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The Three-Dimensional Turbulent Boundary Layer on an Infinite Yawed Wing

Published online by Cambridge University Press:  07 June 2016

J. F. Nash  and
R. R. Tseng
J. F. Nash
Affiliation:
Lockheed Georgia Research Laboratory, USA
R. R. Tseng
Affiliation:
Lockheed Georgia Research Laboratory, USA
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Summary

This paper presents the results of some calculations of the incompressible turbulent boundary layer on an infinite yawed wing. A discussion is made of the effects of increasing lift coefficient, and increasing Reynolds number, on the displacement thickness, and on the magnitude and direction of the skin friction. The effects of the state of the boundary layer (laminar or turbulent) along the attachment line are also considered.

A study is made to determine whether the behaviour of the boundary layer can adequately be predicted by a two-dimensional calculation. It is concluded that there is no simple way to do this (as is provided, in the laminar case, by the principle of independence). However, with some modification, a two-dimensional calculation can be made to give an acceptable numerical representation of the chordwise components of the flow.

Type
Research Article
Information
Aeronautical Quarterly , Volume 22 , Issue 4 , November 1971 , pp. 346 - 362
Copyright
Copyright © Royal Aeronautical Society. 1971

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References

1. Cooke, J. C. The drag of infinite swept wings, with an addendum. ARC Current Paper 1040, 1969.Google Scholar
2. Abbott, I. H. and von Doenhoff, A. E. Theory of wing sections. McGraw-Hill, New York, 1949.Google Scholar
3. Nash, J. F. An explicit scheme for the calculation of three-dimensional turbulent boundary layers. (To be published).Google Scholar
4. Nash, J. F. The calculation of three-dimensional turbulent boundary layers in incompressible flow. Journal of Fluid Mechanics, Vol. 37, Part 4, p. 625, July 1969.Google Scholar
5. Cumpsty, N. A. and Head, M. R. The calculation of three-dimensional turbulent boundary layers. Part (ii): Attachment-line flow on an infinite swept wing. Aeronautical Quarterly, Vol. XVIII, Part 2, p. 150, May 1967.Google Scholar
6. Rott, N. and Crabtree, L. F. Simplified laminar boundary layer calculations for bodies of revolution and for yawed wings. Journal of the Aeronautical Sciences, Vol. 19, p. 553, 1952.Google Scholar
7. Nash, J. F. and Bradshaw, P. The magnification of roughness drag by pressure gradients, Journal of the Royal Aeronautical Society. Vol. 71, p. 44, Jan. 1967.CrossRefGoogle Scholar
8. Lighthill, M. J. On displacement thickness. Journal of Fluid Mechanics, Vol. 4, Part 4, p. 383, Aug. 1958.Google Scholar
9. Cumpsty, N. A. and Head, M. R. The calculation of three-dimensional turbulent boundary layers. Part (i): Flow over the rear of an infinite swept wing. Aeronautical Quarterly. Vol. XVIII, Part 1, p. 55, Feb. 1967.CrossRefGoogle Scholar
10. Smith, P. D. An investigation into three-dimensional boundary layers. PhD Thesis, London University, Nov. 1965.Google Scholar