发动机冷却系统仿真计算分析  

Engine Cooling System Simulation Analysis

作　　者：赵宏霞 张华磊 任小龙[1] 屈光洪[1] Zhao Hongxia;Zhang Hualei;Ren Xiaolong;Qu Guanghong(Beijing Polytechnic,Automotive engineering institute,Beijing 100176)

机构地区：[1]北京电子科技职业学院汽车工程学院,北京100176

出　　处：《汽车实用技术》2020年第16期143-145,共3页Automobile Applied Technology

摘　　要：文章针对某型号国Ⅴ柴油机,应用Flowmaster软件建立发动机一维冷却系统模型,输入各元件流阻特性等边界条件,完成发动机冷却系统不同工况下的系统稳态模拟计算,得到系统和各元件的流量、压力分布和温升等情况,并对冷却系统工作能力进行预测、评价,根据计算分析结果提出改善建议,指导冷却系统的结构设计及试验,大大缩短研发时间,降低研发成本。The Article Based on a type of Ⅴ diesel engine, apply Flowmaster to built 1 D model of the cooling system, input each element’s boundary conditions such as flow resistance characteristics, to complete steady-state simulation of engine cooling system under different working conditions, get the distribution of flow rate, pressure and temperature etc., to forecast and evaluation the working ability of the cooling system, provide improvement suggestions according to the result of calculation and analysis, and to guide the structure of the cooling system design and experiment, shorten the development time, reduce research costs.

关 键 词：冷却系统 流阻特性 稳态 仿真分析 

分 类 号：U464.138[机械工程—车辆工程]