漂移有序短平均自由程闭包
Drift ordered short mean free path closure
摘要:
最近导出了磁化等离子体在漂移序下的完整的短平均自由程描述。结果修正了以前关于离子压力各向异性(或平行离子粘度)和垂直离子粘度的表达式,离子陀螺粘度不变。此外,首次解决了电子问题,得到了电子压力各向异性(平行电子粘度)和电子陀螺粘度-垂直电子粘度可以忽略不计。结果已被用来获得适当的托卡马克的边缘减少流体的描述。此外,完整的描述已被用来评估决定径向电场和流动的托卡马克环角动量的径向输运。
英文摘要:
The complete short mean free path description of magnetized plasma in the drift ordering has recently been derived. The results correct the previous expressions for the ion pressure anisotropy (or parallel ion viscosity) and the perpendicular ion viscosity - the ion gyro-viscosity is unchanged. In addition, the electron problem is solved for the first time to obtain the electron pressure anisotropy (parallel electron viscosity) and the electron gyro-viscosity - the perpendicular electron viscosity is negligible. The results have been used to obtain a reduced fluid description appropriate to the edge of a tokamak. In addition, the complete description has been used to evaluate the radial transport of toroidal angular momentum that determines the radial electric field and flows in a tokamak.
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