Kinetic calculation of the resistive wall mode and fishbone-like mode instability in tokamak

被引：11
|
作者：
Hao, G. Z. [1 ,2 ]
Yang, S. X. [3 ]
Liu, Y. Q. [2 ,4 ]
Wang, Z. X. [3 ]
Wang, A. K. [2 ]
He, H. D. [2 ]
机构：
[1] Univ Calif Irvine, Irvine, CA 92697 USA
[2] Southwestern Inst Phys, POB 432, Chengdu 610041, Peoples R China
[3] Dalian Univ Technol, Sch Phys & Optoelect Technol, Key Lab Mat Modificat Beams, Minist Educ, Dalian 116024, Peoples R China
[4] Culham Sci Ctr, CCFE, Abingdon OX14 3DB, Oxon, England
来源：
PHYSICS OF PLASMAS | 2016年 / 23卷 / 06期
基金：
欧盟地平线“2020”; 中国国家自然科学基金;
关键词：
STABILIZATION; STABILITY;
D O I：
10.1063/1.4953100
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：
Kinetic effects of both trapped thermal and energetic particles on the resistive wall mode (RWM) and on the fishbone-like mode (FLM) are investigated in theory. Here, the trapped thermal particles include both ions and electrons. The FLM is driven by trapped energetic particles. The results demonstrate that thermal particle collisions can either stabilize or destabilize the RWM, depending on the energetic particle pressure beta(h). Furthermore, the critical value of bh for triggering the FLM is increased when the thermal particle contribution is taken into account. The critical value sensitively depends on the plasma collision frequency. In addition, the plasma inertia is found to have a negligible influence on the FLM. Published by AIP Publishing.
引用
收藏
页数：10
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