Some notes on unsteady lifting-line theory

Author:

Holten Th. Van

Abstract

A higher-order lifting-line theory for a wing in unsteady motion is discussed. Apart from the addition of higher-order terms, it also differs from the theory derived by James (1975) in its emphasis on ‘physical’ interpretations. This emphasis has made it possible to shed some new light on Prandtl's classical lifting-line theory, as well as on Weissinger's 3/4-chord theory.

Publisher

Cambridge University Press (CUP)

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Reference9 articles.

1. Van Holten, Th. 1974 Computation of aerodynamic loads on helicopter rotorblades in forward flight, using the method of the acceleration potential. Proc. 9th Congr. Int. Counc. Aero. Sci., Icas, Haifa, Israel (ed. Robert R. Dexter & J. Singer ), paper 74-54.Jerusalem:Weizmann Science Press of Israel.

2. Fung, Y. C. 1968 An Introduction to the Theory of Aeroelasticity .Dover.

3. Van Holten, Th. 1976b On the validity of lifting line concepts in rotor analysis. 1st European Rotorcraft Powered Lift Aircraft Forum, Southampton, preprint 20. (To be published in Vertica,Int. J. Rotorcraft Powered Lift Aircraft, vol.1, (1976) no. 3.)

4. Lagerstrom, P. A. (ed.)1967 Fluid Mechanics and Singular Perturbations, A Collection of Papers by Saul Kaplun .Academic.

5. Moon, P. & Spencer, D. E. 1961 Field Theory for Engineers .Van Nostrand.

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