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  4. 中科院等离子体物理研究所
Study of impurity effects on CFETR steady-state scenario by self-consistent integrated modeling

文献类型：期刊论文

作者Shi, Nan1; Chan, Vincent S.2,4; Jian, Xiang3; Li, Guoqiang1; Chen, Jiale1; Gao, Xiang1; Shi, Shengyu2; Kong, Defeng1; Liu, Xiaoju1; Mao, Shifeng2
刊名NUCLEAR FUSION
出版日期2017-12-01
卷号57期号:12
关键词Impurity Effect Fusion Performance Integrated Modelling Cfetr
DOI10.1088/1741-4326/aa79d1
文献子类Article
英文摘要Impurity effects on fusion performance of China fusion engineering test reactor (CFETR) due to extrinsic seeding are investigated. An integrated 1.5D modeling workflow evolves plasma equilibrium and all transport channels to steady state. The one modeling framework for integrated tasks framework is used to couple the transport solver, MHD equilibrium solver, and source and sink calculations. A self-consistent impurity profile constructed using a steady-state background plasma, which satisfies quasi-neutrality and true steady state, is presented for the first time. Studies are performed based on an optimized fully non-inductive scenario with varying concentrations of Argon (Ar) seeding. It is found that fusion performance improves before dropping off with increasing Z(eff), while the confinement remains at high level. Further analysis of transport for these plasmas shows that low-k ion temperature gradient modes dominate the turbulence. The decrease in linear growth rate and resultant fluxes of all channels with increasing Z(eff) can be traced to impurity profile change by transport. The improvement in confinement levels off at higher Z(eff). Over the regime of study there is a competition between the suppressed transport and increasing radiation that leads to a peak in the fusion performance at Z(eff) (similar to 2.78 for CFETR). Extrinsic impurity seeding to control divertor heat load will need to be optimized around this value for best fusion performance.
WOS关键词RADIATIVELY IMPROVED MODE ; ETA-I MODE ; TOKAMAK ; PLASMA ; PARAMETERS ; TRANSPORT ; CONFINEMENT ; STABILITY ; CODE
WOS研究方向Physics
语种英语
WOS记录号WOS:000412402000006
资助机构National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; 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National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Research Program of China(2014GB110001 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; National Magnetic Confinement Fusion Program of China(2014GB106000 ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/33708]  
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1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Sch Nucl Sci & Technol, Hefei 230026, Anhui, Peoples R China
3.Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Hubei, Peoples R China
4.Gen Atom, San Diego, CA 92121 USA
推荐引用方式
GB/T 7714		 Shi, Nan,Chan, Vincent S.,Jian, Xiang,et al. Study of impurity effects on CFETR steady-state scenario by self-consistent integrated modeling[J]. NUCLEAR FUSION,2017,57(12).
APA Shi, Nan.,Chan, Vincent S..,Jian, Xiang.,Li, Guoqiang.,Chen, Jiale.,...&Xu, Guoliang.(2017).Study of impurity effects on CFETR steady-state scenario by self-consistent integrated modeling.NUCLEAR FUSION,57(12).
MLA Shi, Nan,et al."Study of impurity effects on CFETR steady-state scenario by self-consistent integrated modeling".NUCLEAR FUSION 57.12(2017).

入库方式： OAI收割

来源：合肥物质科学研究院

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