Vortex Shedding From Slender Cylinders of Various Cross Sections

[+] Author and Article Information
Arun S. Mujumdar, W. J. M. Douglas

Department of Chemical Engineering, McGill University, Montreal, Canada

J. Fluids Eng 95(3), 474-476 (Sep 01, 1973) (3 pages) doi:10.1115/1.3447052 History: Received March 18, 1973; Online October 12, 2010


Vortex shedding frequencies were measured for a number of cylinders of various geometrical shapes by placing a hot-wire sensor in the near wake and autocorrelating the turbulence signal. Strouhal numbers are presented for D-section cylinders with the flat face facing both upstream and downstream, isosceles triangular prisms, axially corrugated and helically grooved circular cylinders. For the triangular prisms effect of angle of attack was also studied. Effect of surface roughness on shedding from circular cylinders was observed to be negligible.

Copyright © 1973 by ASME
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