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Measurement of drag using a momentum balance

Published online by Cambridge University Press:  04 July 2016

L. C. Squire
L. C. Squire*
Affiliation:
Cambridge University Engineering Department Cambridge, UK
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Summary

This note presents the results of the application of a momentum control surface analysis to the estimation of the drag of bodies and surfaces placed in the test section of a windtunnel. The assumptions of the method are stated and accuracy of the method considered with particular reference to the drag of riblet surfaces at high subsonic speeds, the drag of two-dimensional cavities at both high subsonic and low supersonic speeds, and the drag of manipulators at high subsonic speeds.

Type
Technical Note
Information
The Aeronautical Journal , Volume 99 , Issue 985 , May 1995 , pp. 183 - 186
Copyright
Copyright © Royal Aeronautical Society 1995 

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References

5. References

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2. Squire, L.C. Further experimental investigations of compressible turbulent boundary layers with air injection, ARC R&M 3627, 1970.Google Scholar
3. Squire, L.C. and Savill, A.M. Drag measurements on planar riblet surfaces at high subsonic speeds. Applied Scientific Research, 1989, 46, pp 229–243.Google Scholar
4. Squire, L.C. and Nasser, S.H. Cavity drag at transonic speeds. Aeronaut J, 1993, 97, (967), pp 247–256.Google Scholar
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7. Squire, L.C. and Savill, A.M. Experimental results on aerofoil manipulators at high subsonic speeds. Paper in preparation.Google Scholar