Inviscid Cascade Flow Calculations Using a Multigrid Method PUBLIC ACCESS

[+] Author Affiliations
A. A. Arnone, S. S. Stecco

Università di Firenze, Firenze, Italy

Paper No. 89-GT-22, pp. V001T01A011; 11 pages
  • 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


An accurate reliable and efficient computer code for inviscid cascade flow calculations has been developed and applied on sheared H-type grids. The integration in time is based on Jameson’s explicit Runge-Kutta scheme. Numerical efficiency is obtained through local time stepping, implicit residual smoothing and a full multigrid strategy. An additional wedge is added to blades with rounded trailing edges and care is taken to correctly capture the shock system when the outlet flow is supersonic. Comparison with experiments shows that the method can be applied to turbomachinery, yielding good blade-to-blade predictions.

Copyright © 1989 by ASME
Topics: Flow (Dynamics)
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