Comparison of active impurity control between lithium and boron powder real-time injection in EAST

doi:10.1088/1402-4896/ac270b

	Comparison of active impurity control between lithium and boron powder real-time injection in EAST
	Xu,W 1,2; Hu,J S 2,3; Sun,Z 4; Maingi,R 4; Zuo,G Z 2; Qian,Y Z 1,2; Li,C L 2; Zhang,L 2; Meng,X C 1,2; Huang,M 2
刊名	Physica Scripta
	2021-09-28
卷号	96
关键词	lithium powder boron powder impurity control EAST
ISSN号	0031-8949
DOI	10.1088/1402-4896/ac270b
通讯作者	Xu,W()
英文摘要	Abstract The lithium and boron powder have been successfully real-time injected into Experimental Advanced Superconducting Tokamak (EAST) high-confinement (H?) mode discharges, showing good wall conditioning effects, especially on the impurities control. Both of lithium and boron powder particles are gravitationally accelerated into the upper edge of a upper single null discharge. The lithium powder real-time injection effectively reduced the tungsten impurity content both in the plasma edge and core. Contrary to the lithium injection, the boron injection mainly reduced the impurities content in the plasma core, while the impurities increased in the edge. This mainly due to that there was an edge harmonic mode stimulated by boron injection, providing sufficient particles transport. Moreover, the impurities control through boron injection has much wider operation windows than lithium powder injection. Furthermore, there was accumulative wall conditioning effects after sequential boron powder injection discharges.
语种	英语
出版者	IOP Publishing
WOS记录号	IOP:0031-8949-96-12-AC270B
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/125377]
专题	中国科学院合肥物质科学研究院
通讯作者	Xu,W
作者单位	1.Institute of Energy, Hefei Comprehensive National Science Center, Hefei 230031, People’s Republic of China 2.Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People’s Republic of China 3.CAS key Laboratory of Photovoltaic and Energy Conservation Materials, Hefei 230031, People’s Republic of China 4.Princeton University Plasma Physics Laboratory Princeton, NJ 08543, United States of America
推荐引用方式 GB/T 7714	Xu,W,Hu,J S,Sun,Z,et al. Comparison of active impurity control between lithium and boron powder real-time injection in EAST[J]. Physica Scripta,2021,96.
APA	Xu,W.,Hu,J S.,Sun,Z.,Maingi,R.,Zuo,G Z.,...&Zhang,D H.(2021).Comparison of active impurity control between lithium and boron powder real-time injection in EAST.Physica Scripta,96.
MLA	Xu,W,et al."Comparison of active impurity control between lithium and boron powder real-time injection in EAST".Physica Scripta 96(2021).