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Larmor radius and collisional effects on the combined Taylor and Kelvin instabilities in a composite medium

H. K. Hans1968年被引用 44Nuclear FusionIF 3出版社

The simultaneous effects of ion Larmor radius and collisions with neutral atoms are investigated on Kelvin-Helmholtz and Rayleigh-Taylor configurations. It is found that the Kelvin configuration is stable if both finite Larmor radius effects and the collisions are taken into account for all wave-numbers greater than the critical value U/2ν. When the system is unstable, it is found that, whereas the Larmor radius has a stabilizing influence, a collision frequency has a stabilizing effect when it is small and a destabilizing effect when it exceeds a certain value. In the case of the Rayleigh-Taylor configuration it is found, however, that the collisions have a stabilizing influence.

日本語訳

イオン・ラーマー半径と中性原子との衝突の同時効果を、ケルビン・ヘルムホルツおよびレイリー・テイラー配置について調べた。有限ラーマー半径効果と衝突の両方を考慮すると、臨界値 U/2ν より大きいすべての波数に対してケルビン配置は安定であることが見出された。系が不安定な場合、ラーマー半径は安定化の影響を与える一方、衝突周波数は小さいときには安定化効果を持ち、ある値を超えると不安定化効果を持つことが見出された。しかしレイリー・テイラー配置の場合には、衝突は安定化の影響を持つことが見出された。

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