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Investigation of RMP induced density pump-out on EAST

文献类型：期刊论文

作者Wang, S. X.1,2; Liu, H. Q.1; Jie, Y. X.1; Ding, W. X.3; Zeng, L.1; Sun, Y. W.1; Lian, H.1,2; Zhu, X.1; Zou, Z. Y.1,2; Lyu, B.1
刊名NUCLEAR FUSION
出版日期2018-11-01
卷号58期号:11页码:7
ISSN号0029-5515
关键词density pump-out transport coefficients E x B shearing rate fluctuation
DOI10.1088/1741-4326/aae15a
通讯作者Liu, H. Q.(hqliu@ipp.ac.cn)
英文摘要Density pump-out has been observed on the experimental advanced superconducting tokamak under the conditions of mitigated or totally suppressed edge localized modes with n = 2 external resonant magnetic perturbation (RMP), associated with decreased core density and degradation of particle confinement. In order to investigate the particle transport during RMP induced density pump-out, density modulation using supersonic molecular beam injection is performed to obtain the particle transport coefficients. The results show that the diffusive coefficient becomes larger and the inward convection velocity decreases towards the plasma edge after RMP. The measured radial electric field (Er) became less negative in the plasma edge near rho similar to 0.97 and consequently, the E x B shearing rate was reduced significantly, which is consistent with increased density fluctuations.
WOS关键词PARTICLE-TRANSPORT COEFFICIENTS ; TOKAMAK ; CONFINEMENT ; MODULATION ; JT-60U ; ASDEX ; BETA
资助项目National Key R&D Program of China[2014GB106002] ; Development Foundation of Hefei Center for Physical Science and Technology[2016FXZY007] ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University
WOS研究方向Physics
语种英语
出版者IOP PUBLISHING LTD
WOS记录号WOS:000446354600009
资助机构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 ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; 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 ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Development Foundation of Hefei Center for Physical Science and Technology ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University ; Collaborative Research Program of the Research Institute for Applied Mechanics, Kyushu University
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/39587]  
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Liu, H. Q.
作者单位1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Grad Sch, Sci Isl Branch, Hefei 230029, Anhui, Peoples R China
3.Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
4.Univ Sci & Technol China, KTX Lab, Hefei 230026, Anhui, Peoples R China
5.Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Wang, S. X.,Liu, H. Q.,Jie, Y. X.,et al. Investigation of RMP induced density pump-out on EAST[J]. NUCLEAR FUSION,2018,58(11):7.
APA Wang, S. X..,Liu, H. Q..,Jie, Y. X..,Ding, W. X..,Zeng, L..,...&Gao, X..(2018).Investigation of RMP induced density pump-out on EAST.NUCLEAR FUSION,58(11),7.
MLA Wang, S. X.,et al."Investigation of RMP induced density pump-out on EAST".NUCLEAR FUSION 58.11(2018):7.

入库方式： OAI收割

来源：合肥物质科学研究院

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