%0 Journal Article
%T Magnetic shear effect on zonal flow generation in ion-temperature-gradient mode turbulence<br>磁场剪切对离子温度梯度模带状流产生的影响
%A Lu He-Lin
%A Chen Zhong-Yong
%A Li Yue-Xun
%A Yang Kai
%A <br>陆赫林
%A 陈忠勇
%A 李跃勋
%A 杨恺
%J 物理学报
%D 2011
%I 
%X By decoupling the nonlinear fluid equations of ion-temperature-gradient (ITG) mode, the zonal flow-drift wave nonlinear dynamical equation including magnetic shear is derived. The role of magnetic shear for zonal flow generation by ITG mode turbulence is studied using a four-wave interaction model of modulational instability. Finally we can draw the conclusion that within a smaller range of k//, as |k//| increases, the growth rate of zonal flow is also increased.
%K tokamak plasmas
%K ion-temperature-gradient mode turbulence
%K zonal flow
%K magnetic shear<br>托卡马克等离子体
%K 离子温度梯度模湍流
%K 带状流
%K 磁场剪切
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=95DC14E13B3C2ACC855942C50FABCFA0&yid=9377ED8094509821&vid=BFE7933E5EEA150D&iid=5D311CA918CA9A03&sid=459D6532558DA94C&eid=459D6532558DA94C&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=17