More on the Turbulent-Strip Theory for Wake-Induced Transition PUBLIC ACCESS

[+] Author Affiliations
R. E. Mayle

Rensselaer Polytechnic Institute, Troy, NY

K. Dullenkopf

Universität Karlsruhe (T.H.), Karlsruhe, West Germany

Paper No. 90-GT-137, pp. V004T09A024; 5 pages
  • ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration
  • Brussels, Belgium, June 11–14, 1990
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7907-8
  • Copyright © 1990 by ASME


A theory for transition from laminar to turbulent flow with an unsteady, periodic passing of turbulent wakes in the free stream has recently been presented by the authors. The theory considers a time-averaged transitional flow caused by the formation and propagation of turbulent strips along the surface. To apply the theory, however, both the origin and a quantity related to the production rate of these turbulent strips must be known. In this paper, after a brief review of the theory, a dimensional analysis of the problem is presented and data from experiments re-examined in light of the result. From this, an expression for the time-averaged intermittency is obtained which may be used to calculate the time-averaged distributions of various boundary layer quantities for wake-induced transitional flow.

Copyright © 1990 by ASME
Topics: Turbulence , Wakes , Strips
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