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Wake characteristics of two-dimensional perforated plates normal to an air-stream

Published online by Cambridge University Press:  29 March 2006

I. P. Castro
I. P. Castro
Affiliation:
Department of Aeronautics, Imperial College, London, S.W.7
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Abstract

The flow in the wakes behind two-dimensional perforated plates has been investigated in the Reynolds number range 2·5 × 104 to 9·0 × 104.

Measurements of drag and shedding frequency were made and a pulsed hotwire anemometer was used to measure the mean velocity and turbulent intensity variations in the highly turbulent regions immediately behind the plates.

The results indicate the existence of two distinct types of flows: one appropriate to high and the other to low values of plate porosity.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 46 , Issue 3 , 13 April 1971 , pp. 599 - 609
Copyright
© 1971 Cambridge University Press

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