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The structure of jets from notched nozzles

Published online by Cambridge University Press:  29 March 2006

S. S. Pannu  and
N. H. Johannesen
S. S. Pannu
Affiliation:
Department of the Mechanics of Fluids, University of Manchester, England
N. H. Johannesen
Affiliation:
Department of the Mechanics of Fluids, University of Manchester, England
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Abstract

Jets from notched nozzles are investigated by schlieren photography and pressure traverses. It is demonstrated that the dominant feature of the flow which determines the structure far downstream is the trailing vortices shed from the swept edges of the notches.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 74 , Issue 3 , 6 April 1976 , pp. 515 - 528
Copyright
© 1976 Cambridge University Press

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References

Crighton, D. G. 1975 Basic principles of aerodynamic noise generation Prog. Aerospace Sci. 16, 31–96.Google Scholar
Hawkins, R. & Hoch, R. 1971 Studies into Concorde's engine noise emission and reduction. 10th Int. Aero. Cong., Paris.Google Scholar