1、

Based on the temperature-viscosity characteristics of the fluid, the interaction effect of the fluid damping force and the fluid temperature is studied. And the thermodynamic equation of the damper, which includes a heat balance equation, is established.

根据流体的粘温特性,考虑流体温度与阻尼力之间的相互作用,在动力学方程的基础上附加流体阻尼器的热平衡方程,建立流体阻尼器的热动力学模型。

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2、

Theoretical analysis, onboard test and bench test show that this phenomenon is determined by natural blast torque after throw-out of marine fluid coupling as well as damping torque of shafting.

理论分析、码头试验及台架试验表明,该现象是由液力偶合器固有的脱排鼓风转矩与轴系阻尼转矩大小决定的。

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3、
4、

Research of the Application of Fluid Film Damping Technology in Spindle System of Machine Tool

油膜阻尼技术在机床主轴系统中的应用研究

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5、

When a structure vibrates in water, large amount of computation will be unavoidable if the fluid finite element method is used to calculate the added water mass matrix and damping matrix.

当结构在静水中振动时,如采用流体有限元来计算流体的附加质量和附加阻尼,势必导致解题规模过大。

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6、

Large fluid viscosity or low permeability ( High couple damping coefficient) make the shift to high frequencies of the main dispersion frequency range, and the attenuation coefficient knee points for the different frequency dependence, which represents the relaxation frequency movement to high frequencies.

高粘性流体和低骨架渗透率(高的固流耦合衰减系数)使得主要频散发生的频率范围,和衰减系数出现不同频率响应特征的鞍点向高频移动,这反映松弛频率向高频段移动。

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