查询词典 damping

The specific contents are as follows:Firstly, the causes of energy balance method result has some errors is analyzed. Then energy balance method is improved from the following aspects: the wind power input, the conductor self-damping, the damper dissipated power and vibration solution of Stockbridge dampers-conductor coupling system. So that improved energy balance method can consider more influential factors to enhance accuracy.

本文对输电线的微风振动控制和次档距振荡进行了多方面的研究，主要包括能量平衡法的改进、防振锤-输电线耦合系统的振动求解、阻尼线的耗能计算理论、微风振动的室内模拟试验、分裂导线微风振动的精细计算理论、多分裂导线的最大次档距和阻尼间隔棒优化布置等几部分，具体如下：首先分析了微风振动传统计算方法能量平衡法计算误差较大的原因，分别从风能输入功率、输电线自阻尼功率、防振锤消耗功率、输电线-防振锤耦合体系的振动求解等方面，对能量平衡法进行了改进，使能量平衡法可以考虑更多的影响因素以提高求解精度。

The results indicate that superelastic TiNi shape memory alloy bars have the characteristics of high energy dissipation and damping property, so they are suitable for engineering vibration control.

结果表明：超弹性TiNi形状记忆合金棒材具有良好的耗能能力及阻尼性能，可满足工程结构振动控制的需要。

The main problem that superelastic SMA was used in random vibration control is its deficient damping capacity.

超弹性 SMA 作为减振材料具有承载能力高，可恢复变形大，环境适应能力强的优点，但对于随机载荷下的减振，阻尼性能欠佳。

Finally, the design method of the technology of SMA superelastic damping for structural vibration control is put forward, based on the sum-up of the design and research work of the SMA superelastic vibration energy dissipation devices in the paper.

最后本文在总结形状记忆合金超弹性阻尼减震装置的设计和研究工作的基础上，提出了形状记忆合金超弹性阻尼减震技术用于工程结构振动控制的设计思路和设计方法。

A new type of shape memory alloy damper was proposed by utilizing both the high damping and recentring features of superelastic SMA wire.

利用奥氏体SMA丝的超弹性和阻尼特性，设计了一种新型的SMA阻尼器，试验研究了该阻尼器在循环荷载作用下的力学性能，建立了基于塑性理论的一维理论模型，并对其力学性能进行了数值模拟。

Many properties of medium, such as the dispersion relation and non- linear Landau damping, are closely related with this characteristic quantity. Taking into account the contribution of color field self-interaction, by decomposing the quan- tities in the equations into regular and fluctuation parts, then iterating the fluctuation parts according to the weak field, the color permittivity including the color field self- interaction is obtained.

本文计及非阿贝尔自作用项的贡献，利用把方程中的相关量分成正规项和涨落项的方法，按弱场迭代求解色动力学方程，得到了包含自作用贡献的非线性介电容率。

Under the condition of knowing trolly"s relation datas, the wire rop-load modle taking its load as the study object, using D"Alembert"s Principle and Hybrid method, solves out the mathematical expression of wire rop"s traction while settig the hiost speed; The elctronic motor-drum modle"s build up is attracted to the elctronic motor"s torque, and combines with the wire rop traction"s role on drum, only pay attation to the coupling"s flexibility and damping, which is between the elctronic motor and the reducer. The theory of transmission equations establishment is in Project Vibration.

钢丝绳—吊重模型是在小车运行机构的相关数据均已知的情况下，以吊重为研究对象，利用达朗伯原理和动静法，在假定起升速度已知后求解出钢丝绳牵引力的表达式；电动机到卷筒部分的模型则是建立在电动机输入转矩形式已知的基础上，结合钢丝绳牵引力作用在卷筒上的工作阻力矩，只考虑电动机与减速箱之间的联轴器的弹性阻尼，利用工程振动原理建立传动方程。

A turnable damping was designed , and based on these, the road tests were done, analytical study on vibration performances of passenger seat were carried out, and the results were accordant.

在可调减振器的设计基础上，分别对车辆阻尼优化前后进行了试验，分析了车身与驾驶员座椅处的振动特性，计算与试验基本吻合。

According to the models, its contact mechanics characteristics are analyzed and the values of dynamic load, stiffness and damping are found to be unconstant and periodically variable with rotation of the bearing.

表明圆柱滚子轴承的动态负荷、动态刚度和动态阻尼不是恒定值，而是随轴承的转动周期性变化。

It is found thatthere exist three modes in a magnetized, homogeneous, and collisional dusty plasma:the wholly damped mode due to the thermal diffusion, damped electrostatic dustacoustic wave, and damped electrostatic dust cyclotron wavediscovered by the dissertation for the first time; As neutral gas pressure increases,the damping rates of the EDA and EDC waves increase; The effects of dust densityon the EDA and EDC waves are remarkably different from unmagnetized orcollisionless plasma; A possible explanation to plasma crystallization is suggestedon the basis of the present results.

EDA的阻尼速度随中性气体压强的增大而增大，这一点与实验相符，对于EDC也存在同样的关系。尘粒密度对EDA波和EDC波的影响明显不同于非磁化或者无碰撞尘埃等离子体中的情况。当忽略碰撞时，阻尼的EDA和EDC波回到纯振荡波。最后就尘埃等离子体晶化给出了一个可能的解释。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。