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TECHNICAL PAPERS

Numerical Optimization of Turbomachinery Bladings

[+] Author and Article Information
Stéphane Burguburu

ONERA–Applied Aerodynamics Department, 29, avenue de la division Leclerc, BP 72, 92 322 Cha⁁tillon, Francee-mail: stephane.burguburu@onera.fr

Clement Toussaint

ONERA–Systems and Flight Dynamics Department, 2, avenue E. Belin, 31 055 Toulouse, Francee-mail: clement.toussaint@onera.fr

Christophe Bonhomme

CNES–Propulsion Division, Rond Point de l’Espace, 91003 Evry Cedex, Francee-mail: christophe.bonhomie@cnes.fr

Gilles Leroy

TURBOMECA–Aerothermodynamic Department, 64511 Bordes Cedex, Francee-mail: gilles.Leroy@turbomeca.fr

J. Turbomach 126(1), 91-100 (Mar 26, 2004) (10 pages) doi:10.1115/1.1645869 History: Received December 01, 2002; Revised March 01, 2003; Online March 26, 2004
Copyright © 2004 by ASME
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References

Figures

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Optimization flow chart
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Mesh grids and relative Mach number iso-lines
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Objective function history
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Relative Mach number contours before and after optimization
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|∇ρ|/ρ contours before and after optimization
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Off-design performance before and after optimization
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Off-design relative Mach number contours before and after optimization
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Structured grids of the stage
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Relative Mach number contours
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Deformation function and optimized bladings
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Interface boundary condition
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Objective function and isentropic efficiency history
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Relative Mach number contours before and after optimization
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|∇ρ|/ρ contours before and after optimization
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Isentropic Mach number before and after optimization
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Three-dimensional view of the rotor and mesh topology
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Three-dimensional blade deformation function
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Three-dimensional design variables
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Objective function history
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Blade deformation at 80%, 50%, and 20% of the reduced blade span
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Reference and optimized radial profiles
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Downstream entropy iso-lines before and after optimization
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Relative Mach number iso-lines at 90% of the reduced span
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|∇ρ|/ρ contours before and after optimization
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Off-design performance of the compressor

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