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Candidate explanation for the mild core oscillations in dominant electron heating scenario on experimental advanced superconducting tokamak

文献类型：期刊论文

作者Li, Erzhong; Zang, Q.; Liu, H.; Li, Y.; Wu, G.; Qian, J.; Xu, L.; Hu, L.; Gong, X.
刊名PHYSICS OF PLASMAS
出版日期2018-11-01
卷号25期号:11页码:8
ISSN号1070-664X
DOI10.1063/1.5044582
通讯作者Li, Erzhong(rzhonglee@ipp.ac.cn)
英文摘要The interchange-like transport is observed between two resonant surfaces (q = 1 and q = 4/3, where q is the safety factor) in a finite small positive magnetic shear regime with mild core oscillations in the experimental advanced superconducting tokamak strong on-axis electron heating H-mode plasmas. It is synchronized with the increasing gradient of the soft X-ray profile and the intensifying electron density fluctuations in the core. The analysis of two-fluid simulations combined with experimental measurements indicates the destabilization of collective resistive interchange modes with several toroidal mode numbers. The overall effect of modes leads to strong perturbations at the two resonant surfaces in contrast to that between them where the anomalous electron flux is low. Their radial displacement is beyond the resistive layer width which satisfies the condition for the nonlinear destabilization of tearing modes [L. Comisso et al., Phys. Plasmas 23, 100702 (2016)]. Evidence and analysis shown in this paper tend to understand the mechanism of mild oscillations in the core. Published by AIP Publishing.
WOS关键词TEARING MODES ; RECONNECTION ; INTERCHANGE ; STABILITY
资助项目Youth Innovation Promotion Association Chinese Academy of Sciences[2018483] ; National Magnetic Confinement Fusion Energy Research Program[2015GB102000]
WOS研究方向Physics
语种英语
WOS记录号WOS:000451734600017
出版者AMER INST PHYSICS
资助机构Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; Youth Innovation Promotion Association Chinese Academy of Sciences ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program ; National Magnetic Confinement Fusion Energy Research Program
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/40383]  
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Li, Erzhong
作者单位Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Li, Erzhong,Zang, Q.,Liu, H.,et al. Candidate explanation for the mild core oscillations in dominant electron heating scenario on experimental advanced superconducting tokamak[J]. PHYSICS OF PLASMAS,2018,25(11):8.
APA Li, Erzhong.,Zang, Q..,Liu, H..,Li, Y..,Wu, G..,...&Gong, X..(2018).Candidate explanation for the mild core oscillations in dominant electron heating scenario on experimental advanced superconducting tokamak.PHYSICS OF PLASMAS,25(11),8.
MLA Li, Erzhong,et al."Candidate explanation for the mild core oscillations in dominant electron heating scenario on experimental advanced superconducting tokamak".PHYSICS OF PLASMAS 25.11(2018):8.

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来源：合肥物质科学研究院

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