Effect of the Supports’ Positions on the Vibration Characteristics of a Flexible Rotor Shafting

Table 4

Orthogonal test level factors of the supports’ positions.

m	Level i	Level ii	Level iii
(mm)	−40	0	40
(mm)	−40	0	40
(mm)	−60	−30	0

 = support I position;  = support II position;  = support III position. All the positions refer to the distance from the reference positions listed in Table 1.