Effect of Blockage on Steady Force Coefficients

by Amruthur S. Ramamurthy, (A.M.ASCE), Assoc. Prof.; Sir George Williams Univ., Montreal, PQ, Canada,
C. P. Ng, Grad. Student; Sir George Williams Univ., Montreal, PQ, Canada,

Serial Information: Journal of the Engineering Mechanics Division, 1973, Vol. 99, Issue 4, Pg. 755-772

Document Type: Journal Paper

Errata: (See full record)
Discussion: Raju K. G. Ranga (See full record)
Discussion: Shaw Thomas L. (See full record)
Closure: (See full record)

Abstract: The variation of the steady force coefficients for a two-dimensional circular cylinder and a triangular prism due to wall interference is reported here for a large range of blockage ratios. The effect of wall constraint on the Strouhal frequency is also examined for a limited range of blockage ratios. A simple choice of the scales of velocity and lengths constituting the force coefficients and the Strouhal number for constrained flows is proposed to include blockage effects.

Subject Headings: Walls | Cylinders | Prism |

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