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- Effects of the Perturbation Frequency on the Dynamic Stiffness and Dynamic Damping Coefficients of Aerodynamic Bearings 扰动频率对动压气体轴承动态刚度和阻尼系数的影响
- Dynamic damping coefficients 动态阻尼系数
- dynamic damping coefficient 动态阻尼系数
- Based on the basic theory of structural dynamics,the determination of damping coefficients of pavement materials and its influence on the dynamic deflection of asphalt pavement were studied. 基于结构动力学基本理论,系统地分析了路面材料阻尼系数的求解方法,以及材料阻尼效应对路表动态弯沉的影响规律。
- The result shows that when the damping coefficients are smaller, the stress rate decreases faster and EDR becomes higher, and vice verse. 并且发现当阻尼项组成律之系数值越小,则应力松弛衰竭速度越快,能量消散率则越大,反之亦然。
- Two kinds of concrete specimens, one is crumb rubber concrete( CRC) and the other is controlled concrete, are tested as a cantilever beam for measuring their damping coefficients by the free attenuation method. 本文采用自由衰减法,对两组橡胶集料混凝土及普通混凝土小型悬臂梁的阻尼比进行了测定。
- Based on the shear theory of Newtonian viscous liquid, the fusible damp coefficient is established for electromagnetism dynamic polymer Extruder screw s axial vibration system. 对聚合物电磁动态塑化挤出机螺杆轴向振动系统,根据牛顿型粘性流体的剪切理论,确定了聚合物熔体的阻尼系统。
- In view of complex nature of the stiffness and damping of large power transformer winding, a new method used to modify the stiffness and damping coefficients of large power transformer winding is presented in this paper. 摘要鉴于变压器绕组刚度及阻尼特性的复杂性,提出了一种确定变压器绕组刚度系数的新方法。
- linear stiffness and damping coefficients 线性刚度和阻尼系数
- In addition, radial displacement attenuates with the increaseof viscous damping coefficient. 粘滞阻尼系数越大径向位移幅值衰减越快。
- In this paper, the authors analyse and compare the vibration-absorbing pefor-mance for the damped dynamic damper and the undamped dynamic damper. 本文对阻尼吸振器及无阻尼吸振器的吸振性能作了分析与比较;
- Appropriate damping clearances are formed by changing inner diameter of the cylinder, which makes that damping coefficient varies with displacement. 通过改变阻尼器缸体内径形成合理的阻尼通道间隙,使阻尼系数具有随位移改变而变化的特性。
- In this paper, the absorber vibration property of damped dynamic damper and undamped dynamic damper are analysed and compared. 本文对阻尼吸振器及无阻尼吸振器的吸振性能作了分析与比较。
- Each one of the MTMD possesses the same stiffness and damping coefficient but unequal mass. MTMD具有相同的刚度和阻尼系数但不同的质量。
- From the simple linear model, both stiffness constant and damping coefficient were increased in the stroke patients with spasticity. 由简单线性模型估计所得之刚性系数和组尼系数在中风痉挛患者皆升高。
- The amplitude of ship seismic wave varies with the frequency of point source, absorption coefficient of seafloor and damp coefficient of seabed terrane. 声源频率、海底吸声系数和海底基岩阻尼系数对舰船海底地震波信号均有影响。
- It has been demonstrated that the MTMD with the identical stiffness and damping coefficient but unequal mass provides better effectiveness and higher robustness. 刚度和阻尼保持常量但质量变化形成的MTMD模型能够提供更好的有效性和鲁棒性。
- Theoretical and experimental data indicate that using a dynamic damped absorber can reduce largely the resonant transmissibilities of gyros, and improve the ability of withstanding random vibration. 理论和实验数据表明,在动调陀螺轴系上附加有阻尼的动力吸振器,可以大幅度地降低仪表谐振时的振动放大量级,改善仪表的振动特性,提高其抗随机振动能力。
- ANALYSIS OF THE DYNAMIC DAMPING TORQUE FOR SYNCHRONOUS MACHINES 同步发电机的动态阻尼力矩分析
- Identification for Nonlinear Ship Roll Damping Coefficients 船舶横摇非线性阻尼系数识别