Modelling of Oil Film Bearings

Tatsuro Ishibashi
Meidensha Corporation, Japan

Tadao Kawai
Department of Mechanical & Physical Engineering, Osaka City University, Japan

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp18148115

Ingår i: Proceedings of the 2nd Japanese Modelica Conference, Tokyo, Japan, May 17-18, 2018

Linköping Electronic Conference Proceedings 148:16, s. 115-121

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Publicerad: 2019-02-21

ISBN: 978-91-7685-266-8

ISSN: 1650-3686 (tryckt), 1650-3740 (online)


In this paper, we model the oil film bearings and estimate the fluid-induced instability for the design and the diagnosis of the rotating machinery system. The presented model is implemented in our original rotating machinery library by Modelica. An example of a Jeffcott rotor system supported by plain circular journal bearings is simulated. To check the behavior of the model, Campbell diagrams and stability maps are computed by using the Modelica_LinearSystems2 library.


Rotor Dynamics, Oil Whirl, Oil Whip, Campbell Diagram, Stability Map


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