Investigation of LHCD Efficiency and Transformer Recharging in the EAST Tokamak

	Investigation of LHCD Efficiency and Transformer Recharging in the EAST Tokamak
	Li, MH; Ding, BJ; Li, WK; Kong, EH; Shan, JF; Liu, FK; Wang, M; Xu, HD
	2012
发表期刊	PLASMA SCIENCE & TECHNOLOGY
摘要	The efficiency of lower hybrid current drive (LHCD) for limiter and divertor configurations in the EAST tokamak is investigated using hot electrical conductivity theory and experimental formulas. The results indicate that the efficiency of current drive in divertor geometry is slightly higher than that in limiter one. To interpret the experimental results, the GENRAY code is applied to calculate the propagation and absorption of the lower hybrid wave (LHW) in different configurations. The numerical results show that the variation in the parallel refractive index (N-//) between the two configurations is quite large. Transformer recharging experiments were also successfully conducted in EAST. By means of the Karney-Fisch method, the absorption index (alpha) and the upshift factor of refraction (beta) for the LHW are obtained. In addition, the maximum recharging efficiency in EAST is about 4% in the divertor configuration, with a line-averaged electron density of n(e_av) = 0.7 x 10(19) m(-3).
学科领域	等离子体物理与核聚变研究
WOS记录号	WOS:000302786200004
引用统计	被引频次：10[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.hfcas.ac.cn:8080/handle/334002/5707
专题	中科院等离子体物理研究所
推荐引用方式 GB/T 7714	Li, MH,Ding, BJ,Li, WK,et al. Investigation of LHCD Efficiency and Transformer Recharging in the EAST Tokamak[J]. PLASMA SCIENCE & TECHNOLOGY,2012.
APA	Li, MH.,Ding, BJ.,Li, WK.,Kong, EH.,Shan, JF.,...&Xu, HD.(2012).Investigation of LHCD Efficiency and Transformer Recharging in the EAST Tokamak.PLASMA SCIENCE & TECHNOLOGY.
MLA	Li, MH,et al."Investigation of LHCD Efficiency and Transformer Recharging in the EAST Tokamak".PLASMA SCIENCE & TECHNOLOGY (2012).

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