June 16, 2025

The Influence of Diffuser Vanes on Stall and Surge in an Industrial Centrifugal Compressor

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Experimental analysis reveals diffuser vanes reduce stall and surge effects in centrifugal compressors, suggesting improved performance.

Diffuser vanes significantly suppress mild surge at low rotational speeds, improving compressor stability.
Experimental results from 29 pressure transducers indicate distinct behaviors of co- and counter-rotating stall cells in different configurations.
Analysis shows rotating stall properties vary with diffuser design, affecting the number and speed of stall cells.
Findings may help enhance the design of future centrifugal compressors by preventing damaging operational conditions.

Stemmermann et al. (2025) studied this question.

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