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Production of Shear Profiles in a Wind Tunnel by Cylindrical Rods Placed Normal to the Stream

Published online by Cambridge University Press:  04 July 2016

D. J. Cockrell  and
B. E. Lee
D. J. Cockrell
Affiliation:
University of Leicester
B. E. Lee
Affiliation:
University of Leicester
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Extract

The production of required velocity profiles in a duct or wind tunnel is a necessary part of much research aimed at understanding fluid behaviour. Perhaps the most obvious application is the simulation of wind gradients for the study of wind effects on structures, but equally important is the study of diffuser and duct behaviour when subjected to a variety of known and convenient velocity profiles. Furthermore, the effects of the variation in turbulence characteristics within a range of identical velocity profiles produced by different methods are not clearly understood.

Type
Technical Notes
Information
The Aeronautical Journal , Volume 70 , Issue 667 , July 1966 , pp. 724 - 725
Copyright
Copyright © Royal Aeronautical Society 1966

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References

1. Elder, J. W. Steady Flow through Non-Uniform Gauzes of Arbitrary Shape. Journal of Fluid Mechanics, Vol 5, pp 355–368, 1959.Google Scholar
2. Owen, P. R. and Zienkiewicz, H. K. The Production of Uniform Shear Flow in a Wind Tunnel. Journal of Fluid Mechanics, Vol 2, pp 521–531, 1957.Google Scholar
3. Livesey, J. L. and Turner, J. T. The Generation of Symmetrical Duct Velocity Profiles of High Uniform Shear. Journal of Fluid Mechanics, Vol 20, pp 201–208, 1964.Google Scholar