Optimizing ion-cyclotron resonance frequency heating for ITER: Dedicated JET experiments

E. Lerche, D. Van Eester, J. Ongena, M.-L. Mayoral, M. Laxaback, F. Rimini, A. Argouarch, P. Beaumont, T. Blackman, V. Bobkov, D. Brennan, A. Brett, G. Calabro, M. Cecconello, I. Coffey, L. Colas, A. Coyne, K. Crombe, A. Czarnecka, R. DumontF. Durodie, R. Felton, D. Frigione, M. Gatu Johnson, C. Giroud, G. Gorini, M. Graham, C. Hellesen, T. Hellsten, S. Huygen, P. Jacquet, T. Johnson, V. Kiptily, S. Knipe, A. Krasilnikov, P. Lamalle, M. Lennholm, A. Loarte, R. Maggiora, M. Maslov, A. Messiaen, D. Milanesio, I. Monakhov, M. Nightingale, C. Noble, M. Nocente, L. Pangioni, I. Proverbio, C. Sozzi, M. Stamp, W. Studholme, M. Tardocchi, T.W. Versloot, V. Vdovin, M. Vrancken, A. Whitehurst, E. Wooldridge, V. Zoita

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Abstract

In the past years, one of the focal points of the JET experimental programme was on ion-cyclotron resonance heating (ICRH) studies in view of the design and exploitation of the ICRH system being developed for ITER. In this brief review, some of the main achievements obtained in JET in this field during the last 5 years will be summarized. The results reported here include important aspects of a more engineering nature, such as (i) the appropriate design of the RF feeding circuits for optimal load resilient operation and (ii) the test of a compact high-power density antenna array, as well as RF physics oriented studies aiming at refining the numerical models used for predicting the performance of the ICRH system in ITER. The latter include (i) experiments designed for improving the modelling of the antenna coupling resistance under various plasma conditions and (ii) the assessment of the heating performance of ICRH scenarios to be used in the non-active operation phase of ITER. © 2011 IOP Publishing Ltd.
Original languageEnglish
Article number124019
Pages (from-to)-
JournalPlasma Physics and Controlled Fusion
Volume53
Issue number12
DOIs
Publication statusPublished - Dec 2011
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

Cite this

Lerche, E., Van Eester, D., Ongena, J., Mayoral, M-L., Laxaback, M., Rimini, F., ... Zoita, V. (2011). Optimizing ion-cyclotron resonance frequency heating for ITER: Dedicated JET experiments. Plasma Physics and Controlled Fusion, 53(12), -. [124019]. https://doi.org/10.1088/0741-3335/53/12/124019