Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 16, issue 2
Articles | Volume 16, issue 2
https://doi.org/10.5194/ms-16-375-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-16-375-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 2
Research article
 | 
21 Jul 2025
Research article |  | 21 Jul 2025

Vibration responses of a two-span three-support rotor system with sliding bearing elevation change

Ziyang Zhou, Guangfu Bin, Chao Li, Yaozhi Gao, and Maharaja Bayjid Md

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Short summary
The two-span three-support rotor is a typical structure of rotating machinery such as steam turbine units, compressor units, and water pumps. When the elevation of the sliding bearing changes, the misalignment excitation of the coupling and the stiffness damping of the bearing will change accordingly, which will affect the vibration characteristics of the rotor. This paper can provide theoretical guidance and data support for the structural design and fault diagnosis of the two-span three-support rotor.
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