Turbulent flow around a rotating cylinder in a quiescent fluid

被引：7

作者：

Dierich, M ^{[1
]}

Gersten, K ^{[1
]}

Schlottmann, F ^{[1
]}

机构：

[1] Ruhr Univ Bochum, Inst Thermo & Fluiddynamik, D-44780 Bochum, Germany

来源：

EXPERIMENTS IN FLUIDS | 1998年 / 25卷 / 5-6期

关键词：

Shear Stress; Reynolds Number; Velocity Distribution; Circular Cylinder; High Reynolds Number;

D O I：

10.1007/s003480050251

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Hot-wire measurements have been carried out in the turbulent how around a rotating circular cylinder in still air for Reynolds numbers Re= \U-W\D/v = 1.5 x 10(4) to 10(5). The experimental results confirm the analysis derived by asymptotic theory for high Reynolds numbers. Two different ways of deriving the friction law from the experiments (via shear stress and via velocity distribution) resulted practically in the same law. It is shown, that in spite of the curvature of the streamlines the universal logarithmic velocity distribution is still valid near the wall.

引用

页码：455 / 460

页数：6

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