某型SUV车发动机舱热管理仿真分析及优化  

Simulation Analysis and Optimization of Thermal Management of a Certain Type of SUV Vehicle Engine Compartment

作　　者：杜子学[1] 沈宏丽 叶双平 王成杰[1] 

机构地区：[1]重庆交通大学机电与汽车工程学院,重庆400074

出　　处：《小型内燃机与车辆技术》2016年第2期48-51,共4页Small Internal Combustion Engine and Vehicle Technique

基　　金：国家自然科学基金项目(项目编号:51475062)

摘　　要：对某型SUV车发动机舱流场及热态进行了仿真研究,分析了车辆在两种不利工况下(爬坡与高速工况)发动机舱内的流场、温度场分布规律。针对发动机舱部分元件的温度场与速度场特性,提出了相应改进方案,并对改进模型进行二次优化,最终使发动机舱内部流场性能以及各零部件温度场性能得到较大改善,对比试验结果与仿真分析结果可知,仿真分析方法能够满足工程需要。A simulation study of the flow field and thermal state of the engine compartment of a certain type SUV car engine is carried out. The flow field and temperature field distribution of the vehicle in the engine compartment under the condition of two kinds of adverse conditions are analyzed. For the temperature field and velocity field characteristics of the engine compartment, the improved scheme is put forward, and the improved model is optimized for the two times. In the end, the performance of the engine room is improved, and the temperature field of the parts is improved. The simulation analysis method can meet the engineering needs.

关 键 词：SUV 发动机舱 热管理 优化 

分 类 号：TH128[机械工程—机械设计及理论] TP319[自动化与计算机技术—计算机软件与理论]