Trapped vortices and a favourable pressure gradient

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.

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Bibliographic Details
Published in:Journal of fluid mechanics 2003-05, Vol.482, p.235-255, Article S0022112003004026
Main Authors: CHERNYSHENKO, S. I., GALLETTI, B., IOLLO, A., ZANNETTI, LUCA
Format: Article
Language:English
Subjects:
Aerodynamics
Applied fluid mechanics
Exact sciences and technology
Flow control
Fluid dynamics
Fluid mechanics
Fundamental areas of phenomenology (including applications)
Mechanical engineering
Physics
Reynolds number
Studies
Vortices
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Description
Summary: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.
ISSN:0022-1120
1469-7645
DOI:10.1017/S0022112003004026