Fifth-octave mode chatter is most likely to occur in the form of self-excited steady vibration.
轧机第五倍频程颤振表现为高频微幅的自激稳态振动。
The circuit topology and fundamentals of self-excited controllable saturated reactors are briefly introduced.
简要介绍自励式可控饱和电抗器的电路、结构和特性。
This paper introduces a simple and cheap load test equipment—asynchronous generator self-excited by the capacitor.
主要分析和介绍一种相对简单、便宜的作为试验负载设备用的电容自励异步发电机负载设备。
The micro crack behavior in ice is the key factor for describing and explaining ice-induced self-excited vibration.
冰内部的微裂纹行为是解释与描述冰致自激振动的关键要素。
Numerical solutions denote that the amplitude of the self-excited torsional vibration is related to the initial slip rate.
数值计算表明,自激振动的振幅与初始滑转率相关。
Then transition velocity of self-excited vibration and continuous crushing is got bu the model of saw-tooth force function.
最后,根据锯齿型冰力模型得出自激振动与连续挤压破坏发生的转变速率。
The formation of fluid dynamic force and the occurrence of self-excited vibration and oil film vortex of rotor system are analyzed.
分析了转子轴承系统中流体动态力的形成和自激振动的产生与油膜涡动、油膜振荡的故障。
Considering the characteristics of PLL, the dual self-excited driving circuits for capacitance micro-machined gyroscope are designed.
结合锁相环的特性,设计一种电容式微机械陀螺双环路自激驱动电路。
In order to further investigate the mechanism and build model of self-excited vibration, it is necessary to study the mechanism of DBT.
为了明确自激振动的产生机理,建立力学模型,必须研究韧脆转变机制。
A number of self-excited resonant pulse jet nozzles for deep hole bits were designed on the basis of theoretical analysis and experimental results.
在理论和实验研究的基础上,设计了几种用于牙轮钻头的自激振荡脉冲喷嘴,在常压下进行了射流脉冲压力测试和冲蚀天然红砂岩的实验。
The cause of severe vibration is the formation of a self-excited vibrating system by the joint of the gap jet and turbulent flow downstream the gate.
闸门产生强烈振动的主要原因是闸门侧缝射流和下游紊动水流汇合后在门侧形成了自激振荡系统的结果。
There is increasing evidence of the self-excited mechanism in ice-induced structural vibration both from the field measurements and laboratory tests.
用自激振动理论说明由冰引起的结构振动现象已得到越来越多的现场测试和模型实验的印证。
As high speed operation amplifier AD713 is example, self-excited oscillation is tested, phase compensate network is offered and the result is stable.
文中针对一种高速运算放大器ad713的自激进行了测试,并且通过相位滞后补偿网络消除自激振荡,工作稳定。
The physical model of airlift is given in this paper. The feasibility of the self-excited oscillation pulsed jet as breaker of the airlift is researched.
研究了气举的物理模型,探讨了自激振荡脉冲射流作为气举装置破碎器的可行性。
The paper deals with a self-excited, regulated switching power supply and particularly its principle and the function of each part are discussed in detail.
介绍了一种自激式开关稳压电源设计,详细说明了开关电源的工作原理及各部分的功能。
A thorough analysis is presented on the one point grounding problems existing in the silicon controlled excitation systems for the self-excited generators.
对自并励发电机可控硅励磁系统一点接地的问题进行了详细的分析,为判别接地提供参考。
Analysis of the mechanism of coal breaking by self-excited vibration water-jet; discussion on the influence of several parameters on pulverizing efficiency.
分析了自激振荡水射流超细粉碎系统对煤粉颗粒的粉碎机理,讨论了影响粉碎效率的几种因素。
Previous studies have demonstrated that self-excited vibration occurred during the ice speed at which ice fails in ductile-to-brittle transition (DBT) range.
分析表明,冰致平台自激振动发生在冰的韧脆转变的冰速范围内。
Finally, the models of non-self-excited pulsed nozzle and self-excited pulsed nozzle of rotating jet mixer are established for flow field numerical simulation.
最后,建立非自激脉冲喷嘴与自激脉冲喷嘴实体模型,对旋转射流搅拌器喷嘴内部流场进行数值模拟。
In this paper, the sufficient condition for self-excited oscillation of dynamic systems with gap is given by using qualitative method of differential equations.
本文应用微分方程的定性方法,给出具有间隙动力系统产生自激振动的一个充分条件。
This paper briefly introduces the structure and principle of a new system of self-excited oscillations, which is a magnetic pendulum with swing-controlled switch.
本文将对一种新的自激振动系统,即带有摆控开关的磁力摆的结构、原理及实验结果作一扼要的介绍和讨论。
Numerical simulation results of Rijke tubes, pulsating without forced triggering, agree with actual conditions of Rijke tubes acting as self-excited thermal-sonic devices.
在无外加强制作用下实现里克管脉动工况数值模拟,与里克管作为自激热声装置的实际情况一致。
Under the values of given self-excited capacitors, rotor speeds and loads, the external characteristics are obtained by calculating the magnetizing reactance and frequency.
在给定自激电容、转速和负载的情况下,通过计算激磁电抗与输出频率,进而得到外特性。
The exact solution of linear, undamped forced vibration response is developed, and the damped forced vibration as well as the self-excited oscillation are obtained numerically.
推导了弹性轴向行进索无阻尼线性受迫振动解,用数值方法求得有阻尼行进索受迫振动和自激振动响应。
In the paper, the phase theory and amplitude theory of self-excited driving circuits for micro-gyroscope are analyzed based on mastering the work principles of micro-gyroscope.
在掌握微陀螺原理基础上,本论文对微陀螺自激驱动环路相位理论和幅度理论进行分析。
Surging of all kinds of startup mode to the set is contrasted by analyzing. As economy character is considered, the half self-excited startup is choosed as the best startup mode.
通过分析对比了各种启动方式对装置造成的冲击,并在考虑经济性的基础上选择半自励启动为最佳启动方式。
The conceptions of balance point, limited cycle and their stability are introduced as the basis of the author's discussion on the properties and mechanism of self-excited vibration.
引入平衡点、极限环及其稳定性的概念,以此为基础我们讨论自激振动的特点和机制。
At last, it is put forward that the severe self-excited torsional vibration due to any range of initial slip rate can be avoided by increasing the torsional damping of the driveline.
最后,提出通过增加传动系扭转阻尼来防止在任何初始滑转率下发生剧烈的扭转自激振动的措施。
At last, it is put forward that the severe self-excited torsional vibration due to any range of initial slip rate can be avoided by increasing the torsional damping of the driveline.
最后,提出通过增加传动系扭转阻尼来防止在任何初始滑转率下发生剧烈的扭转自激振动的措施。
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