August 17, 2025

CFD Study on S-CO2 Compressor Boundary Layer Separation During Surge and Stall

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Boundary layer separation was identified in the S-CO2 compressor during surge and stall conditions, impacting performance.
The study's key metric is the influence of operational characteristics on instability observed in compressors under high-pressure scenarios.
Computational fluid dynamics analysis was conducted based on an actual tested centrifugal compressor to simulate experimental results.
Understanding boundary layer dynamics could enhance the efficiency and reliability of supercritical carbon dioxide cycles in various applications.

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Computational fluid dynamics reveals boundary layer separation issues in centrifugal compressors operating under surge and stall conditions.

Kim et al. (2025) studied this question.

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Computational fluid dynamics reveals boundary layer separation issues in centrifugal compressors operating under surge and stall conditions.