Effect of density variations along ion drift trajectories on the poloidal and toroidal rotation velocities of a collisionless tokamak plasma

被引：0
|
作者：
A. N. Romannikov
机构：
[1] State Scientific Center of the Russian Federation,Troitsk Institute for Innovation and Fusion Research
来源：
Plasma Physics Reports | 2003年 / 29卷
关键词：
Density Variation; Rotation Velocity; Magnetic Surface; Velocity Distribution Function; Tokamak Plasma;
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学科分类号：
摘要：
The effect of plasma density variations along ion drift trajectories on the ion velocity distribution function at a given point on a tokamak magnetic surface is studied. The observed distortion of the distribution function can be interpreted as a poloidal (or toroidal) plasma rotation that is additional to the neoclassical rotation. Due to this additional rotation, the velocity of the toroidal plasma rotation is different on the low-and high-field sides of the same magnetic surface. In the case of large ion density gradients, the poloidal rotation velocity on the same magnetic surface can have different signs at different poloidal angles.
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页码：635 / 641
页数：6
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