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The Drag of Ducted Bodies with Annular or Side Intakes in Supersonic Flow*

Published online by Cambridge University Press:  07 June 2016

H. Portnoy
H. Portnoy*
Affiliation:
Royal Technical College, Salford
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Extract

A slender ducted body of arbitrary cross section is studied. This possesses an annular, side or “scoop” type of intake at some streamwise station. The parts of the body forward of and behind the intake are both permitted to have discontinuities of longitudinal profile slope at streamwise stations widely separated both from each other and from the intake. The external flow is taken to be entirely supersonic and it is assumed that the intake lip is sharp and that there is no “spill over” due to choking of the internal flow, which must be supersonic for a short distance inside the duct.

Type
Research Article
Information
Aeronautical Quarterly , Volume 10 , Issue 3 , August 1959 , pp. 283 - 295
Copyright
Copyright © Royal Aeronautical Society. 1959

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Footnotes

*

This paper is extracted from a thesis for a Ph.D. degree in the University of London, written while the author was at the Imperial College of Science and Technology.

References

1. Lighthill, M. J. Supersonic Flow past Slender Bodies of Revolution, the Slope of whose Meridian Section is Discontinuous. Quarterly Journal of Mechanics and Applied Mathematics, Vol. I, March 1948.Google Scholar
2. Fraenkel, L. E. Supersonic Flow Past Slender Bodies of Elliptic Cross-Section. R. & M. 2954, 1952.Google Scholar
3. Portnoy, H. The Forces on the General Slender Body of Elliptic Cross-Section in Supersonic Flow. Journal of the Aeronautical Sciences, Readers' Forum, Vol. 23, January 1956.Google Scholar
4. Fraenkel, L. E. and Portnoy, H. Supersonic Flow past Slender Bodies with Discontinuous Profile Slope. The Aeronautical Quarterly, Vol. VI, May 1955.Google Scholar
5. Ward, G. N. The Supersonic Flow past a Slender Ducted Body of Revolution with an Annular Intake. The Aeronautical Quarterly, Vol. I, February 1950.Google Scholar