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Unsteady Turbulent Boundary Layers

  • Herrmann Schlichting
  • Klaus Gersten

Abstract

Turbulent flows are by definition unsteady, and so we need to explain what is meant by “unsteady turbulent flows”. Up until now, turbulent flows were decomposed into the flow obtained after time averaging (which was therefore time independent), and the fluctuations which varied in time. Now, the “mean” motion is also dependent on the time. It is generally made up of a time independent part and a time dependent ordered part.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • Herrmann Schlichting
    • 1
  • Klaus Gersten
    • 1
  1. 1.Institut für Thermo- und FluidmechanikRuhr-Universität BochumBochumGermany

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