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The effect of base bleed on the steady separated flow past bluff objects

Published online by Cambridge University Press:  29 March 2006

L. G. Leal  and
A. Acrivos
L. G. Leal
Affiliation:
Department of Chemical Engineering, Stanford University Present address: DAMTP, University of Cambridge.
A. Acrivos
Affiliation:
Department of Chemical Engineering, Stanford University
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Abstract

The modifying effect of base bleed on the steady separated flow past a two-dimensional bluff body is considered. Detailed experimental results are presented for Reynolds numbers R between 50 and 250 and for bleed coefficients b in the range 0 to 0·15. The streamline pattern near the object is found to be strongly affected by small changes in the rate of bleed, with the recirculating closed wake disappearing altogether for b > 0·15. Nevertheless, the qualitative dependence on R of the physical dimensions of the near-wake region and the associated streamwise pressure profile appear to be unaffected by base bleed.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 39 , Issue 4 , 15 December 1969 , pp. 735 - 752
Copyright
© 1969 Cambridge University Press

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References

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