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	Observation of intermittency in edge plasma of SUNIST tokamak
	Wang, WH ; He, YX ; Gao, Z ; Zeng, L ; Zhang, GP ; Xie, LF ; Feng, CH
	2010-05-10 ; 2010-05-10
关键词	intermittency spherical tokamak edge plasma turbulence transport SELF-SIMILARITY TRANSPORT FLUCTUATIONS TURBULENCE BOUNDARY NSTX Physics, Multidisciplinary
中文摘要	The temporal intermittency of the fluctuation-driven particle transport fluxes is analysed by using data obtained from Langmuir probe array in the edge of the Sino-United Spherical Tokamak (SUNIST). The conditional statistics analysis indicates that the intermittent structures have a characteristic time width of about 30mus, which is the typical fluctuation time scaling. It is also found that the transport fluxes have a multifractal character over the fluctuation time scales, and exhibit a long-time-range correlation character with self-similar parameter H > 0.5 in the plasma confinement time scales. Furthermore, the analyses show that the level of the intermittency and the long-range correlation of the fluxes vary with increasing plasma density. These observations are consistent with the prediction of the avalanche-like model.
语种	英语 ; 英语
出版者	CHINESE PHYSICAL SOC ; BEIJING ; P O BOX 603, BEIJING 100080, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/22432]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, WH,He, YX,Gao, Z,et al. Observation of intermittency in edge plasma of SUNIST tokamak[J],2010, 2010.
APA	Wang, WH.,He, YX.,Gao, Z.,Zeng, L.,Zhang, GP.,...&Feng, CH.(2010).Observation of intermittency in edge plasma of SUNIST tokamak..
MLA	Wang, WH,et al."Observation of intermittency in edge plasma of SUNIST tokamak".(2010).

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