Shock and Vibration

Research Article

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

Table 2

The vibration frequency spectrum component analysis of inner and outer rotor.
Frequency (Hz) (inner rotor)ComponentFrequency (Hz) (outer rotor)Component
18.3118.31
141.6141.6
195.3159.9
213.6195.3
231.6213.6
250.2231.6
281.1250.2
  266.1
  284.4