Dynamic Characteristics and Experimental Research of Dual-Rotor System with Rub-Impact Fault

Figure 8

The vibration displacement spectrum of rotors (rubbing location: outer rotor disc).

(a) -direction spectrum of inner rotor (13th node)

(b) -direction spectrum of inner rotor (13th node)

(c) -direction spectrum of outer rotor (14th node)

(d) -direction spectrum of outer rotor (14th node)