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Film Cooling Effectiveness and Heat Transfer Coefficients for Slot Injection at High Blowing Ratios FREE

[+] Author Affiliations
G. Bittlinger, A. Schulz, S. Wittig

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

Paper No. 94-GT-182, pp. V004T09A032; 9 pages
doi:10.1115/94-GT-182
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

In continuation of earlier studies comparing heat transfer results for flow over a backward facing step and a jet in crossflow, a comprehensive data base for slot film cooling is presented. Specifically, heat transfer measurements adjacent to the injection slot for high blowing ratios were of interest. The heat transfer distributions for these conditions are of increasing significance in modern combustor liners. The new data base includes velocity and temperature profile measurements, adiabatic wall temperature and heat transfer measurements and will serve as a data base for testing newly developed numerical models.

Copyright © 1994 by ASME
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