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  4. 中科院等离子体物理研究所
Divertor heat flux simulations in ELMy H-mode discharges of EAST

文献类型：期刊论文

作者Xia, T. Y.1; Xu, X. Q.2; Wu, Y. B.1,3,4; Huang, Y. Q.1,5; Wang, L.1; Zheng, Z.1,5; Liu, J. B.1; Zang, Q.1; Li, Y. Y.1; Zhao, D.1
刊名NUCLEAR FUSION
出版日期2017-11-01
卷号57期号:11
关键词East Simulations Heat Flux Width H-mode
DOI10.1088/1741-4326/aa7bba
文献子类Article
英文摘要This paper presents heat flux simulations for the ELMy H-mode on the Experimental Advanced Superconducting Tokamak (EAST) using a six-field two-fluid model in BOUT++. Three EAST ELMy H-mode discharges with different plasma currents I-p and geometries are studied. The trend of the scrape-off layer width lambda(q) with I-p is reproduced by the simulation. The simulated width is only half of that derived from the EAST scaling law, but agrees well with the international multi-machine scaling law. Note that there is no radio-frequency (RF) heating scheme in the simulations, and RF heating can change the boundary topology and increase the flux expansion. Anomalous electron transport is found to contribute to the divertor heat fluxes. A coherent mode is found in the edge region in simulations. The frequency and poloidal wave number k(theta) are in the range of the edge coherent mode in EAST. The magnetic fluctuations of the mode are smaller than the electric field fluctuations. Statistical analysis of the type of turbulence shows that the turbulence transport type (blobby or turbulent) does not influence the heat flux width scaling. The two-point model differs from the simulation results but the drift-based model shows good agreement with simulations.
WOS研究方向Physics
语种英语
WOS记录号WOS:000407218600005
资助机构JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; 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JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; US Department of Energy by Lawrence Livermore National Laboratory(DE-AC52-07NA27344) ; US Department of Energy by Lawrence Livermore National Laboratory(DE-AC52-07NA27344) ; US Department of Energy by Lawrence Livermore National Laboratory(DE-AC52-07NA27344) ; US Department of Energy by Lawrence Livermore National Laboratory(DE-AC52-07NA27344) ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/33586]  
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, Anhui, Peoples R China
2.Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
3.Anqing Normal Univ, Anqing, Peoples R China
4.Donghua Univ, Shanhai, Peoples R China
5.Univ Sci & Technol China, Hefei, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Xia, T. Y.,Xu, X. Q.,Wu, Y. B.,et al. Divertor heat flux simulations in ELMy H-mode discharges of EAST[J]. NUCLEAR FUSION,2017,57(11).
APA Xia, T. Y..,Xu, X. Q..,Wu, Y. B..,Huang, Y. Q..,Wang, L..,...&EAST Team.(2017).Divertor heat flux simulations in ELMy H-mode discharges of EAST.NUCLEAR FUSION,57(11).
MLA Xia, T. Y.,et al."Divertor heat flux simulations in ELMy H-mode discharges of EAST".NUCLEAR FUSION 57.11(2017).

入库方式： OAI收割

来源：合肥物质科学研究院

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