轻型卡车空调风管除霜性能研究  

Study on the Performance of Defrost in Light Truck Air-Conditioning Ducts

作　　者：黄泽好[1,2] 林嘉玉 樊喜龙 HUANG Zehao;LIN Jiayu;FAN Xilong(Key Laboratory of Automobile Parts Manufacturing and Testing Technology,Ministry of Education,Chongqing 400054,China;Vehicle Engineering Institute,Chongqing University of Technology,Chongqing 400054,China)

机构地区：[1]汽车零部件制造及检测技术教育部重点实验室,重庆400054 [2]重庆理工大学车辆工程学院,重庆400054

出　　处：《重庆科技学院学报（自然科学版）》2021年第6期96-100,共5页Journal of Chongqing University of Science and Technology：Natural Sciences Edition

基　　金：重庆市教育委员会研究生导师团队建设项目“基金项目整车NVH性能集成开发与匹配”(渝教研发〔2018〕6号)。

摘　　要：以某款新能源轻型卡车空调风管为对象,采用CFD方法对空调风管的除霜性能进行研究。应用前处理软件HyperMesh对模型进行网格处理,应用计算流体力学软件STAR-CCM+对除霜性能进行分析。针对出风量分配不均的情况,根据风速流线分布对除霜风管结构进行改进,修改空调风管和出风口结构,优化了车内风量分布。在相同风速下,改进后的除霜风管除霜效果显著增强,比国家标准要求的除霜时间缩短了10 min以上。The defrosting performance of air conditioning ducts is studied through CFD method by taking the air conditioning ducts of a new energy light truck as the object.The pre-processing software HyperMesh is used to mesh the model,the defrosting performance is analyzed through computational fluid dynamics software STAR-CCM+.On the condition that the distribution of defrost duct air is uneven,the defrost duct structure is improved according to the wind speed flow distribution;and the air volume distribution in the vehicle is optimized by modifying the air conditioning duct and air outlet structure.The improved defrosting effect of the defrosting duct under the same wind speed is significantly enhanced,and the defrosting time is more than 10 minutes shorter than required by national regulations.

关 键 词：轻型卡车 空调风管 除霜性能 CFD分析 

分 类 号：U463[机械工程—车辆工程]