Abstract
This paper presents the influence of bearing liner compliance on the long-term dynamics of a symmetric rigid rotor on short journal-bearings. Both balanced and unbalanced rotors are investigated for different values of the compliance, using the (nondimensional) rotor speed as the bifurcation parameter. The results show a decrease in the onset speed of instability of the balanced rotor, and a considerable influence on the 1/2-subharmonic solutions in case of unbalance excitation.
Volume Subject Area:
17th Biennial Conference on Mechanical Vibration and Noise
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