Dynamics of cold pulses induced by super-sonic molecular beam injection in the EAST tokamak

doi:10.1088/1741-4326/ab0665

	Dynamics of cold pulses induced by super-sonic molecular beam injection in the EAST tokamak
	Liu, Yong1 ; Shi, Yuejiang 2; Zhang, Tao1 ; Zhou, Chu 3; Zou, Xiaolan 4; Zhao, Hailin 1; Liu, Ahdi 3; Zhou, Tianfu 1; Liu, Xiang 1; Zhang, Shoubiao 1; Cao, Bin1 ; Naulin, Volker 5
	2019-04-01
发表期刊	NUCLEAR FUSION
ISSN	0029-5515
通讯作者	Zhou, Chu(zhouchu@ustc.edu.cn)
摘要	Evolution of electron temperature, electron density and its fluctuation with high spatial and temporal resolutions are presented for the cold pulse propagation induced by super-sonic molecular beam injection (SMBI) in ohmic plasmas in the EAST tokamak. The non-local heat transport occurs for discharges with plasma current I-p = 450 kA (q(95) similar to 5.55), and electron density n(e0) below a critical value of (1.35 +/- 0.25) x 10(19) m(-3). In contrary to the response of core electron temperature and electron density (roughly 10ms after SMBI), the electron density fluctuation in the plasma core increases promptly after SMBI and reaches its maximum around 15 ms after SMBI. The electron density fluctuation in the plasma core begins to decrease before the core electron temperature reaches its maximum (roughly 30ms). It was also observed that the turbulence perpendicular velocity close to the inversion point of the temperature perturbation changes sign after SMBI.
关键词	non-local transport turbulence measurement high spatial and temporal resolutions turbulence spreading
DOI	10.1088/1741-4326/ab0665
关键词[WOS]	ELECTRON HEAT-TRANSPORT ; JET ; PROPAGATION
收录类别	SCI
语种	英语
资助项目	Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; National Natural Science Foundation of China[11405211] ; National Natural Science Foundation of China[11575248] ; National Magnetic Confinement Fusion Science Program of China[2015GB101003] ; National Magnetic Confinement Fusion Science Program of China[2015GB103002] ; National Research Foundation (NRF) - Ministry of Science and ICT of Republic of Korea[2018R1A2B2008692]
项目资助者	Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; 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 Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Research Foundation (NRF) - Ministry of Science and ICT of Republic of Korea ; National Research Foundation (NRF) - Ministry of Science and ICT of Republic of Korea ; National Research Foundation (NRF) - Ministry of Science and ICT of Republic of Korea ; National Research Foundation (NRF) - Ministry of Science and ICT of Republic of Korea ; Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology ; 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 Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Research Foundation (NRF) - Ministry of Science and ICT of Republic of Korea ; National Research Foundation (NRF) - Ministry of Science and ICT of Republic of Korea ; National Research Foundation (NRF) - Ministry of Science and ICT of Republic of Korea ; National Research Foundation (NRF) - Ministry of Science and ICT of Republic of Korea
WOS研究方向	Physics
WOS类目	Physics, Fluids & Plasmas
WOS记录号	WOS:000460303500001
出版者	IOP PUBLISHING LTD
引用统计	被引频次：8[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.hfcas.ac.cn:8080/handle/334002/42301
专题	中科院等离子体物理研究所
通讯作者	Zhou, Chu
作者单位	1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China 2.Seoul Natl Univ, Dept Nucl Engn, Seoul, South Korea 3.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China 4.CEA, IRFM, F-13108 St Paul Les Durance, France 5.Tech Univ Denmark DTU, Dept Phys, DK-2800 Lyngby, Denmark
第一作者单位	中科院等离子体物理研究所
推荐引用方式 GB/T 7714	Liu, Yong,Shi, Yuejiang,Zhang, Tao,et al. Dynamics of cold pulses induced by super-sonic molecular beam injection in the EAST tokamak[J]. NUCLEAR FUSION,2019,59(4):6.
APA	Liu, Yong.,Shi, Yuejiang.,Zhang, Tao.,Zhou, Chu.,Zou, Xiaolan.,...&Naulin, Volker.(2019).Dynamics of cold pulses induced by super-sonic molecular beam injection in the EAST tokamak.NUCLEAR FUSION,59(4),6.
MLA	Liu, Yong,et al."Dynamics of cold pulses induced by super-sonic molecular beam injection in the EAST tokamak".NUCLEAR FUSION 59.4(2019):6.