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RESEARCH PAPERS

A Mixed-Flow Cascade Passage Design Procedure Based on a Power Series Expansion

[+] Author and Article Information
R. A. Novak, G. Haymann-Haber

General Electric Company, Aircraft Engine Group, Lynn, Mass. 01910

J. Eng. Power 105(2), 231-242 (Apr 01, 1983) (12 pages) doi:10.1115/1.3227407 History: Received December 07, 1981; Online September 28, 2009

Abstract

Flow passage design and analysis procedures employing a TAYLOR series expansion across the flow field were first suggested as far back as 1908. With very few exceptions the early work addressed only the problem of symmetrical convergent-divergent passages. A generalization and an extension of the approach permits it to be used for the design of arbitrary cascade passages in subsonic, supersonic, or mixed-flow regimes. The method will give fast, realistic solutions in situations where shock-free flow is meaningful, and where the cascade gap-chord ratio is not excessive. It assumes inviscid, irrotational flow and employs a fourth-order TAYLOR series expansion across the cascade passage. Numerous examples are given, with comparisons with experimental data and other analytic solutions.

Copyright © 1983 by ASME
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