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A Numerical Study of a Stably-Stratified Mixing Layer

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Book cover Turbulent Shear Flows 6

Abstract

The dynamics of a stably-stratified unstable mixing layer are studied using three-dimensional direct numerical simulations. The effects of the stable stratification on the two- and three-dimensional instabilities, on the vorticity dynamics, and on the flow energetics are analyzed. In particular, the behavior of the flow in the later stages of decay, when the effects of stratification have become dominant, are investigated. It is found useful to then interpret the flow in terms of propagating (internal wave) and nonpropagating components, the latter associated with the potential vorticity of the flow.

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Author information

Authors and Affiliations

  1. University of Washington, Seattle, WA, USA

    Chantal Staquet & James J. Riley

Authors
  1. Chantal Staquet
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  2. James J. Riley
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Editor information

Editors and Affiliations

  1. Centre National de Recherches Météorologiques, 42, Avenue Coriolis, 31057, Toulouse Cedex, France

    Jean-Claude André

  2. O.N.E.R.A./C.E.R.T., 2, Avenue Edouard Belin, 31055, Toulouse Cedex, France

    Jean Cousteix

  3. Lehrstuhl für Strömungsmechanik, Universität Erlangen-Nürnberg, Egerlandstraße 13, 8520, Erlangen, Fed. Rep. of Germany

    Franz Durst

  4. Department of Mechanical Engineering, University of Manchester, Institute of Science and Technology, PO Box 88, Manchester, M60 1QD, England

    Brian E. Launder

  5. Mechanical Engineering Department, The Pennsylvania State University, University Park, PA, 16802, USA

    Frank W. Schmidt

  6. Department of Mechanical Engineering, Imperial College of Science and Technology, Exhibition Road, London, SW7 2BX, England

    James H. Whitelaw

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© 1989 Springer-Verlag Berlin Heidelberg

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Staquet, C., Riley, J.J. (1989). A Numerical Study of a Stably-Stratified Mixing Layer. In: André, JC., Cousteix, J., Durst, F., Launder, B.E., Schmidt, F.W., Whitelaw, J.H. (eds) Turbulent Shear Flows 6. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-73948-4_30

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  • DOI: https://doi.org/10.1007/978-3-642-73948-4_30

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-73950-7

  • Online ISBN: 978-3-642-73948-4

  • eBook Packages: Springer Book Archive

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