Engineering Mechanics

Proceedings Vol. 23 (2017)

ENGINEERING MECHANICS 2017

Copyright © 2017 Brno University of Technology, Faculty of Mechanical Engineering, Institute of Solid Mechanics, Mechatronics and Biomechanics, Brno

 

Polach P., Hajžman M., Byrtus M., Dyk Š., Smolík L.
pages 794 - 797, full text

Dynamics of rotating systems involves behaviour and diagnostics of rotating structures. When hydrodynamic journal bearings are used to support a rotor the rotor-bearing system becomes a complex dynamic system that may exhibit serious fluid film instabilities. The understanding of the behaviour of a fluid film bearing closely before, during and after the rotor instability origin and growth is the main motivation for the complex research of local and global dynamics of a rotor-bearing system. Deep knowledge of the relations between local fluid film dynamics and dynamic response of rotating systems during instabilities can help to improve design of many modern rotating machines.

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