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

Table 1

The vibration frequency spectrum component analysis of outer rotor.

Frequency (Hz)	Component
19.53
109.9
130.6
140.4
150.1
159.9
179.4
200.2
219.7
230.7
250.2
269.2
290.5
319.5
339.4
360.1
379.6
410.2
429.2
450.1
470
500
520
590.8