航空发动机高速球轴承动态特性分析

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2007, Vol. 28 ›› Issue (6): 1461-1467.

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Analysis on Dynamic Characteristics of Aero-engine Highspeed Ball Bearings

Wang Liqin,Cui Li,Zheng Dezhi,Gu Le

School of Mechatronics Engineering, Harbin Institute of Technology

Received:2006-10-31 Revised:2007-01-15 Online:2007-12-15 Published:2007-12-15
Contact: Wang Liqin

Abstract

Abstract:

The dynamic characteristics of ball bearings at high speed have important effects on the rotor system of aero-engine. In order to simulate the actual working conditions, the dynamic analysis model of ball bearings under arbitrary loads is established by quasi-dynamic method, by which forces and moments are obtained from inter action model of bearing parts, and the traction force is computed by an accurate traction model. The efficient solution method of nonlinear equations is proposed.

Key words: ball , bearing, , dynamic , characteristic, , quasi dynamic, , nonlinear , equation, , combined , load

CLC Number:

V233.453

Wang Liqin;Cui Li;Zheng Dezhi;Gu Le. Analysis on Dynamic Characteristics of Aero-engine Highspeed Ball Bearings[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2007, 28(6): 1461-1467.

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Analysis on Dynamic Characteristics of Aero-engine Highspeed Ball Bearings

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