| 1. | The principle of measuring sensor for rotating blade vibration
旋转叶片振动测量传感器的设计 |
| 2. | Turbine blade vibration
涡轮机叶片振动 |
| 3. | The thesis studied the effect of the different crack on crack blade vibration characteristics
研究了裂纹叶片不同位置、尺寸的裂纹对叶片振动特性的影响。 |
| 4. | This nsms ( nonin terference stress - measurement system ) method is an alternative to the strain gauge for moni toring rotor blade vibration
此方法将在叶片的振动检测中取代应变计式检测装置。 |
| 5. | Moreover the study of the dynamically response of the blade vibration behavior depending on mass , stiffness and aerodynamics is made
又从质量、刚度、气动力的角度出发，研究该风力机叶片振动的动态响应。 |
| 6. | A nonintrusive techique for monitoring rotor - blade vibration using light probes has been applied to turbine - engine rotors and plant rotating equipment
一种非接触式光探头测振装置已成功应用于透平机转子叶片状态检测及其他旋转机械的振动检测。 |
| 7. | It is right that the modal of discontinuous phase method measures blade vibration parameters and the monitoring system has a good perspective in engineering application
结果证明间断相位法的计算模型是正确的，研制的叶片振动状态监测系统有良好的应用前景。 |
| 8. | The discontinuous phase method combined with eddy current sensor is introduced to acquire blade dynamic signal 。 the author designed the program of computing blade vibration parameters and have made computer simulation ， so we can get blade amplitude and frequency
提出采用间断相位法和电涡流传感器结合来获得叶片的振动信号，编制了测量叶片振动参数的计算程序，并进行了计算机模拟仿真，得到了叶片振动振幅和频率。 |
| 9. | To this problem , on the basis of the work property and characteristics of the water turbine ' s blade . the finite element mechanics model of blade vibration characteristic is described with the eight - node three - dimensional nonconforming and all parts of blade damp are analysised , the calculating model of blade damp is built , the tackling method of blade damp in calculating of dynamic stress is presented
本文根据水轮机叶片的特点和工作性质，采用空间八结点非协调等参单元描述水轮机叶片运动特性的有限元力学模型，详细分析了水轮机叶片阻尼各组成部分，并建立了叶片阻尼的计算模型，提出了叶片阻尼在动应力计算中的处理方法。 |
| 10. | In addition , aerodynamic stiffness and aerodynamic damping on the system are already obtained in the condition of fluid - structure interaction . it is known that aerodynamic loads are associated with blade vibration . the systematic eigenvalues are used to judge whether the flutter occurs so as to find the stable operating range of a wind turbine
本文把风力机叶片简化为悬臂梁，对梁截面的二维叶型建模，完整推导了二维叶型的线性运动微分方程和流构耦合条件下系统的气动刚度和气动阻尼，此时气动载荷与结构的位移矢量以及速度矢量是相互耦合的，再利用系统的特征值来判断叶片颤振是否发生，从而获得风机的稳定工作范围。 |
