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A Numerical Method for Calculating the Trailing Vortex System behind a Swept Wing at Low Speed

Published online by Cambridge University Press:  04 July 2016

D. J. Butter
Affiliation:
Department of Aeronautical Engineering, Queen Mary College, University of London
G. J. Hancock
Affiliation:
Department of Aeronautical Engineering, Queen Mary College, University of London

Extract

A wing of finite span in flight generates trailing vorticity which “rolls up” into two “discrete” vortices. During the rolling up process the trailing vorticity is displaced vertically downward (assuming that the aircraft is in horizontal flight) under the influence of the wing circulation and the self-induced downwash velocities. In this note a method is presented for the prediction of the spatial distribution of the trailing vorticity during the rolling up process, thus giving the overall downwash field behind the wing.

Information

Type
Technical Notes
Copyright
Copyright © Royal Aeronautical Society 1971 

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