Prediction of Tip-Leakage Losses in Axial Turbines PUBLIC ACCESS

[+] Author Affiliations
M. I. Yaras, S. A. Sjolander

Carleton University, Ottawa, ON, Canada

Paper No. 90-GT-154, pp. V001T01A050; 10 pages
  • ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 1: Turbomachinery
  • Brussels, Belgium, June 11–14, 1990
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7904-7
  • Copyright © 1990 by ASME


Existing methods for predicting the tip-leakage losses in turbomachinery are based on a variety assumptions, many of which have not been fully verified experimentally. Recently, several detailed experimental studies in turbine cascades have helped to clarify the physics of the flow and provide data on the evolution of the losses. The paper examines the assumptions underlying the prediction methods in the light of these data. An improved model for the losses is developed, using one of the existing models as the starting point.

Copyright © 1990 by ASME
Topics: Turbines , Leakage
This article is only available in the PDF format.



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