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 /Hz | Damping ratio | Frequency /Hz | Damping ratio |
| | MIMO FRF | 83.98 | 0.0202 | 84.09 | 0.0200 | 88.91 | 0.0268 | 89.06 | 0.0243 |
|
SISO dFRF | | Frequency /Hz | Damping ratio | Frequency /Hz | Damping ratio |
| SISO dFRF | −83.81 | 0.0210 | 84.08 | 0.0194 | −89.38 | 0.0237 | 89.19 | 0.0259 |
|
|
Note: negative frequency means backward, and positive frequency means forward.
|