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equivalent damping coefficient
相关语句
  等效阻尼系数
    And carried out a fitting in calculation on its equivalent damping coefficient by way of primitive characteristics of hydraulic torque converter, the quantitative relationship among the non-linear equivalent damping coefficients with the speed ratio of turbine and pump wheel and with the rotation speed of pump wheel was obtained.
    再通过液力变矩器原始特性对其等效阻尼系数进行拟合计算 ,得出了液力变矩器非线性等效阻尼系数与涡轮、泵轮速比及泵轮转速的定量关系。
短句来源
  等效阻尼系数
    And carried out a fitting in calculation on its equivalent damping coefficient by way of primitive characteristics of hydraulic torque converter, the quantitative relationship among the non-linear equivalent damping coefficients with the speed ratio of turbine and pump wheel and with the rotation speed of pump wheel was obtained.
    再通过液力变矩器原始特性对其等效阻尼系数进行拟合计算 ,得出了液力变矩器非线性等效阻尼系数与涡轮、泵轮速比及泵轮转速的定量关系。
短句来源
  等效阻尼系数
    And carried out a fitting in calculation on its equivalent damping coefficient by way of primitive characteristics of hydraulic torque converter, the quantitative relationship among the non-linear equivalent damping coefficients with the speed ratio of turbine and pump wheel and with the rotation speed of pump wheel was obtained.
    再通过液力变矩器原始特性对其等效阻尼系数进行拟合计算 ,得出了液力变矩器非线性等效阻尼系数与涡轮、泵轮速比及泵轮转速的定量关系。
短句来源
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  equivalent damping coefficient
Figure 18 provides the hysteric area and the equivalent damping coefficient for the frame with flat-plate-type BRBs and the cross-type BRBs.
      


This paper describes the method and process by which dynamic parameters of the spindle-case system of lathe are identified. An experiment on unconstrained (free) steady-state excitation has been made for the system mentioned by means of a transfer function analysis instrument, and impedance figure has been plotted. According to the impedance figure, mechanical and mathematical models of the structural system are established, and the accuracy of the mathematical model is verified. Based on the experimental-results,...

This paper describes the method and process by which dynamic parameters of the spindle-case system of lathe are identified. An experiment on unconstrained (free) steady-state excitation has been made for the system mentioned by means of a transfer function analysis instrument, and impedance figure has been plotted. According to the impedance figure, mechanical and mathematical models of the structural system are established, and the accuracy of the mathematical model is verified. Based on the experimental-results, the structural system is simlified as a mechanical model involving three masses, three springs and two dashpots. In this paper the contact stiffnesses and impedances between the rotors of the front and the rear bearings of the spindle, the inner and the outer rings, as well as the contact stiffnesses and impedances between the inner and the outer rings of the bearings and the spindle-case are simplified to equivalent spring stiffnesses and equivalent dampings. The equivalent stiffness coefficients and the equivalent damping coefficients of their supports are determined quantitatively.

本文介绍车床主轴——箱体系统的动态参数识别方法及过程。作者用传递函数分析装置对上述系统进行了无约束(自由)的稳态激励试验、绘制了阻抗图。根据阻抗图建立了结构系统的力学和数学模型,并对此数学模型的可靠性进行了验证。在试验的基础上对结构系统进行了简化,简化后的力学模型由三个质量、三个弹簧、两个阻尼元件组成。本文在分析研究过程中将主轴前、后轴承的滚动体与内、外环的接触刚度和轴承内、外环分别与主轴和箱体之间的接触刚度和阻尼简化为一等效弹簧刚度和等效阻尼,并对上述系统前、后支承的等效刚度和等效阻尼系数进行了定量分析。

A performance analysis model of the gas lubricated compliant multileaf journal bearing of the high-speed rotor for air cycle machine of aircraft environmental control system has been established.In the analysis,the differential method is used to solve the compressible Reynolds equation,which governs the airflow in the journal bearing.The solution is coupled with the load deflection equations of the leaves to obtain such information as minimum film thickness, the stiffness coefficients,and the equivalent...

A performance analysis model of the gas lubricated compliant multileaf journal bearing of the high-speed rotor for air cycle machine of aircraft environmental control system has been established.In the analysis,the differential method is used to solve the compressible Reynolds equation,which governs the airflow in the journal bearing.The solution is coupled with the load deflection equations of the leaves to obtain such information as minimum film thickness, the stiffness coefficients,and the equivalent damping coefficients.The graphical solutions are provided for a range of relevant geometric and operational parameters.The journal bearing has good stability in all range of eccentricity ratios and all possible operating speeds.

本文建立了悬臂式挠性薄片气体动压径向轴承的特性分析计算方法,用差分方法耦合求解径向轴承的雷诺方程和薄片弹性变形方程。给出了径向轴承刚度、阻尼的计算方法和稳定性计算方法。计算分析了设计的悬臂式薄片气体动压径向轴承的静特性和动特性。计算结果表明,对于所有的偏心率范围和可能的工作运行范围内是恒定稳定的。

Based on the establishment of model of hydraulic torque converter and according to conservation of energy, the formulae of equivalent viscosity damping coefficient of hydraulic torque converter were derived and analyzed. And carried out a fitting in calculation on its equivalent damping coefficient by way of primitive characteristics of hydraulic torque converter, the quantitative relationship among the non-linear equivalent damping coefficients with the speed ratio of turbine and pump wheel and...

Based on the establishment of model of hydraulic torque converter and according to conservation of energy, the formulae of equivalent viscosity damping coefficient of hydraulic torque converter were derived and analyzed. And carried out a fitting in calculation on its equivalent damping coefficient by way of primitive characteristics of hydraulic torque converter, the quantitative relationship among the non-linear equivalent damping coefficients with the speed ratio of turbine and pump wheel and with the rotation speed of pump wheel was obtained. At the same time, through mechanical analysis of torque converter, the quantitative non-linear relationship between the assumed equivalent rigidity and speed ratio of hydraulic torque converter and the rotation speed of pump wheel was derived.

在建立液力变矩器的模型基础上 ,根据能量守恒进行分析、并推导出液力变矩器的等效粘性阻尼系数公式。再通过液力变矩器原始特性对其等效阻尼系数进行拟合计算 ,得出了液力变矩器非线性等效阻尼系数与涡轮、泵轮速比及泵轮转速的定量关系。同时通过变矩器的力学分析 ,推导出液力变矩器的假设的等效刚度与速比和泵轮转速的定量非线性关系

 
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