Resonant magnetic perturbations and edge ergodization on the COMPASS tokamak

被引：0
|
作者：
P. Cahyna
M. Bécoulet
R. Pánek
V. Fuchs
E. Nardon
L. Krlin
机构：
[1] Association EURATOM/IPP.CR,Institute of Plasma Physics AS CR v.v.i
[2] CEA Cadarache,Association EURATOM
来源：
Plasma Physics Reports | 2008年 / 34卷
关键词：
52.55.Fa;
D O I：
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学科分类号：
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.
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页码：746 / 749
页数：3
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