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Laminar Boundary Layer Interaction With an Unsteady Passing Wake PUBLIC ACCESS

[+] Author Affiliations
D. E. Paxson, R. E. Mayle

Rensselaer Polytechnic Institute, Troy, NY

Paper No. 90-GT-120, pp. V004T09A022; 9 pages
doi:10.1115/90-GT-120
From:
  • 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

abstract

An investigation was conducted to study the unsteady effects of a moving wake as it passes over a laminar boundary layer in a stagnation region. Arguments are presented which show that in this region, the wake-induced unsteadiness may be treated, for the most part, as an inviscid, unsteady freestream which impresses itself on the boundary layer flow. As a result, the boundary layer equations remain valid and, for relatively small oscillations, a solution to the equations may be obtained using standard perturbation techniques. A related experiment is then described and the results are examined in light of this analytical approach.

Copyright © 1990 by ASME
This article is only available in the PDF format.

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