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Time-Marching Analysis of Steady Transonic Flow in Turbomachinery Cascades Using the Hopscotch Method PUBLIC ACCESS

[+] Author Affiliations
R. A. Delaney

General Motors Corporation, Indianapolis, IN

Paper No. 82-GT-152, pp. V001T01A059; 9 pages
doi:10.1115/82-GT-152
From:
  • ASME 1982 International Gas Turbine Conference and Exhibit
  • Volume 1: Turbomachinery
  • London, England, April 18–22, 1982
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7956-6
  • Copyright © 1982 by ASME

abstract

A rapid, time-marching, numerical scheme based on the hopscotch method is presented for solution of steady, two-dimensional, transonic flow in turbomachinery cascades. The scheme is applied to the strong-conservation form of the unsteady Euler equations written in arbitrary curvilinear coordinates. Cascade solutions are obtained on an orthogonal, body-centered coordinate system. Numerical solution results for two turbine cascades are presented and compared with experimental data to demonstrate the accuracy and computational efficiency of the analysis method.

Copyright © 1982 by ASME
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