Study of divertor heat flux widths in type-I ELMy H-mode with infra-red thermography on EAST tokamak | |
Zhang, Bin; Gong, Xianzu; Gan, Kaifu; Wang, Liang; Zhang, Xiaodong; Wang, Fumin; Yang, Zhendong; Wang, Xiaoqiong; Chen, Meiwen; EAST Team | |
刊名 | FUSION ENGINEERING AND DESIGN
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2016-04-01 | |
卷号 | 105期号:无页码:70-76 |
关键词 | Heat Flux Widths Infra-red Thermography Type-i Elmy H-mode East |
DOI | 10.1016/j.fusengdes.2016.02.078 |
文献子类 | Article |
英文摘要 | Characteristic widths of divertor power load footprints, i.e., power decay length lambda(q), Gaussian dissipation width S and integral power width lambda(int) in radio-frequency (RF) heated type-I ELMy H-modes are investigated with infra-red (IR) thermography diagnostic on experimental advanced superconducting tokamak (EAST). The fitting of divertor heat flux profile to Eich function is employed to obtain lambda(q) and S [2]. The heat flux widths on lower-outer (LO) divertor plates are found larger than those of lower-inner (LI) plates, and obvious multi-peak structures are found on LO divertor power load footprints. A comparison of LI heat flux widths of ELM-averaged in type-I ELMy H-mode to those within inter-ELM phases indicates that the widths are similar, in magnitude, for the two cases. The lambda(q) mapping to the outer mid-plane (OMP) from the LI divertor has a strong inverse dependence on I-p (or equivalently poloidal magnetic field at the OMP, B-p,B-omp) in the form of lambda(EAST,type-I)(q) = (2.45 +/- 0.3) x I-p(-1.01 +/- 0.11) (or lambda(EAST,type-I)(q) = (0.64 +/- 0.17) x B-p,omp(-1.02 +/- 0.14)), which is in satisfactory agreement, in tendency, with the multi-machine experimental scaling results and heuristic drift-based model proposed by Goldston. In addition, the linear regression of ELM-averaged S, on LI divertor during type-I ELMy H-mode, with I-p shows a decrease tendency, being consistent with the case of LO target in EAST type-III ELMy H-mode. This work may provide useful information for the extrapolation to ITER, whose baseline operation scenario is type-I ELMy H-mode. (c) 2016 Elsevier B.V. All rights reserved. |
WOS关键词 | PARTICLE |
WOS研究方向 | Nuclear Science & Technology |
语种 | 英语 |
WOS记录号 | WOS:000374425800010 |
资助机构 | National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Magnetic Confinement Fusion Science Program of China(2014GB101001 ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; National Natural Science Foundation of China(11575236) ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2014GB101002 ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 2013GB107003) ; 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内容类型 | 期刊论文 |
源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/21931] ![]() |
专题 | 合肥物质科学研究院_中科院等离子体物理研究所 |
作者单位 | Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Bin,Gong, Xianzu,Gan, Kaifu,et al. Study of divertor heat flux widths in type-I ELMy H-mode with infra-red thermography on EAST tokamak[J]. FUSION ENGINEERING AND DESIGN,2016,105(无):70-76. |
APA | Zhang, Bin.,Gong, Xianzu.,Gan, Kaifu.,Wang, Liang.,Zhang, Xiaodong.,...&EAST Team.(2016).Study of divertor heat flux widths in type-I ELMy H-mode with infra-red thermography on EAST tokamak.FUSION ENGINEERING AND DESIGN,105(无),70-76. |
MLA | Zhang, Bin,et al."Study of divertor heat flux widths in type-I ELMy H-mode with infra-red thermography on EAST tokamak".FUSION ENGINEERING AND DESIGN 105.无(2016):70-76. |
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