摘要
基于气动弹性力学理论,建立了模拟转子汽封间隙流激振的动力学模型,分析了汽封转子系统的动力学行为。该模型用总阶数为八阶的两组流固耦合的动力学方程描述,一组是2个分别为沿X和Y方向的转子结构强迫振动方程;另一组是利用Raykigh方程描述的2个流体动力系数自激系统的强迫振动方程,给出了部分数值算例,并对结果进行了讨论。
In this paper, based on theory of aeroelasticity, the mathematical model of rotor of labyrinth seal flow induced vibration, dynamical behaviors of the rotor system are analyzed. The system can be expressed by 8 orders of differential equations, one of which is forced vibration of rotor, another is self-excited vibration. Amplitude of vibration vs. frequency is presented graphically.
出处
《哈尔滨理工大学学报》
CAS
2004年第4期115-118,共4页
Journal of Harbin University of Science and Technology
基金
黑龙江省自然科学基金重点项目(ZJG03-1)
黑龙江省自然科学基金项目(E0219)
关键词
转子动力学
汽封激振
自激振动
rotor dynamics
labyrinth seal flow induced vibration
self-excited vibration
