1) dynamic damping
动态阻尼
1.
The test stand was used to examine the dynamic damping behaviour of the tyre in the speed range 0~5 km/h.
测量了轮胎的切向动态刚度和阻尼,回归出轮胎切向动态阻尼半经验公式。
2) dynamic torsional damping
扭转动态阻尼
1.
A kind of primary idea on surveying dynamic torsional damping aluminum cable steel reinforced;
测量钢芯铝绞线的扭转动态阻尼的初步设想
3) dynamic damping coefficient
动态阻尼系数
1.
Experimental results indicate that the perturbation frequency exerts significant effects on the dynamic stiffness and dynamic damping coefficients of gas-lubricated bearings.
计算结果表明,动压气体轴承的动态刚度系数随着扰动频率的增大而增大,动态阻尼系数随着扰动频率的增大而减小。
4) mode aerodynamic damping ratio
模态气动阻尼比
1.
Based on the theory of aerodynamic damping,the appropriate damping model was established;with the help of moving meshes technology and in combination with the equation of equivalent mode aerodynamic damping ratio,the weakly coupled method was applied.
从气动阻尼产生的机理出发,建立合理的气动阻尼模型;利用动网格技术,结合等效模态气动阻尼比的计算式,以Rotor37跨声叶栅为例,用弱耦合方法数值计算得到一弯、一扭与弯扭耦合模态的气动阻尼比,并考虑流场压力水平及叶片振幅对气动阻尼的影响。
5) modal damping
模态阻尼
1.
FRP laminates modal damping prediction based on 3-D effective damping matrix;
基于有效三维损耗矩阵的复合材料层合板模态阻尼预测
2.
The complex torque coefficient method and eigenvalue analysis are two main methods for analyzing the modal damping of subsynchronous resonance (SSR) in compensated transmission systems.
串补输电系统中次同步谐振的模态阻尼分析主要采用复转矩系数法和特征根分析方法,但都需要复杂建模,且只能从大量计算结果中得到次同步谐振发生的规律,不能给出直观的机理解释。
3.
A modal damping optimization method for general damped structures is developed in this paper.
研究了一般阻尼结构的模态阻尼优化设计方法。
6) mode damping
模态阻尼
1.
The influence of HVDC converter controls on the mode damping of sub-synchronous oscillations (SSO) in a AC/DC power system is investigated in this paper by using eigenvalue analytical method.
采用特征值分析法研究交直流电力系统中HVDC换流器控制对次同步振荡(SSO)模态阻尼的影响。
2.
On the point of view that the mode damping of generators is due to the mutual damping, a calculation method to change mode damping to mutual damping coefficients is proposed to study the torsional oscillation phenomena of turbine-generators.
把发电机组的模态阻尼看成是由互阻尼产生的,提出一种将模态阻尼转换成互阻尼系数的计算方法来研究发电机组的轴系扭振现象。
补充资料:单位阻尼能
分子式:
CAS号:
性质:变形周期中损失的能量与材料体积之比。亦称之为单位阻尼能。高分子材料具有黏弹性,发生变形时不是完全的弹性变形,而伴随着发生塑性变形。在发生塑性变形时,由于分子间或晶面间的滑移,摩擦生热等耗去了能量,因此不能使原加的能量完全以形变能贮存,并在恢复过程中释放。失去的那部分能量就属于能量损耗。正确了解这一点,就可以根据不同用途来进行选材,也对新材料的研究起指导作用。
CAS号:
性质:变形周期中损失的能量与材料体积之比。亦称之为单位阻尼能。高分子材料具有黏弹性,发生变形时不是完全的弹性变形,而伴随着发生塑性变形。在发生塑性变形时,由于分子间或晶面间的滑移,摩擦生热等耗去了能量,因此不能使原加的能量完全以形变能贮存,并在恢复过程中释放。失去的那部分能量就属于能量损耗。正确了解这一点,就可以根据不同用途来进行选材,也对新材料的研究起指导作用。
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