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Parametric Study of a Turbine Blade Cascade Using a New Parametric Flow Solver Turb’Opty

[+] Author Affiliations
S. Moreau

Valeo Motors and Actuators, La Verrière, France

S. Aubert, M. N’Diaye

Fluorem SAS, Ecully, France

P. Ferrand, J. Tournier

Ecole Centrale de Lyon/Université Claude Bernard, Ecully, France

M. Rochette

CADOE, Villeurbanne, France

Paper No. FEDSM2002-31306, pp. 171-180; 10 pages
  • ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
  • Volume 1: Fora, Parts A and B
  • Montreal, Quebec, Canada, July 14–18, 2002
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3615-0 | eISBN: 0-7918-3600-2
  • Copyright © 2002 by ASME


A new parameterized CFD solver Turb’Opty™ has been developed based on a Taylor series expansion to high order derivatives of the solutions of the discretized Navier-Stokes equations. The method has been successfully applied to the laminar compressible flow field of the T106 turbine blade cascade. Comparisons with the classical CFD results have validated the accuracy of the parameterized solutions obtained by a simple polynomial reconstruction around a reference solution. The CPU efficiency has been emphasized by quickly computing the performance maps (power and losses) of this blade cascade. Wide industrial perspectives of turbomachinery global optimization are finally demonstrated by coupling this method with a simple genetic algorithm.

Copyright © 2002 by ASME



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