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RESEARCH PAPERS

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

[+] Author and Article Information
R. A. Delaney

Analytical Mechanics, Detroit Diesel Allison Division, General Motors Corporation, Indianapolis, Ind. 46206

J. Eng. Power 105(2), 272-279 (Apr 01, 1983) (8 pages) doi:10.1115/1.3227412 History: Received December 14, 1981; Online September 28, 2009

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 © 1983 by ASME
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