CAN USEFUL TOROIDAL CURRENT BE DRIVEN BY CLASSICAL VISCORESISTIVE ALFVEN WAVES

被引:9
作者
BELLAN, PM
SCHALIT, MA
机构
[1] California Institute of Technology, Pasadena
[2] Hughes Aircraft Space and Communications Group, El Segundo
来源
PHYSICS OF FLUIDS B-PLASMA PHYSICS | 1991年 / 3卷 / 02期
关键词
D O I
10.1063/1.859883
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
Simple, yet exact, analytic solutions for the shear and compressional Alfven wave are obtained for helical magnetohydrodynamic (MHD) waves in cylindrical geometry with both resistivity and viscosity included. The current driven by all possible combinations of these waves is examined in the quasilinear regime (i.e., where the magnetic field produced by the driven current is not self-consistently included in the equilibrium where the wave equations are derived). It is found in all cases that it is not possible to drive significant bulk axial current with small amplitude wave fields. Thus, any useful low-frequency current drive scheme will have to be based on phenomena more complicated than those discussed here.
引用
收藏
页码:423 / 427
页数:5
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