重型车辆液力缓速器设计与计算关键技术研究  

Research on Key Technology of Design and Calculation for Heavy Vehicle Hydrodynamic Retarder

作　　者：刘春宝[1,2] 盛闯 葛林杉 李雪松[2] LIU Chun-bao;SHENG Chuang;GE Lin-shan;LI Xue-song(School of Mechanical Science and Engineering, Jilin University, Changchun 130022, China;State Key Laboratory of Automobile Simulation and Control, Jilin University, Changchun 130022, China)

机构地区：[1]吉林大学机械科学与工程学院,吉林长春130022 [2]吉林大学仿真与控制国家重点实验室,吉林长春130022

出　　处：《液压气动与密封》2018年第1期30-34,共5页Hydraulics Pneumatics & Seals

基　　金：吉林省重点科技攻关项目(20170204066GX)

摘　　要：该文以液力缓速器为研究对象,进行了液力缓速器全充液以及气液两相非稳态流场的CFD数值计算,并对典型工况下流场计算结果进行了分析;研究了主要结构参数对缓速器制动性能的影响;利用AMESim对液力缓速器电液控制系统进行了仿真,并对动态充油过程进行了性能分析;该文研究工作涵盖了部分重型车辆液力缓速器设计与计算关键技术。To design or optimize a hydrodynamic retarder,the CFD numerical calculation of the full fluid filling and the gas-liquid twophase unsteady flow field was carried out.The results under typical working conditions were analyzed.The effect of main structure parameters on the braking torque was studied.The electro-hydraulic control system was simulated using AMESim and the dynamic process of oil filling was studied.The research work in this paper covered the partial key technologies of the design and calculation of hydrodynamic retarder.

关 键 词：液力缓速器 数值计算 结构参数 电液控制 

分 类 号：TH137[机械工程—机械制造及自动化]