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Pressure Coefficient and Diffuser Efficiency

Published online by Cambridge University Press:  04 July 2016

D. J. Cockrell
D. J. Cockrell*
Affiliation:
University of Leicester
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Extract

In a recent Technical Note, Bradshaw offered additional thought on an earlier note by Markland and myself. In doing so he wrote of the efficiency of a diffuser which was confused with the pressure recovery coefficient, Cp. In view of the great significance when designing engine intakes, combustion chambers, nuclear reactor plant and even heating and ventilating systems of even minute improvements in duct efficiency, the distinction is further discussed.

Type
Technical notes
Information
The Aeronautical Journal , Volume 68 , Issue 648 , December 1964 , pp. 844 - 845
Copyright
Copyright © Royal Aeronautical Society 1964

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References

1.Bradshaw, P.Performance of a Diffuser with Fully-developed Pipe Flow at Entry. Journal of the Royal Aeronautical Society, Vol. 67, p. 733, November 1963.CrossRefGoogle Scholar
2.Cockrell, D. J. and Markland, E.The effects of Inlet Conditions on Incompressible Fluid Flow Through Conical Diffusers. Journal of the Royal Aeronautical Society, Vol. 66, p. 51, January 1962.Google Scholar
3.Cockrell, D. J. and Markland, E.A Review of Incompressible Diffuser Flow. Aircraft Engineering, Vol. 35, p. 286, October 1963.Google Scholar
4.Sprenger, H. Experimentelle Untersuchungen an geraden und gekrummten Diffusoren, Mitteilungen aus dem Institut fur Aerodynamik, Zurich, No. 27, 1959.Google Scholar