Surface and Wake Flow Phenomena of the Vortex-Excited Oscillation of a Circular Cylinder

[+] Author and Article Information
N. Ferguson

Nova Scotia Technical College, Halifax, Nova Scotia

G. V. Parkinson

University of British Columbia, Vancouver, B. C., Canada

J. Eng. Ind 89(4), 831-838 (Nov 01, 1967) (8 pages) doi:10.1115/1.3610163 History: Received December 01, 1966; Online August 25, 2011


Using an original design of acoustic-level pressure transducer, measurements were made of fluctuating pressures on the surface and in the wake of a circular cylinder at rest and in vortex-excited oscillation at subcritical Reynolds numbers. Frequency, amplitude, and phase, where relevant, of the cylinder oscillation were also measured, and some effects of cylinder oscillation on the organized wake geometry were observed. The new results are compared with relevant existing information for the stationary cylinder, and with the few measurements previously available for the oscillating cylinder, and some analysis is made.

Copyright © 1967 by ASME
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