%0 Journal Article
%T Observation of intermittency in edge plasma of SUNIST tokamak
%A Wang Wen-Hao
%A He Ye-Xi
%A Gao Zhe
%A Zeng Li
%A Zhang Guo-Ping
%A Xie Li-Feng
%A Feng Chun-Hua
%A <br>王文浩
%A 何也熙
%A 高喆
%A 曾立
%A 张国平
%A 解丽凤
%A 冯春华
%J 中国物理 B
%D 2004
%I 
%X 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 30μs, 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.
%K intermittency
%K spherical tokamak
%K edge plasma turbulence transport<br>间歇性
%K 球形托卡马克装置
%K 等离子体
%K 激震传输
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=CD8D6A6897B9334F09D8D1648C376FB4&aid=D81A3F031D03DA698C72189ED2784479&yid=D0E58B75BFD8E51C&vid=FC0714F8D2EB605D&iid=59906B3B2830C2C5&sid=B5034D16D8C9EE45&eid=572ABCACB4426B6D&journal_id=1009-1963&journal_name=中国物理&referenced_num=0&reference_num=18