ELECTROMAGNETIC EFFECT ON THE TOROIDAL ION TEMPERATURE-GRADIENT MODE

被引：98

作者：

KIM, JY

HORTON, W

DONG, JQ

机构：

[1] Institute for Fusion Studies, University of Texas at Austin, Austin

来源：

PHYSICS OF FLUIDS B-PLASMA PHYSICS | 1993年 / 5卷 / 11期

关键词：

D O I：

10.1063/1.860623

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

A systematic study of the electromagnetic effects on the toroidal ion temperature gradient mode is presented using the local and nonlocal theories with the full kinetic terms. For the nonlocal study, a numerical code is developed to solve the electromagnetic gyrokinetic equation in the ballooning space. The electromagnetic coupling to the shear Alfven mode is shown to give a stabilization of the toroidal temperature gradient mode at almost the same plasma pressure as that at which the kinetically modified magnetohydrodynamic (MHD) ballooning mode becomes destabilized. The transitional 6 value is shown to be lower in the full kinetic description than in the fluid theory. Possible correlations of these stability results with experimental observations are discussed.

引用

页码：4030 / 4039

页数：10

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