Vibration Characteristics and Simulation Verification of the Dual-Rotor System for Aeroengines with Rub-Impact Coupling Faults

Table 3

Parameters of the equivalent rotation shaft.

Shaft number	D (mm)	d (mm)	L (mm)
The shaft of the low-pressure compressor	30	0	381
The shaft of the low-pressure turbine	30	0	923
The shaft of the high-pressure rotor	65	40	680