The influence of energetic ions on resistive wall mode in reversed field pinch

被引：7
|
作者：
Cai, Huishan [1 ]
Cao, Jintao [2 ]
Li, Ding [1 ,2 ]
机构：
[1] Univ Sci & Technol China, Dept Modern Phys, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China
[2] Acad Sinica, Inst Phys, Beijing 100190, Peoples R China
来源：
NUCLEAR FUSION | 2014年 / 54卷 / 03期
基金：
美国国家科学基金会;
关键词：
energetic particles; resistive wall mode; reversed field pinch; PLASMA ROTATION; STABILITY; FLOW;
D O I：
10.1088/0029-5515/54/3/032001
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：
A stability analysis of the circulating energetic ions (CEIs) on resistive wall mode is carried out in the reversed field pinch (RFP). In contrast to the minor resonant effects of CEI on resistive wall mode (RWM) in tokamak, the resonant interaction between RWM and CEI is important for high toroidal mode number in RFP with high beta value. The resonance provides an energy dissipation channel of free energy, and stabilizes RWM. As the fraction of CEI is large enough, the RWM is fully suppressed by CEI in the low plasma rotation, even vanishing rotation. Further, a possibility to suppress the RWM by CEI is suggested.
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页数：5
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