A Direct Optimization Procedure for Spanwise Work Distribution in Non-Free Vortex Turbine Stages PUBLIC ACCESS

[+] Author Affiliations
Rhonald M. Jenkins

Auburn University, AL

Paper No. 91-GT-204, pp. V001T01A075; 8 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 1: Turbomachinery
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7898-9
  • Copyright © 1991 by ASME


This paper describes a technique for finding the radial distributions of flow angle and stage specific work which yield, subject to user-specified constraints, the maximum value of integrated adiabatic efficiency for a turbine stage. The optimization procedure is direct in that the distributions are specified as polynomials. A pattern search is employed to determine the values of the polynomial coefficients which yield the desired conditions. The overall technique is intended to supplement the preliminary phase of axial flow gas turbine design.

Copyright © 1991 by ASME
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