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中文摘要：
提出一种基于双支撑转子系统的力学简化模型,分析了含有旋转腔体积油故障的转子系统动力学特性。首先,将转子腔体中积油简化为集中质量油团,采用拉格朗日方程,建立了该系统的动力学方程,基于方程解析,分析了不同转速下系统的位移频率响应变化。结果表明,积油转子在旋转过程中,当转速超过系统临界转速时,会出现共振锁频现象。
英文摘要：
On account of the operation faults caused by the oil leakage in rotor cavity, to explore its dynamic characteristics, a double-support simplified rotor model has been proposed. In the model, leak oil is transformed into a concentrated mass oil-block. Then the dynamic equation is deduced by the Lagrange equation, based on the numerical simulation, vibration responses caused by the rotating speed are investigated. Result shows that frequency-locking phenomenon will appear when the rotating speed exceeds the first critical speed.
同期刊论文项目
同项目期刊论文
Vibration analyses of symmetrically laminated composite cylindrical shells with arbitrary boundaries
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