Numerical Simulation of Impeller–Volute Interaction in Centrifugal Compressors

[en] A numerical procedure to predict the impeller/volute interaction in a single-stage centrifugal compressor is presented. The method couples a three-dimensional unsteady flow calculation in the impeller with a three-dimensional time-averaged flow calculation in the volute through an iterative updating of the boundary conditions on the interface of both calculation domains.The method has been used to calculate the flow in a compressor with an external volute at off-design operation. Computed circumferential variations of flow angles, total temperature and pressure are shown and compared with measurements. The good agreement between the predictions and measurements confirms the validity of the approach.

Disciplines :

Mechanical engineering

Author, co-author :

Hillewaert, Koen ; von Karman Institute for Fluid Dynamics > Turbomachinery

Van den Braembussche, René A.; von Karman Institute for Fluid Dynamics > Turbomachinery > Professor

Language :

English

Title :

Numerical Simulation of Impeller–Volute Interaction in Centrifugal Compressors

Publication date :

1998

Event name :

International Gas Turbine and Aeroengine Congress and Exhibition

Event organizer :

ASME IGTI

Event place :

Stockholm, Sweden

Event date :

June 2-5 1998

Audience :

International

Main work title :

Proceedings of the International Gas Turbine and Aeroengine Congress and Exhibition 1998

Peer reviewed :

Peer reviewed

Additional URL :

https://doi.org/10.1115/98-GT-244

Commentary :

Volume 1: Turbomachinery Turbo Expo: Power for Land, Sea, and Air V001T01A059

Available on ORBi :

since 11 August 2021

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Bibliography

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