饱和流速是当定子振动速度超过一定值后液体流速不再随之增加的现象。
It is the phenomenon that the fluid velocity does not increased anymore correspondingly when the stator vibrating velocity exceeds a speed limit.
本文提出了一种用于分析环形超声波电动机定子振动固有频率的简便、有效的方法。
The paper puts forward a convenient and efficient method on the analysis of vibration natural frequency for ring ultrasonic wave motor stator.
基于环形行波型超声马达定子振动有限元模型,详细分析研究了粘结层对超声马达定子振动特性的影响。
In this paper, the effect of adhesive on the vibration of the stator in ultrasonic motors was investigated in details.
由于定子的径向振动是开关磁阻电机噪声的主要根源,因此定子振动系统的模态分析是降噪研究的有效手段。
As the radial vibration of stator is the origin of the acoustic noise of SRMs, model analysis of stator vibration is the effective way to the research for low acoustic noise.
讨论了水位高度、定子振动速度等对电机性能的影响,并通过实验进行了验证,实验测试结果与理论分析结果相一致。
The effect of water height and stator vibration velocity on the characteristics of the motor is also discussed. The results correspond well to the experiment ones.
对方形机壳异步电动机的定子振动分析模型作了研究,给出了一种比双环模型更适用的多自由度模型,并对典型结构的方形异步电机进行了实际分析。
This paper studies the stator vibration of an induction motor with square frame, and presents a novel multi-degree vibrating model which is superior to the conventional double-ring one.
采用有限元分析软件ANSYS建立了BLDCM的二维和三维定子振动的有限元分析模型,研究了BLDCM定子结构和参数对其振动模态和固有频率的影响。
This paper constructs several 2d and 3d finite element analysis models with ANSYS, studies the influence of the structure and parameters of BLDCM on vibration mode and natural frequency.
对电机的运行机理进行了分析,并利用有限元软件ANSYS分析了电机定子的振动特性和阻抗特性,同时提出了一种振子间解耦的方法。
The stator's characteristics of vibration and input impedance were analyzed by using the finite element software ANSYS. A new decoupling method between the two vibrators was presented.
柱体型超声波电机依靠圆柱定子的弯曲振动驱动转子旋转。
The cylindrical type ultrasonic motor USES bending vibration of cylindrical stator to drive rotor.
本文用传递函数的模态分析法研究了电机定子铁芯的振动模态,介绍了试验原理、装置及测试结果。
In this paper, the test for vibration mode of stator core of an electric - al motor are studied using the transfer function mode techniques.
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.
将声流场同电机转速联系起来,对电机转速同定子超声振动、液体声流场、转子半径等因素的关系进行了分析。
Thus, the relationship between the rotating speed of the motor and some factors, such as the ultrasonic vibration of the stator, the fluid acoustic streaming field and the rotor radius, etc.
准确计算定子模态和固有频率是降低电机噪声和振动的基础。
Calculation of the stator modal frequencies of an electrical machine accurately is the base of reducing acoustic noise and vibration.
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.
电机定子的振动特性对于电机噪声有很大影响。
The vibration behaviour of motor stator has a great influence on the motor noise.
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.
通过噪声和振动实验验证该定子过渡曲线优于目前刚性转子式叶片泵的过渡曲线,对研制高性能刚性转子式叶片泵结构理论有参考价值。
The noise and vibration tests show that this transitional curve is better than normal ones, which provides the reference for studying high performance rigid rotator model vane pump.
预测电机的振动和噪声需准确计算电机定子结构的固有频率及定子的响应特性。
Accurate calculation of the stator natural frequencies and harmonic response of an electrical machine is essential to the prediction of acoustic noise and vibration.
计算电磁力时,考虑了定子铁心的径向振动位移对电磁力的影响。
While calculating the electromagnetic forces, the effect of the radial vibration displacements of stator core on the electromagnetic forces is taked into account.
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.
采用正交各向异性叠层复合材料加筋圆锥壳模型,对大型汽轮发电机定子端部绕组整体结构的固有振动问题进行了研究。
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.
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.
绘制出定子一阶弯曲振动时振型函数与应变曲线,得出压电陶瓷片位于定子一阶弯曲振动波腹处为最佳贴片方式。
The curves of vibration and strain under the 1st flexural vibration mode are illustrated. It is educed that sticking PZT pieces on the peak of vibration is the optimal method to stick PZT pieces.
绘制出定子一阶弯曲振动时振型函数与应变曲线,得出压电陶瓷片位于定子一阶弯曲振动波腹处为最佳贴片方式。
The curves of vibration and strain under the 1st flexural vibration mode are illustrated. It is educed that sticking PZT pieces on the peak of vibration is the optimal method to stick PZT pieces.
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