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

Table 3

Identified damping ratio result under different test number and average points number.

Points number Av	1	5	10	15
Test number 𝑁
2	1.953	1.965	1.970	1.972
5	2.007	2.020	2.023	2.025
8	2.044	2.053	2.055	2.056
10	2.037	2.057	2.037	2.038