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Optimization of ICRH for core impurity control in JET-ILW
- 1.0459973 - ÚFP 2017 RIV AT eng J - Journal Article
Lerche, E. - Goniche, M. - Jacquet, P. - Van Eester, D. - Bobkov, V. - Colas, L. - Giroud, C. - Monakhov, I. - Casson, F.J. - Rimini, F. - Angioni, C. - Baruzzo, M. - Blackman, T. - Brezinsek, S. - Brix, M. - Czarnecka, A. - Crombé, K. - Challis, C. - Dumont, R. - Eriksson, J. - Fedorczak, N. - Graham, M. - Graves, J.P. - Gorini, G. - Hobirk, J. - Joffrin, E. - Johnson, T. - Kazakov, Y. - Kiptily, V. - Krivska, A. - Lennholm, M. - Lomas, P. - Maggi, C. - Mantica, P. - Mathews, G. - Mayoral, M.-L. - Meneses, L. - Mlynář, Jan - Monier-Garbet, P. - Nave, M.F. - Noble, C. - Nocente, M. - Nunes, I. - Ongena, J. - Petravich, G. - Petržílka, Václav - Pütterich, T. - Reich, M. - Santala, M. - Solano, E.R. - Shaw, A. - Sips, G. - Stamp, M. - Tardocchi, M. - Tsalas, M. - Valisa, M.
Optimization of ICRH for core impurity control in JET-ILW.
Nuclear Fusion. Roč. 56, č. 3 (2016), s. 036022. ISSN 0029-5515. E-ISSN 1741-4326
EU Projects: European Commission(XE) 633053 - EUROfusion
Institutional support: RVO:61389021
Keywords : ICRF heating * tokamak * ITER-like wall * JET
OECD category: Fluids and plasma physics (including surface physics)
Impact factor: 3.307, year: 2016
http://iopscience.iop.org/article/10.1088/0029-5515/56/3/036022
Ion cyclotron resonance frequency (ICRF) heating has been an essential component in the development of high power H-mode scenarios in the Jet European Torus ITER-like wall (JET-ILW). The ICRF performance was improved by enhancing the antenna-plasma coupling with dedicated main chamber gas injection, including the preliminary minimization of RF-induced plasma-wall interactions, while the RF heating scenarios where optimized for core impurity screening in terms of the ion cyclotron resonance position and the minority hydrogen concentration. The impact of ICRF heating on core impurity content in a variety of 2.5 MA JET-ILW H-mode plasmas will be presented, and the steps that were taken for optimizing ICRF heating in these experiments will be reviewed.
Permanent Link: http://hdl.handle.net/11104/0260132
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