Comparison of Some Analytical and Experimental Correlations of Axial-Flow Turbine Efficiency PUBLIC ACCESS

[+] Author Affiliations
Charles A. Amann, David C. Sheridan

General Motors Corporation, Warren, MI

Paper No. 67-WA/GT-6, pp. V001T01A003; 11 pages
  • ASME 1967 Winter Annual Meeting: GT Papers
  • ASME 1967 Winter Annual Meeting: GT Papers
  • Pittsburgh, Pennsylvania, USA, November 12–17, 1967
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-8006-7
  • Copyright © 1967 by ASME


The first phase of the axial-flow turbine design problem involves selection of a velocity diagram. This choice exerts an important influence on turbine efficiency. Design charts relating turbine efficiency to the velocity diagram, through a work coefficient and a flow coefficient, are therefore useful in preliminary design. In this study such design charts are constructed using two established analytical methods. The results are compared with a published correlation based on experimental data. Simple constructional methods are indicated whereby these charts can be used to obtain preliminary estimates of rotor blade stress and relative temperature, two factors influencing blade life.

Copyright © 1967 by ASME
Topics: Turbines , Axial flow
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