Existence and Significance of 'Soft Worms'in Isotropic Turbulence*
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概要
- 論文の詳細を見る
Vortical structure in decaying isotropic turbulence is studied by direct numerical sinaulationon the 512' grid. At the fully-developed state, while it is well-known that many tubes with highvorticity which tray be called "worms" are created throughout the space, we have found thattlae background vorticity field is never random but is so coherent that it involves many tubeswith much lower vorticity cores than the former, that may be called "soft wornas" in some casesmuch thicker and longer than the former tubes. It is debated that the similitttde of all hard andsoft tubes with the Btnrgers vortices may be acknowledged only in a certain average sense.
- 社団法人日本物理学会の論文
- 1997-10-15
著者
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Yamamoto Keiichi
Department Of Electronics Faculty Of Engineering Kobe University
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YAMAMOTO Kiyoshi
National Aerospace Laboratory
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Yamamoto K
Ntt Basic Res. Lab. Atsugi Jpn
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Yamamoto K
Harima Institute Riken (the Institute Of Physical And Chemical Research):graduate School Of Engineer
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HOSOKAWA Iwao
University of Electro-Communications
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OIDE Shin-ichi
National Aerospace Leboratory
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Oide S
Univ. Electro‐communications Tokyo
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Yamamoto K
Hiroshima Univ. Hiroshima
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Hosokawa Iwao
National Aeronautical Laboratory
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Yamamoto Kiyoshi
National Aeronautics Laboratory
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Yamamoto Kiyoshi
University of Electro-Communications
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