File:Rugosification d'une sphère en régime de Stokes, théorème de Hill et Power.png
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Rugosification d'une sphère en régime de Stokes, théorème de Hill et Power
Summary
editDescriptionRugosification d'une sphère en régime de Stokes, théorème de Hill et Power.png |
Français : Le théorème de Hill et Power permet de démontrer qu'en rendant rugueuse la sphère de sorte que, par exemple, le fond des rugosités dessine une sphère de 0,94D, sa traînée en régime de Stokes se trouve diminuée de 0 à 6 % (à fluide et vitesse de décantation égaux).
English: Hill and Power's theorem makes it possible to demonstrate that by roughening the sphere so that, for example, the bottom of the roughness draws a sphere of 0.94D, its drag in Stokes flow is reduced from 0 to 6% ( at equal fluid and settling speed). |
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Author | Bernard de Go Mars |
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