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Mathematical Formulation of Blade Surfaces in Turbomachinery: Part I — Theoretical Surface Formulations PUBLIC ACCESS

[+] Author Affiliations
M. Rautenberg, A. Engeda

University of Hannover, Hannover, F. R. of Germany

W. Wittekindt

KSB, Bremen, F. R. of Germany

Paper No. 89-GT-160, pp. V001T01A065; 7 pages
doi:10.1115/89-GT-160
From:
  • ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 1: Turbomachinery
  • Toronto, Ontario, Canada, June 4–8, 1989
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7913-9
  • Copyright © 1989 by ASME

abstract

This paper justifies recent trends in the mathematical definition of blade surfaces of impellers and rotors. The authors introduce a simple and efficient surface definition method, which is highly suited for numerical manufacture. Examples of a centrifugal compressor impeller, a mixed flow pump impeller and a gas turbine blade manufactured using the method are also presented.

In this first part the theoretical approach and the mathematical derivations of the authors STRAIGHT-LINE-SURFACE structure method is introduced.

Copyright © 1989 by ASME
This article is only available in the PDF format.

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