Advances in Acoustics and Vibration / 2010 / Article / Tab 2

Research Article

Vibration Characteristics of Hydrodynamic Fluid Film Pocket Journal Bearings

Table 2

Damped natural frequencies of a rotor supported by elliptic or pocket bearings ((1) refers to type 1, etc.).

Speed (rpm)10002000300040005000
EllipticReal, Imag (rad/s)

Mode 1
Mode 2
Mode 3

PocketReal, Imag (rad/s)

Mode 1
 (1)
 (2)
Mode 2
  (1)
 (2)
Mode 3
 (1)
(2)
Mode 4
 (1)
 (2)

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