Engineering Mechanics

Proceedings Vol. 14 (2008)

ENGINEERING MECHANICS 2008

Copyright © 2008 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

 

Tůma J., Bilošová A.
pages 246 - +8p., full text

There are many ways how to model a rotor system with journal bearings, but this paper prefers an approach, which is based on the concept developed by Muszynska (1986). In contrast to the others, that prefer the lubricant flow prediction using a FE method, the Muszynska model can be employed to simulate a behavior of a journal vibration active control system by manipulating the sleeve position by piezoactuators, which are a part of the closed loop composed of proximity probes and a controller. The paper is focused on the problem how to estimate the true values of the simulation model parameters.

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