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Note on the stability of a boundary layer on a concave wall with suction

Published online by Cambridge University Press:  29 March 2006

Ryoji Kobayashi
Ryoji Kobayashi
Affiliation:
Institute of High Speed Mechanics, Thoku University, Sendai, Japan
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Abstract

The purpose of this paper is to consider theoretically how the homogeneous suction from a slightly concave permeable wall will affect the instability of the laminar boundary layer to the onset of longitudinal vortices. The curves of neutral stability and of several growth factors of the vortices are given. The critical values of the Görtler parameter Gc, and the wavenumber σc, based on the momentum thickness of the boundary layer, are found: Gc = 1·17 and σc = 0·22.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 52 , Issue 2 , 28 March 1972 , pp. 269 - 272
Copyright
© 1972 Cambridge University Press

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References

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