A review of aero-engine blade fouling mechanism

As the heart of aircraft, aero-engine's performance is one of the influence factors of flight safety and fuel efficiency. The purpose of this paper is to study turbofan engine blade fouling's formation mechanism and development progress. Blade is one of the key parts of the whole turbofan engine which includes fan blades and axial compressor rotor and stator blades. Blade fouling is the process that tiny particles adhere to the surface of blade with the increase of engine flight hours. This study analyzes the source of the fouling contaminants and particle kinematics, dynamics and fouling simulation process, which are based on the mechanism of blade fouling and particles deposition.