车用内燃机冷却系统动态传热模型

A Dynamic Simulation Model for Cooling System of Vehicle Internal Combustion Engine

提出了一个基于集总参数法的车用内燃机冷却系统动态传热模型。考虑了内燃机燃烧室、散热器和水泵的传热和冷却系统的工作,建立了机体、散热器、水泵与冷却介质之间的热耦合计算公式。对一台单缸柴油机冷却系的稳态及动态温度进行了计算,结果证实该模型可用于内燃机冷却系统的动态传热特性研究。

A dynamic heat transfer model based on the lumped parameter method was developed for cooling system of vehicle internal combustion engine. Engine combustion chamber heat transfer, radiator heat transfer, water pump heat transfer were included in the model. The heat coupling between the engine block and coolant, radiator and coolant, water pump and coolant were formulated. An example simulation was implemented for a single cylinder diesel engine. The results show that this model can be used for studying heat performance Of cooling system.