September 10, 2025Physics of Fluids

Experimental investigations on the time-variation fouling characteristics in a low-speed axial compressor stage

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Performance degradation increased significantly during the initial fouling period, affecting efficiency.
At maximum fouling time, static pressure rise coefficient and torque efficiency dropped by 9.13% and 6.92%, respectively.
Low mass-flow rate compressors were found to be particularly vulnerable to fouling from environmental contaminants.
Fouling primarily accumulated on the leading edge and pressure surface of the rotor and stator blades.

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Experimental analysis shows significant performance degradation due to fouling in compressors, indicating critical operating conditions.

Zhao et al. (2025) studied this question.

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