Research Article

Harmonic Transfer Function Based Damage Identification of Breathing Cracked Jeffcott Rotor

Table 1

Rotor parameters.

ParameterValueUnits

Shaft length, 0.6m
Shaft radius, 7.5mm
Disk mass, 1Kg
Elastic modulus, 200GPa
Eccentricity, 0.01mm
Damping ratio , , , 0.1ā€”
Phase 0deg
Rotating speed600RPM
Crack depth, 0.75, 1.5, 2.25mm