STABILITY ANALYSIS OF RESISTIVE WALL KINK MODES IN ROTATING PLASMAS

被引:195
|
作者
BETTI, R
FREIDBERG, JP
机构
[1] UNIV ROCHESTER,DEPT MECH ENGN,ROCHESTER,NY 14623
[2] MIT,CTR PLASMA FUSION,CAMBRIDGE,MA 02139
[3] MIT,DEPT NUCL ENGN,CAMBRIDGE,MA 02139
关键词
D O I
10.1103/PhysRevLett.74.2949
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The stability analysis of external magnetohydrodynamic modes is carried out for a cylindrical plasma in the presence of a resistive wall, plasma flow, and coupling to the sound wave continuous spectrum. It is confirmed that the resonance of the mode with the sound continuum produces an effective dissipation. The combined effects of dissipation and plasma flow open up a window of stability to the external kinks. This theory can explain the numerical results of A. Bondeson and D. J. Ward [Phys. Rev. Lett. 72, 2709 (1994)]. © 1995 The American Physical Society.
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页码:2949 / 2952
页数:4
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