Symmetries of C-13 tracer deposition in EAST D and He plasmas investigated on the sub-mm to 100 mm scale by deuteron nuclear reaction analysis

doi:10.1016/j.fusengdes.2021.112292

	Symmetries of C-13 tracer deposition in EAST D and He plasmas investigated on the sub-mm to 100 mm scale by deuteron nuclear reaction analysis
	Moeller, S.2; Ding, R.3; Xie, H.3; Gao, B. F.1,3; Wang, B. G.1,3; Peng, J.2,3; Liu, S. C.3; Gao, W.3; Kirschner, A.2; Brezinsek, S.2
刊名	FUSION ENGINEERING AND DESIGN
	2021-05-01
卷号	166
关键词	Transport studies Tracer EAST Ion beam analysis Nuclear reaction analysis C-13
ISSN号	0920-3796
DOI	10.1016/j.fusengdes.2021.112292
通讯作者	Moeller, S.(s.moeller@fz-juelich.de) ; Ding, R.(rding@ipp.ac.cn)
英文摘要	In continuation of an earlier study, this work focusses on deposit analysis in the mm region around the tracer injection hole of two (CD4)-C-13 injection experiments in EAST by using focussed 1.43 MeV deuteron ion beam analysis. This study adds -1500 data points to the former work on the same samples to assess more details on deposition patterns and symmetry and test the accuracy of former extrapolations. Mapping of the (CD4)-C-13 injection-hole vicinity using 0.2 mm lateral resolution yields compatible results as the former 1.8 mm resolution for the local co-deposit thickness. The new data reveal the deposition maximum to be 1 +/- 0.2 mm away from the injection hole towards the ExB direction, resembling the triangular shape also seen on the larger scale. The analysis of 3 blocks along the magnetic field vector shows a dominant deposition along the surface area closest to the last closed flux surface. An edge with a factor -11 drop in deposit thickness within 2 mm spans here along the whole 150 mm tile size and along the axis of the magnetic field. The analysis using proton backscattering shows no He retention in the He plasma exposed co-deposits above the 1 % limit of detection. The total deposited C-13 amount was underestimated by -5 % in the former study, a value not exceeding the measurement uncertainty. The combination of -0.2 mm spatial resolution around the injection-hole and at the deposit edge with - 2 mm resolution but larger coverage outside these regions is found to provide a reasonable compromise of information quality and analysis effort.
资助项目	National Nature Science Foundation of China[11861131010] ; National Nature Science Foundation of China[11675218] ; National Key Research and Development Program of China[2017YFE0301300] ; CASHIPS Director's Fund[BJPY2019B01] ; Key Research Program of Frontier Sciences, CAS[ZDBS-LY-SLH010] ; Euratom research and training programme[633053] ; Deutsche Forschungsgemeinschaft (DFG)[410415657]
WOS研究方向	Nuclear Science & Technology
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000640897000002
资助机构	National Nature Science Foundation of China ; National Key Research and Development Program of China ; CASHIPS Director's Fund ; Key Research Program of Frontier Sciences, CAS ; Euratom research and training programme ; Deutsche Forschungsgemeinschaft (DFG)
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/121988]
专题	中国科学院合肥物质科学研究院
通讯作者	Moeller, S.; Ding, R.
作者单位	1.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China 2.Forschungszentrum Julich, Inst Energie & Klimaforsch, D-52425 Julich, Germany 3.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Moeller, S.,Ding, R.,Xie, H.,et al. Symmetries of C-13 tracer deposition in EAST D and He plasmas investigated on the sub-mm to 100 mm scale by deuteron nuclear reaction analysis[J]. FUSION ENGINEERING AND DESIGN,2021,166.
APA	Moeller, S..,Ding, R..,Xie, H..,Gao, B. F..,Wang, B. G..,...&Brezinsek, S..(2021).Symmetries of C-13 tracer deposition in EAST D and He plasmas investigated on the sub-mm to 100 mm scale by deuteron nuclear reaction analysis.FUSION ENGINEERING AND DESIGN,166.
MLA	Moeller, S.,et al."Symmetries of C-13 tracer deposition in EAST D and He plasmas investigated on the sub-mm to 100 mm scale by deuteron nuclear reaction analysis".FUSION ENGINEERING AND DESIGN 166(2021).