Thus, holography has been applied to the experimental research on blade vibration.
因此,全息测量被广泛应用于叶片振动的实验研究。
Rotor blade vibration measurement kept the high-speed rotating blades stable in property.
高速旋转叶片在使用中性能稳定。
The state blades of the first level were also tried to be fixed in unequal distances to make blade vibration lower.
尝试采用一级静止叶片不等距安装方式降低叶片振动。
With the use of holography, the mode, amplitude and phase distribution of gas turbine blade vibration can be determined.
利用全息照相,我们可以得到燃气轮机叶片振动时的振型、振幅和相位分布。
Noncontact measuring of high speed rotating blade vibration is the most promising technology in the blade vibration measuring.
高速旋转叶片振动的非接触测量是叶片振动测量中极具发展前景的技术。
The 6th stage blade in aero-engine compressor is taken as an example, the temperature effect on the blade vibration frequency blade is investigated.
以某型航空发动机压气机第六级叶片为例,研究了温度对叶片振动频率的影响。
At the same time, the can ception of rigid blade and flexible blade are presented. The influence made by blade vibration on the dynamic space is analysed.
提出了刚性叶片和柔性叶片的概念,分析了叶片振动和叶片安装间距误差对动态间距的影响。
Based on data analysis in both time and frequency domain, characteristics of blade vibration response at rotating stall and surge condition are introduced.
在对时域和频域数据分析的基础上,论述了旋转失速和喘振状态下叶片振动响应的特征。
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。
The optical fiber sensor that defects of traditional sensors are overcome provides a reliable way for real time accurate measurement of high speed rotating blade vibration.
光纤传感器的出现,克服了传统传感器的缺陷,为实时精确测量高速旋转叶片振动提供了可靠的保证。
The conclusion shows that the calculated results of blade intrinsic vibration frequencies bear no relation to the common fix states for the first seven-order blade vibration.
得到的结论是:对于叶片的前七阶振动,通常的叶片固支状态对叶片自振频率计算值几乎没有影响。
The real time measuring system of high speed rotating blade vibration, tip timing sensor, pulse signal sampling system and analysis processing of blade vibration signal are researched.
研究了高速旋转叶片振动实时监测系统,叶端定时传感器、传感器脉冲信号采集电路和叶片振动信号的实时分析和处理。
The measurement under gas turbine operating conditions of disk and blade vibration characteristics constitutes one of the most difficult problems in gas turbine measurement techniques.
在运行条件下实测燃气轮机轮盘和叶片的振动特性,是燃气轮机参数测量中最困难的问题之一。
Using resistance strain gage, dynamic pressure sensor, slip ring and tape recorder, the blade vibration strain and exit pressure signals of rotor blades are recorded and then processed.
利用电阻应变片、动态压力传感器、滑环式引电器和磁带记录仪等,录取叶片振动应变和动叶出口压力信号,然后回放磁带,做信号处理。
Through studying the structure of the unsteady flow field in vibrating cascades, the coupling relationship between flow separation on the suction surface and blade vibration is revealed.
此外,通过对振荡叶栅非定常流场结构的研究,发现了叶片吸力面气流分离与叶片振动之间的耦合关系。
Theoretical derivation is done to the analyzing method of synchronous blade vibration by using speed-vector-end-tracking method, and so is the computer simulation to measurement process.
基于叶尖定时测振原理,对利用速矢端迹法分析叶片同步共振幅值的方法做理论推导,建立叶片同步共振的分析模型并进行仿真。
Studies are made in the article on the mechanism of the dissipation of turbine blade vibration energy and concepts are defined for the mechanical and pneumatic damping of blade vibration.
本文分析了汽轮机叶片振动能量耗散的机理,介绍了叶片振动的机械阻尼和气动阻尼的概念。
The stiffening effects of the rotating blade are discussed, using the multi-body dynamics method. The influence of the dynamic stiffening effect on the blade vibration mode is then analyzed.
应用多体动力学方法,分析了旋转叶片动力刚化效应产生的原因及其对叶片振动模态的影响;
From the standpoint of coupling of non-steady flow with elastic blade vibration, studied was the forced response of blades, which is of major significance for the high-cycle fatigue of blades.
从非定常流动和弹性叶片振动相耦合的角度来研究叶片的强迫响应,对于叶片的高周疲劳具有重要意义。
This thesis aims at developing a model and calculation method of rigidity, strength and vibration of the blade .
本文目的就是要建立一套适合于水轮机转轮叶片刚强度与振动的分析模型和计算方法。
The effects of magnitude of blade disorder and disk rotating speed on the vibration mode localization are analyzed.
分析了叶片的失谐量和轮盘的转速对结构振动模态局部化的影响。
If fan blade assembly is replaced because of mechanical damage, water pump and viscous fan drive should also be inspecteThese components could have been damaged due to excessive vibration.
如果因为机械损坏而更换风扇叶片组合,应该检查水泵及粘性风扇驱动,这些组件可能由于过度抖动而损坏。
The results of analysis prove that the vibration damping and stabilized guidance of saw-blade can be realized by using the aerostatic guide, which can improve stability of band saw-blade.
分析结果证明:使用空气静压导向装置可以对带锯条实现静压推力、振动阻尼和稳定导向,能够提高带锯条的稳定性。
This paper deals with the principle of the vibration pattern measurement, blade simulation tests in LABS and the application in power plants.
文章介绍了振型测量的基本原理、实验室模拟叶片试验以及在电厂的实际应用。
The experimental results demonstrate that this way is extremely reliable for measuring complex vibration type of blade.
试验结果表明这种方法用于测量叶片的复杂振型是十分可靠的。
The method can be used to calculate the vibration features of circular blades with friction damper, so it provided the foundation for designing the blade with friction damper.
该方法稍加推广即可研究循环叶片组的振动特性,为指导带缘板阻尼器叶片的减振设计奠定了基础。
Modal analysis is a very effective method for the study of vibration characteristic of impeller blade.
对叶轮叶片振动特性进行研究,模态分析是一种十分有效的方法。
Rigidity, strength and vibration analysis are important to the blade of hydrodynamic turbine, both in theoretical and actual fields, such as optimum design, stable operation and damage preventing.
水轮机转轮叶片的刚强度与振动特性分析对水轮机的优化设计、稳定运行、防止事故发生等都有重要的理论与实际意义。
A new method - reverse educing method is put forward int his paper, which is to estimate the vibration stress of aeroengine blade UN der rotating state.
提出了一种确定航空发动机叶片振动应力的新方法——断口反推法。
A new method - reverse educing method is put forward int his paper, which is to estimate the vibration stress of aeroengine blade UN der rotating state.
提出了一种确定航空发动机叶片振动应力的新方法——断口反推法。
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