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RESEARCH PAPERS

The Forces on a Cylinder Oscillating Sinusoidally in Water: Further Experiments

[+] Author and Article Information
C. Dalton, A. K. M. F. Hussain

University of Houston, Houston, Tex. 77004

J. P. Hunt

Pullman Kellogg Inc., Houston, Tex. 77004

J. Pressure Vessel Technol 100(3), 297-301 (Aug 01, 1978) (5 pages) doi:10.1115/1.3454470 History: Received March 27, 1978; Online October 25, 2010

Abstract

This paper deals with wave forces on a single cylinder. The wave forces are simulated in a laboratory by oscillating a cylinder sinusoidally in water otherwise at rest. This effort is a parametric study relating a force coefficient to such variables as instantaneous Reynolds number, period parameter, and d/νT. The force is not decomposed into drag and inertia components, but is represented as a continuous function of the previously mentioned parameters. The idea is to determine how the acceleration affects the force. Considerable deviation from a Reynolds-number only dependence is noted for low Reynolds numbers. The steady-flow drag coefficient value is asymptotically obtained for large Reynolds numbers.

Copyright © 1978 by ASME
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