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Open AccessArticle10.24425/ame.2007.131552

Stability of rotor with gas-lubricated journal bearing

Vytautas Barzdaitis,Vytautas Žemaitis,Vytautas Barzdaitis,Rimantas Didžiokas-2019-12-17-Archive of Mechanical Engineering
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TL;DRAbstract

The paper presents research on dynamics, modeling and the results of experimental tests of the rotor system rotating in gas lubricated bearing with a floating bush. The dependence of rotor vibration intensity on the waviness of bearing elements was tested and simulated. It was confirmed experimentally that the amplitude of rotor vibration in gas lubricated bearing with double gas film is basically lower than the one with single gas film. The kinetic orbits of the rotor shaft vibration displacements are presented. Dynamic and mathematical models constructed enable to design bearings that distinct optimal according to the minimal vibration intensity.

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The paper presents research on dynamics, modeling and the results of experimental tests of the rotor system rotating in gas lubricated bearing with a floating bush. The dependence of rotor vibration intensity on the waviness of bearing elements was tested and simulated. It was confirmed experimentally that the amplitude of rotor vibration in gas lubricated bearing with double gas film is basically lower than the one with single gas film. The kinetic orbits of the rotor shaft vibration displacements are presented. Dynamic and mathematical models constructed enable to design bearings that distinct optimal according to the minimal vibration intensity.

Keywords

Bearing (navigation)Rotor (electric)Materials scienceStability (learning theory)Mechanical engineeringStructural engineeringEngineeringComputer science

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