Measurement of turbulent flow field at a vertical semicircular cylinder attached to the sidewall of a rectangular channel

被引：19

作者：

Barbhuiya, AK ^{[1
]}

Dey, S ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Civil Engn, Kharagpur 721302, W Bengal, India

来源：

FLOW MEASUREMENT AND INSTRUMENTATION | 2004年 / 15卷 / 02期

关键词：

turbulent flow; fluid flow; open channels; steady flow; three-dimensional flow; hydraulics;

D O I：

10.1016/j.flowmeasinst.2003.11.002

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Measurement of three-dimensional turbulent flow field at a vertical semicircular cylinder, attached to the sidewall of a rectangular channel. was taken in the laboratory using an Acoustic Doppler Velocimeter (ADV). The distributions of time-averaged velocity components, turbulent intensity components, turbulent kinetic energy and Reynolds stresses Lit different azimuthal planes are presented. The vector plots of flow, field at azimuthal and horizontal planes show the presence of a primary vortex upstream of the cylinder. The bed shear stresses in the vicinity of the cylinder are determined from the Reynolds stresses and velocity gradients. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：87 / 96

页数：10

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