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research article

Optimization of ICRH for core impurity control in JET-ILW

Lerche, E
•
Goniche, M
•
Jacquet, P
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2016
Nuclear Fusion

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.

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Type
research article
DOI
10.1088/0029-5515/56/3/036022
Web of Science ID

WOS:000373378200023

Author(s)
Lerche, E
Goniche, M
Jacquet, P
Van Eester, D
Bobkov, V
Colas, L
Giroud, C
Monakhov, I
Casson, F J
Rimini, F
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Corporate authors
JET Contr
Date Issued

2016

Publisher

IOP Publishing Ltd

Published in
Nuclear Fusion
Volume

56

Issue

1

Article Number

036022

Subjects

ICRF heating

•

tokamak

•

ITER-like wall

•

JET

URL

URL

https://crpplocal.epfl.ch/pinboard/jpapers/1601601.pdf
Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SPC  
Available on Infoscience
May 20, 2016
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/126240
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