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Persistence of MHD-stability in the two-fluid model

P.P.J.M. Schram, H. Tasso1962年被引用 7Nuclear FusionIF 3出版社

A general proof is given that all static equilibria without volume currents which are stable according to magneto-hydrodynamics (MHD) remai n stable in the two-fluid model, if resistivity and electron inertia are neglected. Therefore the Hall term in Ohm's law can onl y have a stabilizing effect, if any effect at all. This result is valid for finite beta and arbitrary geometry, whether a wall or vacuum surrounds the plasma. As a special example th e cylindrical pinch with surface currents is investigated in detail.

日本語訳

抵抗率と電子慣性が無視される場合、体積電流を持たず、電磁流体力学(MHD)によれば安定なすべての静的平衡は、二流体モデルにおいても安定なままであることの一般的証明が与えられる。したがって、オームの法則におけるホール項は、仮に何らかの効果を持つとしても、安定化効果しか持ち得ない。この結果は、有限ベータおよび任意の幾何学形状に対して有効であり、プラズマを取り囲むのが壁であれ真空であれ成り立つ。特別な例として、表面電流を伴う円筒ピンチが詳細に調べられる。

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Magnetohydrodynamics
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