Investigation of Impurity Ion Transport with Laser Blow-off in HL-2A Tokamak

Chin. Phys. Lett.

2006, Vol. 23

Issue (8): 2143-2146 DOI:

Original Articles

Investigation of Impurity Ion Transport with Laser Blow-off in HL-2A Tokamak

CUI Zheng-Ying;HUANG Yuan;SUN Ping;ZHENG Yong-Zhen;SHI Pei-Lan;LU Jie;FU Bing-Zhong;ZHANG Peng;PAN Yu-Dong;DONG Yun-Bo;DENG Wei;YANG Qing-Wei;DING Xuan-Tong

Southwestern Institute of Physics, PO Box 432, Chengdu 610041

Cite this article:

CUI Zheng-Ying, HUANG Yuan, SUN Ping et al 2006 Chin. Phys. Lett. 23 2143-2146

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Abstract Non-recycling impurities are injected into ohmic HL-2A plasma for the first time. The impurities of titanium and aluminium are injected in the discharges with varying plasma density and current. The convection and diffusion process of the injected impurity ions during the inward phase are qualitatively investigated. The results show that the transport of impurities is much slower in the central region of the plasma than outside of it and that it is greatly enhanced during sawtooth crashes.

Keywords: 52.25.Fi 52.25.Vy

Published: 01 August 2006

PACS:	52.25.Fi	(Transport properties)
	52.25.Vy	(Impurities in plasmas)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I8/02143

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	CUI Zheng-Ying
	HUANG Yuan
	SUN Ping
	ZHENG Yong-Zhen
	SHI Pei-Lan
	LU Jie
	FU Bing-Zhong
	ZHANG Peng
	PAN Yu-Dong
	DONG Yun-Bo
	DENG Wei
	YANG Qing-Wei
	DING Xuan-Tong

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