车辆减振器设计参数对其温升的影响规律  

Research on Influence Rules of Design Parameters of Vehicular Shock Absorber on Its Temperature Rising

作　　者：么鸣涛[1] 顾亮[1] 王国丽[1] 

机构地区：[1]北京理工大学机械与车辆学院,北京100081

出　　处：《机械设计与研究》2010年第5期109-113,共5页Machine Design And Research

基　　金：部级装备预先研究基金资助项目(1030020220707)

摘　　要：基于双筒液压充气减振器的工作原理、阀系结构和设计参数,应用传热学公式推导其导热、对流换热及辐射换热方程,通过能量守恒定律建立减振器热力学模型。计算出此减振器达到热平衡时的温度和工作时间,仿真分析了减振器传热长度、工作缸及贮油缸内外径尺寸对其温升的影响规律。该模型可为研究减振器可靠性设计提供参考。Based on the working principle of the twin-tube hydraulic gas-charged shock absorber the valve system structure and the design parameters,the equations of heat conduction,heat convection,as well as radiation heat transfer were derived with some heat transfer formulas,moreover its thermodynamic model was established by using the rule of energy conservation. The temperature and the work time when the shock absorber had reached the thermal equilibrium were calculated,and the effects of heat transfer length,the size of inner and outer diameters of working and storage cylinders on its temperature rising were analyzed by simulating. The suggested model can be used to provide references for the study of reliability design of the shock absorber.

关 键 词：减振器 热力学模型 热平衡 设计参数 

分 类 号：TH703.63[机械工程—仪器科学与技术]