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Study of impurity effects on CFETR steady-state scenario by self-consistent integrated modeling
Shi, Nan1; Chan, Vincent S.2,4; Jian, Xiang3; Li, Guoqiang1; Chen, Jiale1; Gao, Xiang1; Shi, Shengyu2; Kong, Defeng1; Liu, Xiaoju1; Mao, Shifeng2; Xu, Guoliang2
2017-12-01
发表期刊NUCLEAR FUSION
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.
文章类型Article
关键词Impurity Effect Fusion Performance Integrated Modelling Cfetr
WOS标题词Science & Technology ; Physical Sciences
DOI10.1088/1741-4326/aa79d1
关键词[WOS]RADIATIVELY IMPROVED MODE ; ETA-I MODE ; TOKAMAK ; PLASMA ; PARAMETERS ; TRANSPORT ; CONFINEMENT ; STABILITY ; CODE
收录类别SCI
语种英语
项目资助者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) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; National Nature Science Foundation of China(11675211) ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB110002 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB106001 ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB110003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003) ; 2014GB106003)
WOS研究方向Physics
WOS类目Physics, Fluids & Plasmas
WOS记录号WOS:000412402000006
引用统计
被引频次：23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33708
专题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
第一作者单位中科院等离子体物理研究所
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).
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