Resonant magnetic perturbations and edge ergodization on the COMPASS tokamak

被引：2
|
作者：
Cahyna, P. [1 ]
Becoulet, M. [2 ]
Panek, R. [1 ]
Fuchs, V. [1 ]
Nardon, E. [2 ]
Krlin, L. [1 ]
机构：
[1] Assoc EURATOM IPPCR, Inst Plasma Phys AS CR Vvi, Prague, Czech Republic
[2] CEA Cadarache, Assoc EURATOM CEA, F-13108 St Paul Les Durance, France
来源：
PLASMA PHYSICS REPORTS | 2008年 / 34卷 / 09期
关键词：
D O I：
10.1134/S1063780X08090080
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Results of calculations of resonant magnetic perturbation spectra on the COMPASS tokamak are presented. Spectra of the perturbations are calculated from the vacuum field of the perturbation coils. Ergodization is then estimated by applying the criterion of overlap of the resulting islands and verified by field line tracing. Results show that for the chosen configuration of perturbation coils an ergodic layer appears in the pedestal region. The ability to form an ergodic layer is similar to the theoretical results for the ELM suppression experiment at DIII-D; thus, a comparable effect on ELMs can be expected.
引用
收藏
页码：746 / 749
页数：4
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