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TECHNICAL BRIEFS

Experimental Investigation of Uniform-Shear Flow Past a Circular Cylinder

[+] Author and Article Information
Tae Soon Kwon, Hyung Jin Sung, Jae Min Hyun

Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Seoul, Korea

J. Fluids Eng 114(3), 457-460 (Sep 01, 1992) (4 pages) doi:10.1115/1.2910053 History: Received July 07, 1991; Online May 23, 2008

Abstract

Extensive laboratory experiments were carried out to investigate the uniform-shear flow approaching a circular cylinder. The aim was to present the Strouhal number (St)- Reynolds number (Re) diagrams over a broad range of the shear parameter K (0 ≤ K ≤ 0.25) and at higher values of Re (600 ≤ Re ≤ 1600). An image processing technique, in conjunction with flow visualization studies, was used to secure more quantitative depictions of vortex shedding from the cylinder. The Strouhal number increases with increasing shear parameter. The drag coefficient decreases with increasing Re; also, Cd decreases as the shear parameter K increases.

Copyright © 1992 by The American Society of Mechanical Engineers
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