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Proceedings of ASME Turbo Expo 2011
GT2011
June 6-10, 2011, Vancouver, British Columbia, Canada
GT2011-45804
TOWARDS LARGE-EDDY SIMULATION OF TURBULENT FLOW
IN A CENTRIFUGAL IMPELLER
Gorazd Medic Jinzhang Feng
United Technologies Research Center United Technologies Research Center
411 Silver Lane, East Hartford, CT 06108, USA 411 Silver Lane, East Hartford, CT 06108, USA
Liwei Chen Om Sharma
United Technologies Research Center (China) Ltd. United Technologies Research Center
Room 3512, 35/F, Shanghai World Financial Center, 100 411 Silver Lane, East Hartford, CT 06108, USA
Century Avenue, Pudong, Shanghai, 200120, P.R.China
ABSTRACT D hydraulic diameter
Large-eddy simulation (LES) using wall-adapting local
x x-coordinate of the center of the bend (for curved duct)
eddy-viscosity (WALE) subgrid scale model has been applied c
towards elucidating the complex turbulent flow physics in a yc y-coordinate of the center of the bend
centrifugal impeller. Several canonical cases of increased z z-coordinate of the center of the bend
complexity were analyzed to better under
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