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Trapped vortices and a favourable pressure gradient

Published online by Cambridge University Press:  13 May 2003

S. I. CHERNYSHENKO ,
B. GALLETTI ,
A. IOLLO  and
LUCA ZANNETTI
S. I. CHERNYSHENKO
Affiliation:
School of Engineering Sciences, University of Southampton, Southampton, SO17 1BJ, UK
B. GALLETTI
Affiliation:
Dipartimento di Ingegneria Aeronautica e Spaziale, Politecnico di Torino, Torino, Italy
A. IOLLO
Affiliation:
Dipartimento di Ingegneria Aeronautica e Spaziale, Politecnico di Torino, Torino, Italy
LUCA ZANNETTI
Affiliation:
Dipartimento di Ingegneria Aeronautica e Spaziale, Politecnico di Torino, Torino, Italy
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Abstract

It is shown that there exist bodies such that in two-dimensional steady inviscid incompressible flow the pressure gradient is favourable over the entire surface of the body, and the lift is non-zero, if the body is immersed in a uniform stream and there are also two trapped point vortices.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 482 , 10 May 2003 , pp. 235 - 255
Copyright
© 2003 Cambridge University Press

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