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Transition Modeling Effects on Turbine Rotor Blade Heat Transfer Predictions FREE

[+] Author Affiliations
Ali A. Ameri

University of Kansas Center for Research Inc., Lawrence, KS

Andrea Arnone

University of Florence, Florence, Italy

Paper No. 94-GT-022, pp. V004T09A007; 9 pages
doi:10.1115/94-GT-022
From:
  • ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration
  • The Hague, Netherlands, June 13–16, 1994
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7886-6
  • Copyright © 1994 by ASME

abstract

The effect of transition modeling on the heat transfer predictions from rotating turbine blades was investigated. Three-dimensional computations using a Reynolds-averaged Navier-Stokes code were performed. The code utilized the Baldwin-Lomax algebraic turbulence model which was supplemented with a simple algebraic model for transition. The heat transfer results obtained on the blade surface and the hub end wall were compared with experimental data for two Reynolds numbers and their corresponding rotational speeds. The prediction of heat transfer on the blade surfaces was found to improve with the inclusion of the transition length model and wake induced transition effects over the simple abrupt transition model.

Copyright © 1994 by ASME
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