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＜紀要論文＞
ON THE SLOW MOTION OF VISCOUS LIQUID PAST A CIRCULAR CYLINDER
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| 概要 | The two-dimensional problem which determines the flow field of a viscous liquid past a circular cylinder placed perpendicular to the uniform flow has been treated elegantly by S. Tomotika and T. Aoi,l...) by means of the Oseen's linearised equations. We here treat the same problem by the same equations but in somewhat different way, with the view of determining the Reynolds number at which the rear twin-vortices make their appearance. The found value is about 3.02 which is not remote from the experimental one 2.65, but this coincidence is rather contingent and the Oseen's approximation in general seems to be remote from the exact solution of the Navier-Stokes equations except the case of extremely small Reynolds number. This is indicated in the following by the consideration of the pressure.続きを見る |
| 目次 | §1. Integration of Oseen's Equations. § 2. Birth of Twin-Vortices. § 3. Consideration of Pressure and Resistance |
詳細
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| 登録日 | 2023.11.21 |
| 更新日 | 2024.10.22 |