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A Generalized Numerical Method for Bluff Body and Stalling Aerofoil Flow PUBLIC ACCESS

[+] Author Affiliations
R. I. Lewis, D. T. C. Porthouse

University of Newcastle Upon Tyne, England

Paper No. 82-GT-70, pp. V001T01A028; 9 pages
doi:10.1115/82-GT-70
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

A numerical method has been developed for predicting the two-dimensional incompressible separated flow from bluff bodies and aerofoils with preliminary extension to cascades. The paper will present a brief outline of the theoretical method accompanied by illustrations. These include predictions of the vortex streets downstream of circular cylinders and wedge shaped bodies, the stalling behavior of an aerofoil and initial attempts to calculate the vortex motion of a stalling cascade. The method makes use of the surface vorticity technique extended to include vorticity shedding and convection with the mainstream.

Copyright © 1982 by ASME
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