Shock and Vibration / 2014 / Article / Tab 4

Research Article

Rotordynamic Evaluation of Full Scale Rotor on Tilting Pad Bearings with 0.1 and 0.3 Preload

Table 4

Identified result based on MIMO FRF and SISO dFRF.

MIMO FRF
Frequency /HzDamping ratioFrequency /HzDamping ratio

MIMO FRF83.980.020284.090.0200
88.910.026889.060.0243

SISO dFRF
Frequency /HzDamping ratioFrequency /HzDamping ratio

SISO dFRF−83.810.021084.080.0194
−89.380.023789.190.0259

Note: negative frequency means backward, and positive frequency means forward.