Stability and transport of parallel velocity shear driven mode with negative magnetic shear

被引：16
|
作者：
Sen, S [1 ]
Cairns, RA
Storer, RG
McCarthy, DR
机构：
[1] Univ St Andrews, Sch Math & Computat Sci, St Andrews KY16 9SS, Fife, Scotland
[2] N Bengal Univ, Dept Math, Darjeeling 734430, India
[3] Flinders Univ S Australia, Dept Phys, Adelaide, SA 5001, Australia
[4] SE Louisiana Univ, Hammond, LA 70402 USA
来源：
PHYSICS OF PLASMAS | 2000年 / 7卷 / 04期
关键词：
D O I：
10.1063/1.873929
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：
The linear and quasilinear behavior of the drift-like perturbation with a parallel velocity shear is studied in a sheared slab geometry. Full analytic studies show that when the magnetic shear has the same sign as the second derivative of the parallel velocity with respect to the radial coordinate, the linear mode may become unstable and turbulent momentum transport increases. On the other hand, when the magnetic shear has opposite sign to the second derivative of the parallel velocity, the linear mode is completely stabilized and turbulent momentum transport reduces. (C) 2000 American Institute of Physics. [S1070-664X(00)01203-9].
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收藏
页码：1192 / 1195
页数：4
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