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E x B flow shear mitigates ballooning-driven edge-localized modes at high collisionality: experiment and simulation

文献类型：期刊论文

作者Kong, D. F.2,3; Xu, X. Q.3; Diamond, P. H.4,5; Chen, J. G.6,7; Huang, C. B.2; Lan, T.1; Gao, X.2; Li, J. G.2
刊名NUCLEAR FUSION
出版日期2019
卷号59期号:1页码:7
关键词ELM flow shear collisionality pedestal structure tokamak
ISSN号0029-5515
DOI10.1088/1741-4326/aaef0c
通讯作者Kong, D. F.(dfkong@ipp.ac.cn)
英文摘要By using the specific co-neutral beam injection (co-NBI) and counter-NBI systems on EAST, an alternating E x B flow shear discharge has been obtained to study the impact of the E x B flow shear on ballooning-driven edge localized modes (ELMs) at a fixed high collisionality (v* similar to 2.3). The results reveal that the increased E x B flow shear can significantly mitigate ELMs, or even totally suppress ELMs when the shear is large enough. Our simulations with BOUT++ support the observations on EAST, and further indicate that the increased E x B can both reduce the linear growth rate of the ballooning mode and shorten its growth time (phase coherence time, PCT). The enhanced nonlinear interactions shorten the PCT of the ballooning mode, as validated by the bispectrum study on EAST. All those studies suggest a new way to control ELMs.
WOS关键词DENSITY PROFILE ; ENERGY ; ROTATION ; ELMS
资助项目International Partnership Program of Chinese Academy of Sciences[Y16YZ17271] ; National Key Research and Development Program of China[2017YFE0300500] ; National Key Research and Development Program of China[2017YFE0300501] ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology[2018CXFX010] ; China National Fusion Project for ITER[2014GB106003] ; US DOE[DE-FG02-04ERS4738] ; US DOE[DE-AC52-7NA27344]
WOS研究方向Physics
语种英语
WOS记录号WOS:000453288500002
出版者IOP PUBLISHING LTD
资助机构International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; US DOE ; US DOE ; US DOE ; US DOE ; US DOE ; US DOE ; US DOE ; US DOE ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; International Partnership Program of Chinese Academy of Sciences ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; China National Fusion Project for ITER ; US DOE ; US DOE ; US DOE ; US DOE ; US DOE ; US DOE ; US DOE ; US DOE
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/41057]  
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Kong, D. F.
作者单位1.Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
3.Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA
4.Univ Calif San Diego, Ctr Astrophys & Space Sci, La Jolla, CA 92093 USA
5.Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA
6.Peking Univ, Fus Simulat Ctr, Beijing 100871, Peoples R China
7.Peking Univ, State Key Lab Nucl Phys & Technol, Sch Phys, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714		 Kong, D. F.,Xu, X. Q.,Diamond, P. H.,et al. E x B flow shear mitigates ballooning-driven edge-localized modes at high collisionality: experiment and simulation[J]. NUCLEAR FUSION,2019,59(1):7.
APA Kong, D. F..,Xu, X. Q..,Diamond, P. H..,Chen, J. G..,Huang, C. B..,...&Li, J. G..(2019).E x B flow shear mitigates ballooning-driven edge-localized modes at high collisionality: experiment and simulation.NUCLEAR FUSION,59(1),7.
MLA Kong, D. F.,et al."E x B flow shear mitigates ballooning-driven edge-localized modes at high collisionality: experiment and simulation".NUCLEAR FUSION 59.1(2019):7.

入库方式： OAI收割

来源：合肥物质科学研究院

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