Computation of Potential Flow on S2 Stream Surface for a Transonic Axial-Flow Compressor Rotor

[+] Author and Article Information
Pan-Ming Lü, Chung-Hua Wu

Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, China

J. Eng. Gas Turbines Power 107(2), 323-328 (Apr 01, 1985) (6 pages) doi:10.1115/1.3239722 History: Received December 19, 1983; Online October 15, 2009


A set of conservative full potential function equations governing the fluid flow along a given S2 streamsurface in a transonic axial compressor rotor was obtained. By the use of artificial density and a potential function/density iteration, this set of equations can be solved, and the passage shock on the S2 streamsurface can be captured. A computer program for this analysis problem has been developed and used to compute the flow field along a mean S2 streamsurface in the DFVLR transonic axial compressor rotor. A comparison of computed results with DFVLR L2F measurement at 100 percent design speed shows fairly good agreement.

Copyright © 1985 by ASME
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