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	Identification of plasma boundary and position for HL-2A tokamak
	Wang, ZT ; Mao, GP ; Yang, QW ; Zhang, JH ; Gao, Z ; He, YX
	2010-05-10 ; 2010-05-10
关键词	virtual-case principle identification adaptive parameter SHAPE Physics, Fluids & Plasmas
中文摘要	Using the virtual-case principle, the plasma boundary, the plasma current center, and the x-point are identified for the HL-2A tokamak. The plasma current is represented by the current center and the virtual multipole moments which produce a magnetic flux in a form of polynomial. Adaptive parameters in the polynomial are determined by the least-square fit of the poloidal magnetic fields. The measurement of the magnetic field is performed using pick-up coils. The virtual-case principle is applied outside the plasma boundary. The virtual-case currents decide the position of the current center and produce a negative confinement magnetic field inside the plasma and the magnetic field generated by the plasma current outside the plasma boundary. The convergence is fast enough to get a picture between the sequent shots. The configuration reconstructed is in good agreement with the TV image taken by camera with a tangential view.
语种	英语 ; 英语
出版者	SCIENCE PRESS ; BEIJING ; 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/22362]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, ZT,Mao, GP,Yang, QW,et al. Identification of plasma boundary and position for HL-2A tokamak[J],2010, 2010.
APA	Wang, ZT,Mao, GP,Yang, QW,Zhang, JH,Gao, Z,&He, YX.(2010).Identification of plasma boundary and position for HL-2A tokamak..
MLA	Wang, ZT,et al."Identification of plasma boundary and position for HL-2A tokamak".(2010).

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