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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Rankine vortex ： ウィキペディア英語版 Rankine vortex The Rankine vortex is a type of vortex in a viscous fluid. It is named after its discoverer, William John Macquorn Rankine. A swirling flow in a viscous fluid can be characterized by a forced vortex in its central core, surrounded by a free vortex. In an inviscid fluid, on the other hand, a swirling flow consists entirely of the free vortex with a singularity at its center point instead of the forced vortex core. The tangential velocity of a Rankine vortex with circulation $\backslash Gamma$ and radius $R$ is : The remainder of the velocity components are identically zero, so that the total velocity field is $\backslash mathbf\; =\; u\_\backslash theta\backslash \; \backslash mathbf$. == See also == * Vortex * Viscosity * Wingtip vortices 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rankine vortex」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.