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Simulations on W impurity transport in the edge of EAST H-mode plasmas

文献类型：期刊论文

作者Wang, Fuqiong1,2; Zha, X. J.1,2; Duan, Y. M.3; Mao, S. T.3; Wang, L.3; Zhong, F. C.1,2; Liang, L.2,5; Li, L.1,2; Lu, H. W.1,2; Hu, L. Q.3
刊名PLASMA PHYSICS AND CONTROLLED FUSION
出版日期2018-12-01
卷号60期号:12页码:15
ISSN号0741-3335
关键词W impurity production transport H-mode plasmas ELMy EAST
DOI10.1088/1361-6587/aae335
通讯作者Wang, Fuqiong(wangfq@dhu.edu.cn)
英文摘要This paper provides an investigation of the production/transport properties of W impurity in the edge of experimental advanced superconducting tokamak (EAST) H-mode discharges with upper-single-null configurations by using DIVIMP Monte-Carlo code. The background plasmas are provided by SOLPS5.0 calculations. Firstly, to address the detailed dependence of W impurity behaviors on plasma conditions in the scraped-off layer (SOL)/divertor region of EAST, two pre-edge localized mode (ELM) cases with divertor plasmas in high-recycling and partially-detached regimes, respectively, are considered and compared. It is found that, due to the competitions between the thermal and friction forces (FFs), in the high-recycling case, large quantities of W impurities are transported to the upstream; while in the partially-detached case, most of the W impurities are located near the inner and outer divertors. Furthermore, the W core contamination in type-I ELMy H-mode plasmas of EAST has been estimated by the DIVIMP-SOLPS5.0 simulations, without the consideration of the release of W impurity from the core due to ELMs. During the ELM, simulations exhibit the low-recycling regime of divertor plasma, and high (several hundred eV) target plasma temperatures together with low SOL collisionali (v(SOL)* similar to 1-3), lead to an order of magnitude increase in the W core contamination rate. However, in the ELM-recovering phase, with the decrease (increase) of divertor plasma temperature (density), significant increase of divertor retention is obtained due to the remarkable increase of FFs on W ions. Besides, intra-ELM phase approximately contributes to more than 50% of the total W core contamination per an ELM cycle. This work represents a step toward a deeper understanding of the W impurity production/transport in EAST H-mode discharges.
WOS关键词ASDEX-UPGRADE DIVERTOR ; DIII-D ; TOKAMAK ; REFLECTION ; DISCHARGES ; B2-EIRENE ; DIVIMP ; CODES ; JET
资助项目National Natural Sciences Foundation of China[11605026] ; National Natural Sciences Foundation of China[11175045] ; Fundamental Research Fund for the Central Universities[18D110905] ; Fundamental Research Fund for the Central Universities[17D110919] ; National Key R&D Program of China[2017YFE0301100] ; National Key R&D Program of China[2017YFE0301104] ; National Key R&D Program of China[2017YFE0301300] ; AHNFS[1808085J07]
WOS研究方向Physics
语种英语
出版者IOP PUBLISHING LTD
WOS记录号WOS:000448430200002
资助机构National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; National Natural Sciences Foundation of China ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS ; AHNFS
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/40099]  
专题合肥物质科学研究院_中科院等离子体物理研究所
通讯作者Wang, Fuqiong
作者单位1.Minist Educ, Magnet Confinement Fus Res Ctr, Beijing, Peoples R China
2.Donghua Univ, Coll Sci, Dept Appl Phys, Shanghai 201620, Peoples R China
3.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
4.Tongling Univ, Coll Elect Engn, Tongling 244061, Anhui, Peoples R China
5.Forschungszentrum Julich, Inst Energie & Klimaforsch Plasmaphys, Julich, Germany
推荐引用方式
GB/T 7714		 Wang, Fuqiong,Zha, X. J.,Duan, Y. M.,et al. Simulations on W impurity transport in the edge of EAST H-mode plasmas[J]. PLASMA PHYSICS AND CONTROLLED FUSION,2018,60(12):15.
APA Wang, Fuqiong.,Zha, X. J..,Duan, Y. M..,Mao, S. T..,Wang, L..,...&Yang, Z. D..(2018).Simulations on W impurity transport in the edge of EAST H-mode plasmas.PLASMA PHYSICS AND CONTROLLED FUSION,60(12),15.
MLA Wang, Fuqiong,et al."Simulations on W impurity transport in the edge of EAST H-mode plasmas".PLASMA PHYSICS AND CONTROLLED FUSION 60.12(2018):15.

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来源：合肥物质科学研究院

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