Modifications of the Ives-Liutermoza Conformal-Mapping Procedure for Turbomachinery Cascades FREE

[+] Author Affiliations
William J. Rae

Arvin/Calspan Advanced Technology Center, Buffalo, NY

Paper No. 83-GT-116, pp. V001T01A041; 4 pages
  • ASME 1983 International Gas Turbine Conference and Exhibit
  • Volume 1: Turbomachinery
  • Phoenix, Arizona, USA, March 27–31, 1983
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7951-1
  • Copyright © 1983 by ASME


A conformal mapping technique, applicable to compressor and turbine cascades, is presented. The technique can be used to map the field surrounding the cascade into a rectangle, in which the image of the blade surface lies along one side of the rectangle, the image of the trailing edge is at two corners of the rectangle and the image of downstream infinity lies at the other two corners. These features make it possible to use the mapping in several contemporary flowfield-analysis codes, which carry out their calculations in such a rectangular plane. The mapping produces an O-type grid in the cascade plane.

Copyright © 1983 by ASME
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