Meridional Considerations of the Centrifugal Compressor Development

Centrifugal compressor developments are interested in using optimization procedures that enable compressor high efficiency and wide operating ranges. Recently, high pressure ratio and efficiency of the centrifugal compressors require impeller design to pay attention to both the blade angle distribut...

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Bibliographic Details
Published in:International Journal of Rotating Machinery 2012-01, Vol.2012 (2012), p.308-318
Main Authors: Xu, C., Amano, Ryoichi Samuel
Format: Article
Language:English
Subjects:
Blades
Centrifugal compressors
Compressor efficiency
Compressors
Curvature
Design optimization
Efficiency
Fluid dynamics
Gas turbine engines
Impellers
Mathematical analysis
Pressure ratio
Product design
Studies
Turbulence models
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Summary:Centrifugal compressor developments are interested in using optimization procedures that enable compressor high efficiency and wide operating ranges. Recently, high pressure ratio and efficiency of the centrifugal compressors require impeller design to pay attention to both the blade angle distribution and the meridional profile. The geometry of the blades and the meridional profile are very important contributions of compressor performance and structure reliability. This paper presents some recent studies of meridional impacts of the compressor. Studies indicated that the meridional profiles of the impeller impact the overall compressor efficiency and pressure ratio at the same rotational speed. Proper meridional profiles can improve the compressor efficiency and increase the overall pressure ratio at the same blade back curvature.
ISSN:1023-621X
1542-3034
DOI:10.1155/2012/518381