Influence of stationary driven helical current on the m=2/n=1 resistive tearing mode

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成果类型：

期刊论文

作者：

Yuan, Yun;LU, Xingqiang*;Dong, Jiaqi;He, Zhixiong;Zhang, Ruibo;...

通讯作者：

LU, Xingqiang

作者机构：

[LU, Xingqiang; Yuan, Yun; Gong, Xueyu] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Chen, Shijia; Yuan, Yun] Natl Univ Def Technol, Coll Sci, Changsha 410073, Hunan, Peoples R China.

[Dong, Jiaqi] Ctr Fus Sci, Southwestern Inst Phys, Chengdu 610041, Sichuan, Peoples R China.

[He, Zhixiong] Fujian Univ Technol, Sch Math & Phys, Fuzhou 350108, Fujian, Peoples R China.

[Zhang, Ruibo] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China.

通讯机构：

[LU, Xingqiang] U

Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

tearing modes;helical current;MHD instability

期刊：

等离子体科学与技术：英文版

ISSN：

1009-0630

年：

2019

卷：

期：

页码：

055101

DOI：

10.1088/2058-6272/aafdc7

基金类别：

National Key R&D Program of China [2017YFE0302000]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2017JJ2230]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11675073, 11375085]; Key Laboratory of Magnetic Confinement Nuclear Fusion Research in Hengyang [2018KJ108]

机构署名：

本校为第一且通讯机构

院系归属：

核科学技术学院

摘要：

The influence of stationary driven helical current on tearing mode instability in the m = 2/n = 1 rational surface is explored numerically using resistive magnetohydrodynamic simulation in cylindrical geometry. The results indicate that the flip instabilities result from the sustained injection of the sufficiently strong helical current driven in the island O-point. The driven helical current induces high order harmonics of instabilities due to the delay of suppressing timing and the increase of its current intensity. With the appropriate curre...

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Influence of stationary driven helical current on the m=2/n=1 resistive tearing mode

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