Effect of passive structure and toroidal rotation on resistive wall mode stability in the EAST tokamak

doi:10.1088/1674-1056/23/7/075205

›› 2014, Vol. 23 ›› Issue (7): 75205-075205.doi: 10.1088/1674-1056/23/7/075205

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇下一篇

Effect of passive structure and toroidal rotation on resistive wall mode stability in the EAST tokamak

刘广君^{a b}, 万宝年^a, 孙有文^a, 刘钺强^c, 郭文峰^a, 郝广周^d, 丁斯晔^a, 沈飙^a, 肖炳甲^a, 钱金平^a

a Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;
b Luoyang Optoelectro Technology Development Center, Luoyang 471009, China;
c Euratom/UKAEA Fusion Association, Culham Science Centre, Abingdon, OX14 3DB, United Kingdom;
d Southwestern Institute of Physics, Chengdu 610041, China

收稿日期:2013-11-07 修回日期:2013-12-26 出版日期:2014-07-15 发布日期:2014-07-15
基金资助:
Project supported by the National Magnetic Confinement Fusion Science Program of China (Grant Nos. 2012GB105000, 2011GB101000, 2011GB107000, and 2013013GB102000) and the National Natural Science Foundation of China (Grant Nos. 10725523, 10721505, 10090212, 111005037, and 11205199).

Effect of passive structure and toroidal rotation on resistive wall mode stability in the EAST tokamak

Liu Guang-Jun (刘广君)^{a b}, Wan Bao-Nian (万宝年)^a, Sun You-Wen (孙有文)^a, Liu Yue-Qiang (刘钺强)^c, Guo Wen-Feng (郭文峰)^a, Hao Guang-Zhou (郝广周)^d, Ding Si-Ye (丁斯晔)^a, Shen Biao (沈飙)^a, Xiao Bing-Jia (肖炳甲)^a, Qian Jin-Ping (钱金平)^a

a Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;
b Luoyang Optoelectro Technology Development Center, Luoyang 471009, China;
c Euratom/UKAEA Fusion Association, Culham Science Centre, Abingdon, OX14 3DB, United Kingdom;
d Southwestern Institute of Physics, Chengdu 610041, China

Received:2013-11-07 Revised:2013-12-26 Online:2014-07-15 Published:2014-07-15
Contact: Qian Jin-Ping E-mail:jpqian@ipp.ac.c
About author:52.55.Fa; 52.35.Qz; 52.65.Kj
Supported by:
Project supported by the National Magnetic Confinement Fusion Science Program of China (Grant Nos. 2012GB105000, 2011GB101000, 2011GB107000, and 2013013GB102000) and the National Natural Science Foundation of China (Grant Nos. 10725523, 10721505, 10090212, 111005037, and 11205199).

摘要/Abstract

摘要： If β_N exceeds β_N^no-wall, the plasma will be unstable because of external kink and resistive wall mode (RWM). In this article, the effect of the passive structure and the toroidal rotation on the RWM stability in the experimental advanced superconducting tokamak (EAST) are simulated with CHEASE and MARS codes. A model using a one-dimensional (1D) surface to present the effect of the passive plate is proved to be credible. The no wall β_N limit is about 3l_i, and the ideal wall β_N limit is about 4.5l_i on EAST. It is found that the rotation near the q=2 surface and the plasma edge affects the RWM more.

关键词: resistive wall mode, passive structure, rotation

Abstract: If β_N exceeds β_N^no-wall, the plasma will be unstable because of external kink and resistive wall mode (RWM). In this article, the effect of the passive structure and the toroidal rotation on the RWM stability in the experimental advanced superconducting tokamak (EAST) are simulated with CHEASE and MARS codes. A model using a one-dimensional (1D) surface to present the effect of the passive plate is proved to be credible. The no wall β_N limit is about 3l_i, and the ideal wall β_N limit is about 4.5l_i on EAST. It is found that the rotation near the q=2 surface and the plasma edge affects the RWM more.

Key words: resistive wall mode, passive structure, rotation

中图分类号: (Tokamaks, spherical tokamaks)

52.55.Fa

52.35.Qz (Microinstabilities (ion-acoustic, two-stream, loss-cone, beam-plasma, drift, ion- or electron-cyclotron, etc.)) 52.65.Kj (Magnetohydrodynamic and fluid equation)

刘广君, 万宝年, 孙有文, 刘钺强, 郭文峰, 郝广周, 丁斯晔, 沈飙, 肖炳甲, 钱金平. Effect of passive structure and toroidal rotation on resistive wall mode stability in the EAST tokamak[J]. , 2014, 23(7): 75205-075205.

Liu Guang-Jun (刘广君), Wan Bao-Nian (万宝年), Sun You-Wen (孙有文), Liu Yue-Qiang (刘钺强), Guo Wen-Feng (郭文峰), Hao Guang-Zhou (郝广周), Ding Si-Ye (丁斯晔), Shen Biao (沈飙), Xiao Bing-Jia (肖炳甲), Qian Jin-Ping (钱金平). Effect of passive structure and toroidal rotation on resistive wall mode stability in the EAST tokamak[J]. Chin. Phys. B, 2014, 23(7): 75205-075205.

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Effect of passive structure and toroidal rotation on resistive wall mode stability in the EAST tokamak

Effect of passive structure and toroidal rotation on resistive wall mode stability in the EAST tokamak

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