The present study aims at evaluating the feasibility and the accuracy of the Large-Eddy Simulation of an actual high-pressure multistage compressor, performed with the TurboAVBP numerical method. TurboAVBP relies on the coupling of several domains via an overset grid method. The latter is demonstrated to keep the order of accuracy of the numerical scheme across six successive rotor-stator interfaces. The simulated configuration corresponds to the 3.5 stage axial compressor CREATE. Three unstructured grids of CREATE, with different resolutions, are generated. They contain 37 blades, the actual rotor tip clearances and a recirculating cavity. The predictions of the global aerodynamic performances and of the radial profiles are found to agree well with experimental data. The analysis of the flow shows that the finest grid exhibits the turbulent flow structures expected in such a configuration, including the blade and vane wakes and the rotor tip leakage vortices.
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ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition
June 13–17, 2016
Seoul, South Korea
Conference Sponsors:
- International Gas Turbine Institute
ISBN:
978-0-7918-4971-2
PROCEEDINGS PAPER
Application of an Overset Grid Method to the Large Eddy Simulation of a High-Speed Multistage Axial Compressor
Jerome de Laborderie,
Jerome de Laborderie
CERFACS, Toulouse, France
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Florent Duchaine,
Florent Duchaine
CERFACS, Toulouse, France
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Olivier Vermorel,
Olivier Vermorel
CERFACS, Toulouse, France
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Laurent Gicquel,
Laurent Gicquel
CERFACS, Toulouse, France
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Stephane Moreau
Stephane Moreau
University of Sherbrooke, Sherbrooke, QC, Canada
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Jerome de Laborderie
CERFACS, Toulouse, France
Florent Duchaine
CERFACS, Toulouse, France
Olivier Vermorel
CERFACS, Toulouse, France
Laurent Gicquel
CERFACS, Toulouse, France
Stephane Moreau
University of Sherbrooke, Sherbrooke, QC, Canada
Paper No:
GT2016-56344, V02CT39A015; 13 pages
Published Online:
September 20, 2016
Citation
de Laborderie, J, Duchaine, F, Vermorel, O, Gicquel, L, & Moreau, S. "Application of an Overset Grid Method to the Large Eddy Simulation of a High-Speed Multistage Axial Compressor." Proceedings of the ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. Volume 2C: Turbomachinery. Seoul, South Korea. June 13–17, 2016. V02CT39A015. ASME. https://doi.org/10.1115/GT2016-56344
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