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Zhang Junhon
School of Mechanical
Engineering,
Tianjin University,
Tianjin 300072, China
Sun Shaojun
Weichai Diesel Power Co.
Ltd.,
Weifang 261001, China |
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ANALYSIS ON MOTION STABILITY
OF A HIGH-SPEED ROTOR-BEARING
SYSTEM*
Abstract: A non-linear dynamic model of one type of high-speed rotor system with gas supporting system is set up. The laws between the capacity force and the parameters of bearing, the static equilibrium position and rotating speed are studied on the basis of above model. Then, the failure rotating speed is given in the working state, and the relation between the minimum failure rotating speed and clearance of bearing is also studied. At last, the stability and failure condition are discussed in different working conditions.
Key words:
Gas bearing Rotor system Motion stability Axes trail |