2012•Journal of Dalian Jiaotong UniversityRequires access

Simulation of Turbocharger Vane Diffuser High-Speed Flow Field

Zhao Fang-wei

Abstract

Numerical study of a three-dimensional flow field in a turbocharger vane diffuser is presented.In order to improve the efficiency of the diffuser,in the internal flow field,the performance of the diffuser is analyzed and optimized in the compressor high-speed condition with three different leaf diffusers internal flow simulation analysis.The results show that the overall performance and flow field of the straight line wing shape diffuser are better than the other two diffusers.

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Key concepts: Diffuser (optics), Turbocharger, Impeller, Internal flow, Gas compressor, Flow (mathematics), Centrifugal compressor, Specific speed