论文摘要
In order to understand the mechanism by which the resonant magnetic perturbation（RMP）mitigates or suppresses the edge-localized mode（ELM）, the topological study of the edge magnetic field in ELM mitigation or suppression phase is a critical issue. To model the three-dimensional magnetic field topology superposed RMP on Experimental Advanced Superconducting Tokamak,a numerical model using the field line tracing method for both vacuum and ideal plasma response approximations is proposed. Using the numerical model, the topological change and the penetration depth of the stochastic field lines in the edge magnetic field are studied in an RMP experiment.Comparing profiles of minimum ρ on edge stochastic field lines and the particle flux pattern, the ideal plasma response changes the field line penetration depth while remaining similar profile relative to vacuum approximation. To mitigate and suppress ELM strongly, the deep penetration of RMP fields and topological changes of the edge magnetic field is a key from our modeling.
论文目录
文章来源
类型: 期刊论文
作者: 黄杰,铃木康浩,梁云峰,贾曼妮,孙有文,楚南,许吉禅,吴木泉,EAST team
来源: Plasma Science and Technology 2019年06期
年度: 2019
分类: 基础科学,工程科技Ⅱ辑
专业: 核科学技术
单位: Institute of Plasma Physics,Chinese Academy of Sciences,University of Science and Technology of China,National Institutes of Fusion Sciences,National Institutes of Natural Sciences,SOKENDAI,The Graduate University for Advanced Studies,Institute for Energy and Climate Reserch–Plasma Physics,Forschungszentrum Juelich,Association EURATOM-FZJ,Trilateral Euregio Cluster
基金: supported by the National Key R&D Program of China (No. 2017YFE0301100),National Natural Science Foundation of China (No. 51828101),the KC Wong Education Foundation,the China Scholarship Council,the NIFS (National Institute for Fusion Science) Collaborative Research Program (NIFS16KNTT042),JSPS (the Japan Society for the Promotion of Science) Grant-in-aid for Scientific Research (B) 18H01202
分类号: TL631.24
页码: 102-109
总页数: 8
文件大小: 927K
下载量: 3
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