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Prediction of the Aerodynamic and Thermal Environment in Turbines FREE

[+] Author Affiliations
Lisa W. Griffin

Marshall Space Flight Center, AL

Kelly A. Belford

Pratt and Whitney, East Hartford, CT

Paper No. 90-GT-227, pp. V001T01A074; 11 pages
doi:10.1115/90-GT-227
From:
  • 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

abstract

A numerical study of the steady, viscous flow prediction capabilities of the three-dimensional turbine stage code R0T0R3 is presented. Computations were performed with RAI3DC, a cascade version of R0T0R3 capable of being run in a planar or annular mode. Computed results are compared with experimental data obtained for Hodson’s cascade, Kopper’s cascade, and United Technologies Research Center’s Large Scale Rotating Rig (LSRR) first-stage stator. The code’s predictive capability is assessed in terms of the accuracy of predicted airfoil loadings, performance (including secondary flows in the LSRR case), boundary layers, and heat transfer. A grid refinement study was conducted in the LSRR case in an effort to more accurately model the boundary layers on the airfoil and endwall surfaces. The effects of the inlet total pressure profile in secondary flow prediction were also assessed.

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

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