On the parallel momentum balance in low pressure plasmas with an inhomogeneous magnetic field

被引：18
作者：
Smolyakov, A. I. [1 ,2 ]
Garbet, X. [1 ]
Bourdelle, C. [1 ]
机构：
[1] CEA Cadarache, IRFM, F-13108 St Paul Les Durance, France
[2] Univ Saskatchewan, Dept Phys & Engn Phys, Saskatoon, SK S7N 5E2, Canada
来源：
NUCLEAR FUSION | 2009年 / 49卷 / 12期
关键词：
TOROIDAL PLASMAS; FLUID EQUATIONS; MODES;
D O I：
10.1088/0029-5515/49/12/125001
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：
This paper describes the structure of the parallel momentum balance in low pressure plasmas with an inhomogeneous magnetic field. The parallel momentum balance equation is derived from magnetohydrodynamic equations by an expansion in the inverse magnetic field 1/B as a small parameter. Contributions of the gyroviscosity and inertia terms are clarified. It is shown that magnetic field curvature leads to important coupling of parallel flow with fluctuations of the electric field and plasma pressure.
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页数：5
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