj-conferences.org/articles/epjconf/abs/2017/26/epjconf_rfppc2017_02004/epjconf_rfppc2017_02004.html

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