Journal of Fluid Mechanics

Table of Contents - 1961 - Volume 10, Issue03  


Experiments on the flow past a circular cylinder at very high Reynolds number

Anatol  Roshko a1
a1 Guggenheim Aeronautical Laboratory, California Institute of Technology, Pasadena, California

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Abstract

Measurements on a large circular cylinder in a pressurized wind tunnel at Reynolds numbers from 106 to 107 reveal a high Reynolds number transition in which the drag coefficient increases from its low supercritical value to a value 0.7 at R = 3.5 × 106 and then becomes constant. Also, for R > 3.5 × 106, definite vortex shedding occurs, with Strouhal number 0.27.

(Published Online March 28 2006)
(Received November 15 1960)


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