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Surface switching of rotating fluid in a cylinder

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タイトル: Surface switching of rotating fluid in a cylinder
著者: Suzuki, Toshiyuki 著作を一覧する
Iima, Makoto 著作を一覧する
Hayase, Yumino 著作を一覧する
発行日: 2006年10月
出版者: The American Institute of Physics
誌名: Physics of Fluids
巻: 18
号: 10
開始ページ: 101701
出版社 DOI: 10.1063/1.2359740
抄録: We study the surface shape of water in an open cylinder driven by constant rotation of the bottom. Around the critical Reynolds number for the laminar-turbulent transition, the surface deformation, which is of the order of the container size, shows an aperiodic switching phenomenon between an axisymmetric shape and a nonaxisymmetric shape. The axisymmetric shape is observed as a steady state when the Reynolds number is smaller than that in the switching region, while the nonaxisymmetric shape is observed as a (quasi-) periodic state in which the surface rotates at almost constant angular velocity when the Reynolds number is larger than that in the switching region. A detailed analysis for the surface shape suggests that the flow with the nonaxisymmetric shape is turbulent. ©2006 American Institute of Physics
Rights: Copyright © 2006 American Institute of Physics
資料タイプ: article
URI: http://hdl.handle.net/2115/16007
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 飯間 信

 

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