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Asymptotic Theory of the Stationary Flow Around Bluff Bodies

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Separated Flows and Jets
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Summary

The self-consistent asymptotic theory is given for the incompressible two-dimensional stationary separated flow past a bluff body at large Reynolds number Re. The length and width of the eddy are shown to be of order Re, and the drag coefficient of order 1/Re. On the body scale the flow tends to the Kirchhoff flow with velocity of order\( 1/\sqrt {Re} \) on free streamline. The recirculating boundary layer around the eddy with constant vorticity plays an important role in the theory. The theoretical predictions do not contradict recent numerical results.

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References

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© 1991 Springer-Verlag, Berlin Heidelberg

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Chernyshenko, S.I. (1991). Asymptotic Theory of the Stationary Flow Around Bluff Bodies. In: Kozlov, V.V., Dovgal, A.V. (eds) Separated Flows and Jets. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84447-8_14

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  • DOI: https://doi.org/10.1007/978-3-642-84447-8_14

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-84449-2

  • Online ISBN: 978-3-642-84447-8

  • eBook Packages: Springer Book Archive

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