Research Article

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

Table 1

Comparison between theoretical and identified result.

TheoreticalIdentified resultDeviation

frequency (rpm)3290 rpm3295.02 rpm0.15326
frequency (rpm)3300 rpm3294.56 rpm−0.00165
Log decrement 0.130880.129923 ( )−0.00731
0.129629 ( )−0.00965