车辆风窗玻璃除霜系统性能的数值模拟与试验  

Numerical Simulation and Experiment of Vehicle Windshield Defrost System Performance Optimization

作　　者：楼江燕[1] 张发用 

机构地区：[1]广西工学院汽车工程系,广西柳州545006 [2]湖南湖大三佳汽车技术开发有限公司,长沙410082

出　　处：《桂林工学院学报》2009年第3期402-406,共5页Journal of Guilin University of Technology

基　　金：广西区教育厅科研项目(200808LX313)

摘　　要：风窗玻璃除霜系统的主要性能包括快速除霜/冰的能力和防止玻璃再次结霜,影响除霜系统性能的关键因素是除霜器喷嘴的结构及喷射气流的位置、方向、动量等参数。针对某车型除霜系统试验情况,通过计算流体力学方法对该试验进行了数值模拟重现,寻找除霜系统的不足,并对系统进行改进,保证该车的除霜性能满足国家标准要求。As windshield defrost performance concerning with vehicle safety,improving the performance of vehicle windshield defrosting is very important.Quick defrosting and anti-frost are main requirements for vehicle windshield defrost system.The factors affecting the performance of windshield defrosting are the defroster nozzle structure and a series of parameters such as suitable jet stream location,direction and momentum.The test focuses on the failure of vehicle defrosting.Through the method of Computational Fluid Dynamics（CFD） and numerical simulation of the failure test,deficiencies of the defrost system are found.System optimization is put forward so that vehicle defrost performance can meet the national standard.

关 键 词：车辆风窗玻璃 除霜系统 除霜性能 计算流体力学 数值模拟 FLUENT 

分 类 号：U463.835[机械工程—车辆工程]