Tomographic reconstruction of emissive profile in the divertor region for the visible light imaging diagnostic on Experimental Advanced Superconducting Tokamak

doi:10.1016/j.fusengdes.2020.112149

	Tomographic reconstruction of emissive profile in the divertor region for the visible light imaging diagnostic on Experimental Advanced Superconducting Tokamak
	Lu, Zhiyuan 1,2; Mao, Shifeng 1; Yang, Jianhua 2; Ming, Tingfeng 2; Xiang, Junguang 3; Xu, Guosheng 2; Ye, Minyou 1
刊名	FUSION ENGINEERING AND DESIGN
	2021-02-01
卷号	163
关键词	Visible light tomography Philips-Tikhonov regularization Plasma diagnostic EAST
ISSN号	0920-3796
DOI	10.1016/j.fusengdes.2020.112149
通讯作者	Xu, Guosheng(gsxu@ipp.ac.cn) ; Ye, Minyou(yemy@ustc.edu.cn)
英文摘要	A tomographic reconstruction method is developed for the visible light imaging diagnostic system of Experimental Advanced Superconducting Tokamak (EAST) to provide the emissive profile on the poloidal cross section of the divertor region. Weight matrix is calculated by a ray tracing method according to the optical path of the visible light imaging diagnostic system in the delicate three-dimensional grid model of EAST first wall to avoid the influence of complex structures of the divertor region. The Philips-Tikhonov regularization algorithm with second-order correction is adopted to calculate the emissive profile. The phantom tests are performed and the effectiveness of the method is confirmed with signal to noise ratio (SNR) at 50. The method is applied to the experimental images detected by the visible light imaging diagnostic and clear peaks are identified in the reconstructed emission profiles, which is in consistent with the radiation belts observed in the experimental images.
资助项目	National Natural Science Foundation of China[11975232] ; National Natural Science Foundation of China[11535013] ; Key Research Program of Frontier Sciences, CAS[QYZDB-SSW-SLH001] ; K.C. Wong Education Foundation ; National Key Research and Development Program of China[2017YFA0402504] ; National Key Research and Development Program of China[2018YFE0302101] ; Supercomputing Center of University of Science and Technology of China
WOS关键词	TIKHONOV REGULARIZATION ; RADIATIVE DIVERTOR
WOS研究方向	Nuclear Science & Technology
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000612437700001
资助机构	National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; K.C. Wong Education Foundation ; National Key Research and Development Program of China ; Supercomputing Center of University of Science and Technology of China
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/120251]
专题	中国科学院合肥物质科学研究院
通讯作者	Xu, Guosheng; Ye, Minyou
作者单位	1.Univ Sci & Technol China, Sch Nucl Sci & Technol, Hefei 230026, Peoples R China 2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China 3.Univ Tokyo, Grad Sch Engn, Tokyo 1130032, Japan
推荐引用方式 GB/T 7714	Lu, Zhiyuan,Mao, Shifeng,Yang, Jianhua,et al. Tomographic reconstruction of emissive profile in the divertor region for the visible light imaging diagnostic on Experimental Advanced Superconducting Tokamak[J]. FUSION ENGINEERING AND DESIGN,2021,163.
APA	Lu, Zhiyuan.,Mao, Shifeng.,Yang, Jianhua.,Ming, Tingfeng.,Xiang, Junguang.,...&Ye, Minyou.(2021).Tomographic reconstruction of emissive profile in the divertor region for the visible light imaging diagnostic on Experimental Advanced Superconducting Tokamak.FUSION ENGINEERING AND DESIGN,163.
MLA	Lu, Zhiyuan,et al."Tomographic reconstruction of emissive profile in the divertor region for the visible light imaging diagnostic on Experimental Advanced Superconducting Tokamak".FUSION ENGINEERING AND DESIGN 163(2021).