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Numerical Simulation and Flow Analysis of the Vaneless Diffuser of Centrifugal Compressor in Low Flow Condition

Zhu Zhi-fu

Open publisher page 1 citations

Abstract

The vaneless diffuser is the most widely used in tuobocharger but also the key component of centrifugal compressor.The study to the mechanism of the flow and loss in the vaneless diffuser is shown important to improve the performance of diffuser and avoid stall.In the paper,the cetrifugal compressor is simulated by the CFD software NUMECA and the analysis is given to flow characteristic in converge and parallel area of the diffuser.The research provides a solid foundation to research flow characterics and to improve its performance.

About this research paper

What this paper is about

The vaneless diffuser is the most widely used in tuobocharger but also the key component of centrifugal compressor.The study to the mechanism of the flow and loss in the vaneless diffuser is shown important to improve the performance of diffuser and avoid stall.In the paper,the cetrifugal compressor is simulated by the CFD software NUMECA and the analysis is given to flow characteristic in converge and parallel area of the diffuser.The research provides a solid foundation to research flow characterics and to improve its performance.

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Available abstract

The vaneless diffuser is the most widely used in tuobocharger but also the key component of centrifugal compressor.The study to the mechanism of the flow and loss in the vaneless diffuser is shown important to improve the performance of diffuser and avoid stall.In the paper,the cetrifugal compressor is simulated by the CFD software NUMECA and the analysis is given to flow characteristic in converge and parallel area of the diffuser.The research provides a solid foundation to research flow characterics and to improve its performance.

Key concepts: Centrifugal compressor, Diffuser (optics), Gas compressor, Stall (fluid mechanics), Flow (mathematics), Internal flow, Impeller, Axial compressor

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Numerical Simulation and Flow Analysis of the Vaneless Diffuser of Centrifugal Compressor in Low Flow Condition — Research Paper | ScholarLens