期刊论文

Lu, X. Q.

英文

PHYSICS OF PLASMAS

1070-664X

2018

25

1

012510

10.1063/1.5006851

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]

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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 deve...