International Journal of Rotating Machinery

International Journal of Rotating Machinery / 1997 / Article

Open Access

Volume 3 |Article ID 656052 |

Stefano Pagano, Ernesto Rocca, Michele Russo, Riccardo Russo, "Instability Threshold of a Rigid Rotor-Tilting Pad Journal Bearings System", International Journal of Rotating Machinery, vol. 3, Article ID 656052, 15 pages, 1997.

Instability Threshold of a Rigid Rotor-Tilting Pad Journal Bearings System

Received18 Jul 1996
Revised18 Jul 1996


The stability of a rigid rotor supported on radial tilting pad journal bearings is analysed. This study has been tackled both for small unbalance values by linearising the equations of motion, and also in the case where, because of the high unbalance value, the rotor axis describes orbits with an amplitude such that the system's non-linearity cannot be ignored. In both cases the system's stable operation maps have been obtained and verified through numerical integration of the differential equations of motion.

Copyright © 1997 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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