某中型载货车风阻优化的节油技术研究与验证  

Research and Validation of Fuel Saving Technology for Wind Resistance Optimization of a Medium-sized Truck

作　　者：李程 栗广生 徐承 韦尚军 Li Cheng;Li Guangsheng;Xu Cheng;Wei Shangjun(Commercial Vehicle Technology Center,Dongfeng Liuzhou Automobile Co.,Ltd.,Liuzhou Guangxi 545005)

机构地区：[1]东风柳州汽车有限公司商用车技术中心,广西柳州545005

出　　处：《现代工业经济和信息化》2022年第6期25-28,共4页Modern Industrial Economy and Informationization

基　　金：柳州市科技计划项目[2021AAA0104]。

摘　　要：通过CFD仿真分析及滑行、等速油耗实验、道路模拟油耗试验的方法,对某中型厢式载货车开展降风阻节油分析及验证。研究结果表明,优化后的顶导流罩、前保下导流板、侧裙及尾翼能有效的降低整车风阻;经实车验证,加装气动减阻附件可实现节油1.21 L,节油效果明显。The fuel saving analysis and verification of a medium-sized van with wind resistance reduction are carried out by CFD simulation analysis and coasting,isokinetic fuel consumption experiments and road simulation fuel consumption tests.The research results show that the optimized top deflector,front bail lower deflector,side skirts and rear wing can effectively reduce the wind resistance of the whole vehicle;verified by the actual vehicle,the addition of pneumatic drag reduction accessories can achieve fuel saving of 1.21 L,and the fuel saving effect is obvious.

关 键 词：阻力系数 CFD分析 气动减阻附件 燃油经济性 

分 类 号：U469.2[机械工程—车辆工程]