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An analytic solution of steady Stokes flow on a rotating polar cap

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タイトル: An analytic solution of steady Stokes flow on a rotating polar cap
著者: Kitauchi, Hideaki 著作を一覧する
Ikeda, Motoyoshi 著作を一覧する
キーワード: Analytic solution
Stationary
Stokes flow
Rotation
Polar cap
発行日: 2009年 8月
出版者: IOP Publishing
誌名: Fluid Dynamics Research
巻: 41
号: 4
開始ページ: 045505
出版社 DOI: 10.1088/0169-5983/41/4/045505
抄録: An analytic solution of two-dimensional, steady, linear, viscous flow on a polar cap-polar region of a sphere that lies above (or below) a given plane normal to the rotation axis-rotating about its center is obtained. Inflow and outflow on the boundary of the polar cap drive the fluid motion. The solution of the stream function is expressed as the Fourier series in longitudes and the associated Legendre functions of complex degrees in cosines of colatitudes. The fluid particles move almost along lines of constant latitude, some circulate cyclonically and the others anticyclonically, in the geostrophic balance everywhere except near the north pole where the flow is relatively slow and the viscous force dominates over the Coriolis force. Our results support the approximation analysis and laboratory experiment studied by Imawaki and Takano (Deep-Sea Res. 21, 69-77, 1974).
Rights: This is an author-created, un-copyedited version of an article accepted for publication in Fluid Dynamics Research. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The definitive publisher authenticated version is available online at 10.1088/0169-5983/41/4/045505.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/39627
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 池田 元美

 

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