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The Aerodynamic Forces Associated with Harmonic Motion of Slender Wings on Stationary Bodies of Revolution

Published online by Cambridge University Press:  07 June 2016

R. D. Milne
R. D. Milne*
Affiliation:
Queen Mary College, University of London
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Summary

The slender-body theory is applied to the determination of the unsteady aerodynamic forces on slender wing-body combinations when the body is stationary and the wing is deforming harmonically. The uniform body is circular in cross section, the wings are placed symmetrically and the wing deformation mode is necessarily symmetrical about a vertical plane through the body axis. The frequency parameter is restricted to that range for which the “cross-flow” potential equation is Laplace's equation. The case of an allmoving slender control surface on a body is treated in detail and numerical results are given for the forces and moments on body and control surface when the control plan form is triangular: the presence of a gap is neglected.

Type
Research Article
Information
Aeronautical Quarterly , Volume 11 , Issue 4 , November 1960 , pp. 355 - 370
Copyright
Copyright © Royal Aeronautical Society. 1960

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References

1. Milne, R. D. The Unsteady Aerodynamic Forces on Deforming, Low Aspect Ratio Wings and Slender Wing-Body Combinations. College of Aeronautics Report No. 94, July 1955.Google Scholar
2. Miles, J. W. The Potential Theory of Unsteady Supersonic Flow, pp. 8 and 160. Cambridge University Press, 1959.Google Scholar
3. Mirels, H. Gap Effect on Slender Wing-Body Interference. Journal of the Aeronautical Sciences, Vol. 20, No. 8, Readers’ Forum, p. 574. August 1953.Google Scholar
4. Mirels, H. Lift Effectiveness of Slender Wings on Cylindrical Bodies. Journal of the Aeronautical Sciences, Vol. 20, No. 7, Readers’ Forum, p. 504. July 1953.Google Scholar
5. Lamb, H. Hydrodynamics. Sixth edition, p. 46. Cambridge University Press, 1952.Google Scholar