Maintenance is crucial for aircraft engines because of the demanding conditions to which
they are exposed during operation. A proper maintenance plan is essential for ensuring safe …

The digital twin-driven performance model provides an attractive option for the warn gas-
path faults of the gas turbines. However, three technical difficulties need to be solved:(1) low …

The leading edges of aero-engine fan and compressor blades suffer from severe erosion
due to the inhalation of suspended particulates in the low-altitude atmosphere during long …

Airborne particles ingested in aircraft engines deposit on compressor blading and end walls.
Aerodynamic surfaces degrade on a microscopic and macroscopic scale. Blade row …

Obtaining accurate components' characteristic maps has great significant for gas-turbine
operating optimization and gas-path fault diagnosis. A common approach is to modify the …

Gas turbine (GT) operators are often met with the challenge of utilizing and making meaning
of the vast measurement data collected from machine sensors during operation. This can …

Compressor fouling is one of the critical gas path faults of gas turbines, and the fouling
process is significantly influenced by the quality of the inlet air coming from the air intake …

The impact of compressor fouling on civil aero engines unlike the industrial stationary
application has not been widely investigated or available in open literature. There are …

This paper mainly analyzes the performance degradation of turbomachinery in gas turbines,
classifies the main types of degradation: increased tip clearance, corrosion/wear, fouling …

Studies have shown that online compressor washing of gas turbine engines slows down the
rate of fouling deterioration during operation. However, for most operators, there is a …