An Accurate and Efficient Euler Solver for Three-Dimensional Turbomachinery Flows

[+] Author and Article Information
C. F. Shieh, R. A. Delaney

Allison Gas Turbine Division, General Motors Corporation, Indianapolis, IN 46206

J. Turbomach 109(3), 346-353 (Jul 01, 1987) (8 pages) doi:10.1115/1.3262112 History: Received March 13, 1987; Online November 09, 2009


Accurate and efficient Euler equation numerical solution techniques are presented for analysis of three-dimensional turbomachinery flows. These techniques include an efficient explicit hopscotch numerical scheme for solution of the three-dimensional time-dependent Euler equations and an O-type body-conforming grid system. The hopscotch scheme is applied to the conservative form of the Euler equations written in general curvilinear coordinates. The grid is constructed by stacking from hub to shroud two-dimensional O-type grids on equally spaced surfaces of revolution. Numerical solution results for two turbine cascades are presented and compared with experimental data to demonstrate the accuracy of the analysis method.

Copyright © 1987 by ASME
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