由于传动放大的作用,可以在摆动振动端产生比飞轮实际转动惯量大得多的等效转动惯量。
The equivalent rotating inertia which is much more than the actual rotating inertia of the flywheel can be generated on the swinging and oscillating end under the driving and the amplifying action.
他从一激光器射出光束,正对有电缆一端的振动膜上。
He shot light from a laser out the end of the cable onto the diaphragm.
不同于让光线透过,相反地,通过纤维光缆的一端,纳米孔会将光线反射回去,极有效地将振动膜变成一面镜子,即便水流可以通过。
Instead of letting it pass, the holes would reflect the light back toward the tip of the fibre optic cable, effectively turning the diaphragm into a mirror even as it still allowed water to pass.
建立发动机气门振动的运动微分方程,该模型杆端作支承运动,考虑阻尼和较复杂的边界条件。
Considering damping and complicated boundary conditions for the valve support movement, the dynamic equation of the valve vibration of engine is found.
试验结果表明,这种新型减振端铣刀不仅可以减少振动和噪声,而且还可以提高表面加工质量和刀具寿命。
The experimental results have shown that the modern vibration-free face-milling cutter can not only reduce vibration and noise but also increase the surface finish quality and tool life.
本文介绍了用于大型汽轮发电机定子绕组端部振动测量的光纤传感技术的目的、方法、原理和结果。
In this paper are presented purpose, method, principle and results of the optical fiber sensing technology used in measuring the vibration of stator end winding for large turbogenerator.
以及一端系有集中质量的非均匀弹性杆振动问题。
The vibration of a nonuniform flexible rod connected to a concentrated mass is also solved.
在弦振动“驻波”实验中,对于起振端是波节还是波腹,存在不同的认识。
There are different viewpoints about the wave source in the experiment of vibration of string.
从多支承系统出发,运用功率流和四端参数方法,研究了安装在柔性基础上设备振动的隔离问题。
The problem of vibration isolation for the multi supporting machine installed on flexible foundations was studied by power flow and four end parameters methods.
针对细胞微超声振动切割系统对超声变幅杆的要求,将等截面圆柱形阶梯变幅杆的一端替换成圆锥形变幅杆构成一种复合圆锥阶梯形变幅杆。
By studying ultrasonic amplitude transformers to meet the requirements of an ultrasonic vibration cell cutting system, a new compound cone step type amplitude transformer is constructed.
研究了脉动内流作用下两端铰支输流管道的振动控制问题。
The independent modal space vibration control of a pinned-pinned pipe conveying pulsating fluid is investigated in this paper .
分别对均质土中完整端承桩和弹性支承桩在垂直谐和激振力作用下的纵向振动特性进行了研究。
Longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated.
针对三缸往复泵测量信号非平稳时变特点,研究了用小波消噪方法提取反映往复泵动力端状态的振动波形特征。
With a view to time_varying characteristic of the vibration signal measured on triplex reciprocating pump, an approach on the waveform feature extraction which reflects th...
本文分析了引起汽轮发电机定子绕组端部振动的原因,以及固有频率试验和振动测量的意义。
The cause of vibration on the turbogenerator stator end winding is analyzed, and the meaning of natural frequency test and vibration measurement is discussed.
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 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.
本文利用振动测试记录,具体论证了汽轮机排汽端一侧轴承松动,而导致汽轮机第二临界转速共振和强烈共振。
By analysing the amplitude of the shaft vibration, this article concludes that when the bolts get loose, it will result in resonance at the second critical speed and serious vibration.
物料的每一个质点在每一个瞬间都在双向旋转的同时,还进行圆周式的振动,并且在上、下两端受到双向的撞击。
When the material particles are bidirectional rotation, they're also during circular vibration, and at the same time they're with bidirectional impact.
然后以铣削为对象,建立了两自由度的铣削加工颤振动力学模型,并运用数字仿真技术,对动态端铣过程进行了时域仿真研究。
Based on the establishment of the dynamics model of milling processes with two degrees of freedom, the end-milling processes are simulated in time domain by using numeric simulation technology.
本文提出一种计算汽轮发电机定子绕组端部振动固有频率的有限元方法。
A finite element method is presented for the calculating natural frequency of turbogenerator stator end windings.
以工程常见四端位移为零的振动板为例,提出一种新的压电式传感器的设计方法测量第一阶声辐射模态伴随系数。
With the examples of the pinned-pinned plate, a new piezoelectric sensor design is presented to measure the first adjoint coefficient of radiation mode.
通过非线性振动中常用的里兹-伽辽金法,推出了两端铰支压杆大挠度问题的一个新近似公式,计算结果表明具有较高的精度。
A new approximate formula for the large deflection problem of compression bar with two ends are simply supported is obtained, by the use of Ritz-Galerkin method.
这种振动可能在拉索及其锚固端附近导致疲劳破坏。
These unanticipated vibrations potentially induce undue fatigue in cables themselves and in anchorages at bridge deck and tower.
通过观察和检测数据分析,电动机的平板式钢板端盖改为盘式铸铁端盖,可提高端盖刚度,降低电机轴向振动。
By observation and analysis of the test data, changing the plate steel endshield of motor into the disc iron one can improve the rigidness of endshield, and reduce the axial vibration of motor.
该超声换能器采用纵向振动方式,其前盖板连接了一个半波长圆锥形变幅杆,以增大超声换能器输出端的振幅。
The ultrasonic transducer vibrates longitudinally, its front cover plate links up with a half wavelength circular conical horn to increase the amplitude of the output end of the ultrasonic transducer.
本文以工程常见四端位移为零的振动板为例,提出一种新的压电式传感器的设计方法测量体积位移。
With a shown example of the pinned-pinned plate, a new piezoelectric sensor design is presented to measure volume displacement.
对发电机定子绕组端部固有频率的测试及模态试验分析作了简要的介绍 ,对端部绕组振动的在线监测作了简要分析 ,同时提出了一些个人看法。
This paper introduces a relaxed damage of a Large Generator Stator, measurement and analysis of the mode of the end winding, good suggests on preventive measures of resonant vibration are given.
通过得到的固有振动频率值,并与电磁力激发的强迫振动频率值进行比较,对不同情况下鼻端引水线在运行时的安全性进行一定的分析。
The natural frequencies and frequencies of electromagnetic force of diversion water pipe are compared, the security of diversion water pipe in different running condition is analyzed.
橡胶等弹性元件的加入,使得轴系刚度降低,在弹性联轴器两端易于产生扭转振动。
Because of elastic components such as rubber, rigidity of shafting goes down, which can arise torsional vibration on the ends of the elastic coupling easily.
对发电机定子绕组端部固有频率的测试及模态试验分析作了简要的介绍,对端部绕组振动的在线监测作了简要分析,同时提出了一些个人看法。
The inherent frequency and modal testing about end winding of generator stator are introduced, the vibration of end winding on-line monitoring is analyzed, a personal point of view is introduced.
本发明公开了一种振动式螺旋送料机,它是在螺旋送料机的进料端安装有弹簧座和高频振动电机。
The invention discloses a vibrating screw feeder. A feed end of the screw feeder is provided with a spring seat and a dither motor.
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