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A Secondary Flow Calculation Method Based on the Meridional Vorticity Transport Equation FREE

[+] Author Affiliations
J. Kaldellis, D. Douvikas, K. D. Papailiou

Athens National Technical University, Athens, Greece

Paper No. 88-GT-260, pp. V001T01A093; 14 pages
doi:10.1115/88-GT-260
From:
  • ASME 1988 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 1: Turbomachinery
  • Amsterdam, The Netherlands, June 6–9, 1988
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7918-4
  • Copyright © 1988 by ASME

abstract

A secondary flow calculation method is presented in this work, which makes use of the meridional vorticity transport equation. Circumferentially mean flow quantities are calculated using an inverse procedure.

The method makes use of the mean kinetic energy integral equation and calculates simultaneously hub and tip secondary flow development. Emphasis is placed upon the use of a coherent two-zone model and particular care is taken in order to describe adequately the flow inside an unbounded (external), semi-bounded (annulus) and fully-bounded (bladed) space. The velocity field, the losses and the defect forces receive particular attention.

Comparison between theoretical and experimental results is presented.

Copyright © 1988 by ASME
This article is only available in the PDF format.

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