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  4. 中科院等离子体物理研究所
First three-dimensional edge plasma transport simulations with magnetic perturbations induced by lower hybrid waves on EAST

文献类型：期刊论文

作者Xu, S.1,2,3; Rack, M.3,4; Liang, Y.1,3,5; Huang, J.1; Jia, M.1,3; Feng, Y.6; Cosfeld, J.3; Zhang, H.1; Liu, S.1; Gao, Y.3
刊名NUCLEAR FUSION
出版日期2018-10-01
卷号58期号:10页码:13
关键词3D plasma edge transport magnetic topology lower hybrid waves heat flux deposition EMC3-EIRENE code
ISSN号0029-5515
DOI10.1088/1741-4326/aad296
通讯作者Xu, S.(s.xu@fz-juelich.de)
英文摘要Recent experiments from the Experimental Advanced Superconducting Tokamak (EAST) show that lower hybrid waves (LHWs) can profoundly change the magnetic topology by inducing helical current filaments flowing along magnetic field lines in the scrape-off layer. Here, it is investigated for the first time how these magnetic perturbations caused by LHWs affect the edge plasma transport utilizing the three-dimensional Monte Carlo code EMC3-EIRENE, both in double-null and single-null configurations. The 3D magnetic topology structure is reflected in the plasma properties, due to much stronger parallel field transport compared with cross field diffusion. Good qualitative agreements between simulation results and experimental data from various edge diagnostics demonstrate that the EMC3-EIRENE code now is capable of taking into account the LHW-induced magnetic perturbation fields with both physical and geometrical effects being considered. Combined with experimental observations, the simulation results strongly support that total current amplitude of LHW-induced filaments increases with an increase in LHW input power. It can further deepen the penetration depth of the additional transport channel by extending the stochastic edge layer, and influence the ratio of heat (or particle) flux between split striated and original strike line on divertor targets. The 3D simulation results also indicate that the additional plasma transport channel induced by LHWs can significantly cause the redistribution of heat load between inner and outer divertor targets, which could not be found by the field line tracing method in previous works.
WOS关键词ACTIVE FEEDBACK STABILIZATION ; ISLAND DIVERTORS ; TOKAMAKS ; PHYSICS ; W7-AS ; MODES
资助项目China Scholarships Council[201606340136] ; National Natural Science Foundation of China[11575236] ; EAST team
WOS研究方向Physics
语种英语
WOS记录号WOS:000440052000001
出版者IOP PUBLISHING LTD
资助机构China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; 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China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; China Scholarships Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/37778]  
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Xu, S.
作者单位1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
3.Forschungszentrum Julich, Inst Energie & Klimaforsch Plasmaphys, Partner Trilateral Euregio Cluster TEC, D-52425 Julich, Germany
4.Forschungszentrum Julich, Julich Supercomp Ctr, JARA HPC, D-52425 Julich, Germany
5.Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, Wuhan 430074, Hubei, Peoples R China
6.Max Planck Inst Plasma Phys, D-85748 Garching, Germany
7.Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China
推荐引用方式
GB/T 7714		 Xu, S.,Rack, M.,Liang, Y.,et al. First three-dimensional edge plasma transport simulations with magnetic perturbations induced by lower hybrid waves on EAST[J]. NUCLEAR FUSION,2018,58(10):13.
APA Xu, S..,Rack, M..,Liang, Y..,Huang, J..,Jia, M..,...&Reiter, D..(2018).First three-dimensional edge plasma transport simulations with magnetic perturbations induced by lower hybrid waves on EAST.NUCLEAR FUSION,58(10),13.
MLA Xu, S.,et al."First three-dimensional edge plasma transport simulations with magnetic perturbations induced by lower hybrid waves on EAST".NUCLEAR FUSION 58.10(2018):13.

入库方式： OAI收割

来源：合肥物质科学研究院

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