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Surface switching of rotating fluid in a cylinder

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Title: Surface switching of rotating fluid in a cylinder
Authors: Suzuki, Toshiyuki Browse this author
Iima, Makoto Browse this author →KAKEN DB
Hayase, Yumino Browse this author
Issue Date: Oct-2006
Publisher: The American Institute of Physics
Journal Title: Physics of Fluids
Volume: 18
Issue: 10
Start Page: 101701
Publisher DOI: 10.1063/1.2359740
Abstract: 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
Type: article
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 飯間 信

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