Flow Behind Two Coaxial Circular Cylinders

[+] Author and Article Information
N. W. M. Ko, W. L. Leung, H. Au

Department of Mechanical Engineering, University of Hong Kong, Hong Kong

J. Fluids Eng 104(2), 223-227 (Jun 01, 1982) (5 pages) doi:10.1115/1.3241814 History: Received April 01, 1981; Online October 26, 2009


The flow behind two circular cylinders of different diameters, which were joined coaxially has been examined at the Reynolds number of 8 × 104 . The detailed pressure spectral measurements indicate the shedding and the distributions of the pressure fluctuations of the vortex wakes associated with the big and small cylinders. The effect of the presence of the small vortex wake on the vortex shedding of the big cylinder and the interaction between them is presented. The wake formed behind the plane of discontinuity has been isolated and presented.

Copyright © 1982 by ASME
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