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Similarity and instability in a wake

Yu V Medvedev2008年Plasma Physics and Controlled FusionIF 2.2出版社

A wake behind a fast moving body is studied by computer simulation. Similarity of plasma flows around bodies of different sizes is illustrated. A two-stream instability appears far from the body and gradually changes to a set of phase space holes. The ion and electron densities in a hole are appreciably lowered.

日本語訳

高速で移動する物体の背後に生じる航跡をコンピュータシミュレーションにより研究した。異なるサイズの物体の周囲におけるプラズマ流の相似性を示した。物体から遠方では二流体不安定性が現れ、それが徐々に位相空間ホールの集合へと変化する。ホール内ではイオン密度と電子密度が著しく低下する。

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