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NUMERICAL ANALYSIS ON STROUHAL FREQUENCIES IN VORTEX SHEDDING OVER SQUARE CYLINDERS WITH SURFACE SUCTION AND BLOWING

LISA M. LING (Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77251–1892, USA)
BALASUBRAMANIAM RAMASWAMY (Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77251–1892, USA)
RUBEN D. COHEN (Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77251–1892, USA)
TSWEN‐CHYUAN JUE (Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77251–1892, USA)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Article publication date: 1 April 1993

159

Abstract

The effects of normal surface suction and blowing on the Strouhal frequencies in vortex shedding over porous square cylinders was analysed numerically. The general characteristics determined were (1) an initial increase followed by a decreasing behaviour in the Strouhal frequency with increasing suction velocity and (2) a decrease in the Strouhal frequency with increasing blowing velocity. The numerical results were compared to an existing preliminary model, yielding fairly close agreement.

Keywords

Citation

LING, L.M., RAMASWAMY, B., COHEN, R.D. and JUE, T. (1993), "NUMERICAL ANALYSIS ON STROUHAL FREQUENCIES IN VORTEX SHEDDING OVER SQUARE CYLINDERS WITH SURFACE SUCTION AND BLOWING", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 3 No. 4, pp. 357-375. https://doi.org/10.1108/eb017536

Publisher

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MCB UP Ltd

Copyright © 1993, MCB UP Limited

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