| 1. | Stability of rotor system with nonlinear vibration 转子轴承系统涡动的稳定性分析 |
| 2. | Nonlinear dynamical response of rotor - bearing system with rub - impact fault 碰摩转子轴承系统的非线性动力响应行为 |
| 3. | Dynamics of rotor - bearing system with coupling faults of pedestal looseness and rub - impact 松动碰摩转子轴承系统周期运动稳定性研究 |
| 4. | Stability of periodic motion and experimental research on the rotor - bearing system with rub - impact and crack 碰摩裂纹转子轴承系统的周期运动稳定性及实验研究 |
| 5. | This experiment technology has been used into the study of stability of rotor - bearing system that be supported by every different kinds of bearings 这种测试技术已成功地用于不同类型轴承支撑下的转子轴承系统的稳定性研究。 |
| 6. | An fem model of rotor - bearing system was set up for a single - span - two - disc test rig to obtain such model parameters as the first and second order natural frequency and vibration mode vectors 摘要以某单跨双盘模型转子实验台为例,建立了该转子轴承系统有限元模型,得到转子系统前两阶固有频率和振型向量等模态参数。 |
| 7. | For a large - scale high - speed rotor - bearing system , the oil - film force of sliding - bearing may cause oil - film instability of the system , which has great impact on accident prevention and safety operation 对于大型?转子轴承系统,滑动轴承的油膜力引起的转子运动系统油模失稳现象是突出问题,直接关系到机组的灾变防治和安全可靠运行。 |
| 8. | The method proposed is tested on the single - span - two - disc test rig and proved efficient in precise diagnosis of periodic rubbing force in rotor system , and it also provides a reference for other fault diagnosis of rotor - bearing system 试验表明,这种方法可以对转子周期性碰摩进行较精确的诊断,并为其他转子轴承系统故障诊断提供参考。 |
| 9. | Aimed at the rotor bearing system of 300 mw steam turbogenerator set and on the basis of establishing its concentrated general model with 8 supportings and 9 nodes , a study was carried out on the bending vibration response of the most left end surface of shafting and of the right end face of generator 摘要针对300mw汽轮机组转子轴承系统,在建立其8支承9节点集总模型的基础上,对轴系最左端面和发电机右端面的弯曲振动响应进行研究。 |
| 10. | Based on the assumption of periodic rubbing force in rotor system , the rubbing forces onto each node of rotor system are estimated by modal expansion technique and the sub - harmonic decomposition of residual matrix between faulty and faulty - free vibration signals of rotor system through fft ( fast fourier transformation ) 基于转子系统碰摩力的周期性假设,利用模态扩展方法,对故障和健康转子系统振动信号的残差矩阵进行傅立叶级数的分频谐波近似,估算得到转子轴承各节点的碰摩力。 |