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

[+] Author Affiliations
R. A. Novak, G. Haymann-Haber

General Electric Company, Lynn, MA

Paper No. 82-GT-121, pp. V001T01A047; 15 pages
doi:10.1115/82-GT-121
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

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-freeflow 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 © 1982 by ASME
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