1) passive dynamic absorbers
被动动力减振器
1.
Unified optimizing design formulas for controlling fluctuation wind-induced swaying-torsional vibration response of tall buidings by using five kinds of passive dynamic absorbers;
应用5种被动动力减振器时高层建筑侧移-扭转脉动风振反应控制优化设计的统一公式
2) passive dampers
被动减振器
1.
The random wind-induced response and the equivalent static wind action of tall buildings with five sorts of passive dampers are studied.
该文对带五种被动减振器的高层建筑的随机风振响应和等效静态设计风载取值进行了研究。
3) nonlinear passive dynamic absorbers
非线性被动动力减振器
1.
On the basis of the equivalent principle,for two controlled structure systems which have equal wind-induced vibration responses,the equivalent equations can be established and according to that,the equivalent equations between nonlinear passive dynamic absorbers-structure system and TMD-structure systems are proposed,from which the parameters of equivalent TMD are obtained.
以两个被控结构风振反应的控制效果相等为原则 ,本文建立了非线性被动动力减振器对高耸结构脉动风振反应控制的等效TMD方法。
4) passive vibration isolation
被动减振
1.
The paper provides a principle analysis of the passive vibration isolator using zero dynamic stiffness,which demonstrates the vibration in the low frequency range is available based on the zero dynamic stiffness principle and the method of passive vibration isolation.
论文给出了零动态刚度被动减振系统的理论分析,论证了基于零动态刚度原理和利用被动减振的方法,可实现低频频率范围内的减振。
5) dynamic vibration absorber
动力减振器
1.
A research is conducted on application of dynamic vibration absorber for controlling hoist motor vibration during its rotary speed variation.
针对起重机系统电机变速过程引发的振动问题,应用单个动力减振器进行控制。
2.
This report put forward an idea of self adapting dynamic vibration absorber for reducing inevitable twist vibration of a shaft with variable rotation speed, and presents a theoretical analysis of the principle of such absorber.
本文提出了一种新型扭振动力减振器的设计原理。
6) dynamic damper
动力减振器;动力减震器
补充资料:动力机械:内燃机动力学
研究内燃机运转中的力学现象的科学。其主要任务是研究分析内燃机运转时各主要零件的运动规律及其受力情况﹐用以作为内燃机零件设计﹑计算的依据。它还研究这些力对内燃机动力装置的影响及其消减方法。内燃机动力学的主要内容为曲柄连杆机构运动学﹑曲柄连杆机构动力学和内燃机平衡分析等。
曲柄连杆机构运动学 研究曲柄﹑连杆﹐尤其是活塞的运动规律。活塞作周期性往复运动时的位移、速度和加速度可用下述各式近似求算
式中为曲轴转角﹔ 为曲轴旋转角速度﹔为曲柄半径﹔为曲柄半径 与连杆长度之比﹐即 = /
曲柄作回转运动﹐连杆作复杂的平面运动。连杆的运动往往被简化分解为随活塞组的往复运动和随同曲柄的旋转运动。
曲柄连杆机构动力学 研究分析曲柄连杆机构(见曲柄滑块机构)在运动中力的生成﹑传递和输出。作用在曲柄连杆机构上的力有曲柄连杆机构运动时产生的往复惯性力和离心惯性力﹐以及内燃机气缸内的气体压力。
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