Engineering Mechanics

International Conference

Proceedings Vol. 16 (2010)


May 10 – 13, 2010, Svratka, Czech Republic
Editors: Igor Zolotarev

Copyright © 2010 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-87012-26-0 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Active vibration control of journal bearings to preventing instability caused by an oil film
Tůma J., Šimek J., Škuta J., Los J., Klečka R.
pages 157 - +9p., full text

The paper deals with a working prototype of a system for the active vibration control of journal bearings to prevent rotor instability due to the oil film. The controllable journal bearing consists of movable bushing, the position of which is actuated with the use of piezoactuators. The first tests show that the active vibration control extends considerably the range of the operational RPM.

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