Development of Secondary Flow Field in a Low Solidity Diffuser in a Transonic Centrifugal Compressor Stage-Reference-Cited by-同舟云学术

Development of Secondary Flow Field in a Low Solidity Diffuser in a Transonic Centrifugal Compressor Stage

Published:2002-01-01 Issue: Volume: Page:
ISSN:
Container-title:Volume 5: Turbo Expo 2002, Parts A and B
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Author:

Bonaiuti Duccio¹,Arnone Andrea¹,Hah Chunill²,Hayami Hiroshi³

Affiliation:

1. University of Florence, Florence, Italy

2. NASA Glenn Research Center, Cleveland, OH

3. Kyushu University, Kasuga, Fukuoka, Japan

Abstract

In the present paper, the flow structure inside a low-solidity diffuser of a transonic compressor was investigated in detail. Steady computations were carried out and compared to experimental data. The secondary flow development inside the diffuser was analyzed and the reason for the stall inception was detected. Unsteady calculations were performed for two operating points, one close to the choke and the other one close to the stall of the compressor, in order to assess the effect of the unsteadiness in the diffuser secondary flow development.

Publisher

ASMEDC

Link

http://asmedigitalcollection.asme.org/GT/proceedings-pdf/doi/10.1115/GT2002-30371/2575131/445_1.pdf

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