- oil film rigidity
- oil film stiffness
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油膜刚度的英文
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- Oil film stiffness
油膜刚度 - The synthetical stiffness of ball bearings is obtained by combination the contact stiffness with the oil film stiffness . the concept and the calculation menthod of the equivalent stiffness are presented in this paper
将油膜刚度和接触刚度组合,推导了滚动轴承的综合刚度,提出了滚动轴承等效刚度的概念和计算方法。 - On the other hand , the quasi - dynamic method has advantages in calculational efficiency . ( 2 ) the minimum oil film thickness and oil film stiffness characteristics of ball bearings are studied by the elastohydrodynamic lubrication theory
( 2 )基于弹流润滑理论,研究了滚动轴承的最小油膜厚度和油膜刚度特性,分析了不同载荷参数对它们的影响规律。 - Fist ly , use mass equivalent method to predigest the original rotor system . secondly , use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language . thirdly . finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic . fourthly , answer to the high vibration of uncontroled system when cross the critical speed , come out to adopt changing clearance damper bearing to control the viberation
本文对多柔盘转子-支承系统的振动现象做了以下初步探索：用质量离散化方法把原转子系统简化；采用matlab语言编制了对传递矩阵法计算多柔盘转子-支承系统的临界转速；用matlab语言对riccati传递矩阵法和有限元法编制了程序计算系统的不平衡响应；并针对其过临界转速时振动较大的现象，提出采用变间隙控制油膜刚度和阻尼，从而使原系统的在特定转速(临界转速)的一段范围内不平衡响应减小；并从被动控制与主动控制两方面进行数值仿真，取的了较好的控制效果。 - By application navier - stokes equations under the sphere coordinate , the calculation formula of the support load of the oil film of the ball joint coupling based on hydrostatic bearing . support property equation of this ball joint coupling was set up . at same time , the formula of the oil film stiffness was established
运用球坐标系下的纳维-斯拖克斯方程组推导出静压支承球铰副油膜支承反力的求解公式，给出了静压支承球铰副油膜支承特性方程，得出了静压支承球铰副油膜刚度计算公式； 4