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

机译:具有非均匀磁场的低压等离子体中的平行动量平衡

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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.
机译:本文描述了具有非均匀磁场的低压等离子体中平行动量平衡的结构。通过将反磁场1 / B的展开作为小参数,从磁流体动力学方程式导出平行动量平衡方程式。阐明了粘度和惯性项的贡献。结果表明,磁场曲率导致平行流与电场和等离子体压力波动的重要耦合。

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