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Stabilizing effect of helical current drive on tearing modes

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成果类型:
期刊论文
作者:
Yuan, Y.;Lu, X. Q.*;Dong, J. Q.;Gong, X. Y.;Zhang, R. B.
通讯作者:
Lu, X. Q.
作者机构:
[Yuan, Y.; Gong, X. Y.; Lu, X. Q.] Univ South China, Sch Nucl & Technol, Hengyang 421001, Peoples R China.
[Dong, J. Q.] Southwestern Inst Phys, Chengdu 610041, Sichuan, Peoples R China.
[Zhang, R. B.] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China.
通讯机构:
[Lu, X. Q.] U
Univ South China, Sch Nucl & Technol, Hengyang 421001, Peoples R China.
语种:
英文
关键词:
plasma magnetohydrodynamics, plasma simulation, plasma transport processes, tearing instability
期刊:
PHYSICS OF PLASMAS
ISSN:
1070-664X
年:
2018
卷:
25
期:
1
页码:
012510
基金类别:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11375085, 11675073]; National Magnetic Confinement Fusion Science Program [2015GB110002, 2014GB124004, 2013GB111000]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2017JJ2230]; Key projects of Hunan Provincial Department of Education [16A179]; construct program of fusion and plasma physics innovation team in Hunan province [NHXTD03]
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 effect of helical driven current on the m = 2/n = 1 tearing mode is studied numerically in a cylindrical geometry using the method of reduced magneto-hydro-dynamic simulation. The results show that the local persistent helical current drive from the beginning time can be applied to control the tearing modes, and will cause a rebound effect called flip instability when the driven current reaches a certain value. The current intensity threshold value for the occurrence of flip instability is about 0.00087I0. The method of controlling the development of tearing mode with comparative economy i...

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