High Sensitive Methods for Health Monitoring of Compressor Blades and Fatigue Detection

Table 1

Endurance threats of real blades permanence (“live”) according to the theory of five elements [3].

Flow dynamics path	Kinematic loads path
Flow clocking; Stall; Surge; Flutter; Combustion instability; Foreign object in inlet; Flight on big angles of the attack	Centrifugal force; Compressor nonaxial; Rotor unbalance; Compressor speed fluctuation; Structure resonances; Flight with big “g”