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This is a Quantitative Study study.

September 27, 2025Proceedings

Impact Mechanism of Surface Roughness on Aerodynamic Performance and Stability in a Transonic Axial Compressor

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Numerical simulations reveal surface roughness reduces efficiency and stability in compressors, indicating significant operational implications.

An increase in surface roughness results in reduced total pressure ratio and efficiency in the compressor.
Rough rotor blades with Ra of 5μm and 20μm cause reductions of 0.78% and 4.10% in peak efficiency.
The mechanisms of performance degradation differ significantly between peak efficiency and near stall conditions.
Roughness affects the flow field near the rotor blades more than the stator, highlighting design considerations.

Lai et al. (2025) studied this question.

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September 27, 2025Proceedings

View Full Paper

Ask AI

Bookmark

Authors

Numerical simulations reveal surface roughness reduces efficiency and stability in compressors, indicating significant operational implications.

An increase in surface roughness results in reduced total pressure ratio and efficiency in the compressor.
Rough rotor blades with Ra of 5μm and 20μm cause reductions of 0.78% and 4.10% in peak efficiency.
The mechanisms of performance degradation differ significantly between peak efficiency and near stall conditions.
Roughness affects the flow field near the rotor blades more than the stator, highlighting design considerations.

Lai et al. (2025) studied this question.

View Full Paper

Ask AI

Bookmark