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Geometric Parametric Study of a Fan Blade Cascade Using the New Parametric Flow Solver Turb’Opty

[+] Author Affiliations
S. Moreau

Valeo Motors and Actuators, La Verrière, France

S. Aubert, G. Grondin, D. Casalino

Fluorem SAS, Ecully, France

Paper No. HT-FED2004-56831, pp. 1293-1298; 6 pages
doi:10.1115/HT-FED2004-56831
From:
  • ASME 2004 Heat Transfer/Fluids Engineering Summer Conference
  • Volume 2, Parts A and B
  • Charlotte, North Carolina, USA, July 11–15, 2004
  • Conference Sponsors: Heat Transfer Division and Fluids Engineering Division
  • ISBN: 0-7918-4691-1 | eISBN: 0-7918-3740-8
  • Copyright © 2004 by ASME

abstract

The newly developed parameterized CFD solver Turb’Opty™, based on a Taylor series expansion to high order derivatives of the solutions of the discretized Navier-Stokes equations, has been successfully extended to the geometric parameterization of an engine cooling fan blade cascade. It involves the development of a pre-processor Turb’Mesh™ that smoothly parameterizes the reference grid for the selected three parameters: the stagger angle, the pitch and the chord length. Comparisons with direct Turb’Flow™ CFD results have validated the accuracy of the parameterized solutions obtained by a simple polynomial reconstruction around a reference solution with respect to the three geometric parameters for a first order expansion with respect to each parameter for a variable turbulence. Cross correlation between the pitch and the chord variations have also validated the consistency of the parameterization.

Copyright © 2004 by ASME

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