Sand, dirt, and dust can cause what effect on compressor blades?

Compressor blades in gas turbine engines are designed to be aerodynamically efficient and durable, but they are still susceptible to physical damage from environmental factors such as sand, dirt, and dust. Erosion occurs when these particles impact the surface of the compressor blades at high velocities. The continuous bombardment causes material to be worn away, which can significantly alter the blades' geometry and affect the engine's performance.

Erosion leads to a reduction in the efficiency of the compressor by disrupting the airflow patterns, decreasing the ability of the engine to compress air effectively. This physical degradation can also result in increased maintenance costs and potential failure if not addressed. Therefore, recognizing that these particulates can wear down the blades over time highlights the importance of regular maintenance and protective measures in gas turbine operations.