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Some Exploratory Three-Dimensional Jet-Flap Experiments

Published online by Cambridge University Press:  07 June 2016

J. Williams  and
A. J. Alexander
J. Williams
Affiliation:
National Physical Laboratory, Teddington
A. J. Alexander
Affiliation:
National Physical Laboratory, Teddington
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Summary

This paper describes a first attempt to establish the order of magnitude of finite aspect ratio effects for jet-flap wings. Lift, pitching moment, and drag results are presented from pressure-plotting measurements on a jet-flap model of aspect ratio slightly less than three. These experiments were complementary to two-dimensional tests carried out at the National Gas Turbine Establishment.

Type
Research Article
Information
Aeronautical Quarterly , Volume 8 , Issue 1 , February 1957 , pp. 21 - 30
Copyright
Copyright © Royal Aeronautical Society. 1957

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References

1. Davidson, I. M. The Jet Flap. Journal of the Royal Aeronautical Society, January 1956.Google Scholar
2. Stratford, B. S. Early Thoughts on the Jet Flap. The Aeronautical Quarterly, Vol. VII, pp. 45–59, February 1956.Google Scholar
3. Dimmock, N. A. An Experimental Introduction to the Jet Flap. National Gas Turbine Establishment Report R.175, July 1955. (To be published in the A.R.C. Current Paper Series.)Google Scholar
4. Williams, J. and Alexander, A. J. Three-Dimensional Wind-Tunnel Tests of a 30° Jet Flap Model. A.R.C. Current Paper 304, November 1955.Google Scholar
5. Mangler, W. Die Auftriebsverteilung am Tragflügel mit Endscheiben. Luftfahrtforschung, Vol. 14, p. 564, 1937.Google Scholar