1) Operation failure under vibration circumstance
振动失效
2) Resonance vibration failure
共振失效
1.
From the randomness of influencing factors on both exciting frequency and natural frequency, and the fuzziness of resonance vibration failure in the single-rotor system, the corresponding membership function is deduced by analyzing the relationship between the distributing characteristics of the membership function and the system running state.
从影响转子系统的固有频率和激振频率各因素的随机性及系统发生共振失效的模糊性出发,通过分析具体隶属函数的分布特性与转子实际运行状态的关系,推导出相应的隶属函数以及计算转子系统模糊动力可靠度的计算公式。
3) vibration pump group failure
振动泵组件故障[失效]
4) Unstable vibration
失稳振动
1.
On the basis of establishing the model of the system containing both support damping and rotor external damping, the film unstable vibrations of the system are calculated by the use of nonlinear method, then the methods and the concrete measures of narrowing unstable region are dealt with ,thus proving that the width and the amplitude of the unstable region is limited.
在建立包含支承阻尼和转子外阻尼在内的弹性支承滑动轴承系统模型的基础上，用非线性方法计算了该系统的油膜失稳振动，讨论了缩小失稳区的方法和具体措施。
5) vibration misalignment
振动失调
1.
Based on the theory of geometric optics and matrix optics, the vibration misalignment of light-beam propagating matrices of lens and planar reflector ar.
基于几何光学和矩阵光学理论，给出了光学透镜和平面反射镜的失调光束传输变换矩阵，描述了光学系统的三维振动失调光束传输模型，为光学系统的光线传输失调的分析提供了理论方法。
6) brake inefficacy
制动失效
1.
Critical slope length computation of engine brake inefficacy;
发动机制动失效的坡长临界值计算
2.
This paper aims at presenting its authors analysis and calculation with the transportation vehicle s brake inefficacy under the exhaust braking conditions on the continuous down-steering paths so as to reduce the traffic accident rate more remarkably.
针对连续长下坡汽车主制动器失效的现象,研究了在排气制动下汽车下坡制动失效的坡长临界值问题。
补充资料：点振子振动和点电极振子振动
分子式：
CAS号：
性质：又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内，形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积，且与厚度有适宜的匹配关系。在交变电场作用下，沿厚度方向产生振动，其振幅随着至电极中心距离的增加，呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄，有时考虑到压电陶瓷自身强度太低，可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。
CAS号：
性质：又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内，形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积，且与厚度有适宜的匹配关系。在交变电场作用下，沿厚度方向产生振动，其振幅随着至电极中心距离的增加，呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄，有时考虑到压电陶瓷自身强度太低，可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条