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基于低风阻的电动汽车造型设计
引用本文:李彦龙.基于低风阻的电动汽车造型设计[J].同济大学学报(自然科学版),2017,45(9):1366-1371.
作者姓名:李彦龙
作者单位:同济大学上海市地面交通工具空气动力与热环境模拟重点实验室
基金项目:国家“九七三”重点基础研究发展计划(2011CB711203)
摘    要:分析了当代电动车造型整体格局,确定了目标车型的基本参数.基于最小阻力体气动研究,将低阻生物作为形态仿生对象,完成了低阻车体设计.通过与传统车的对比研究,确定了整车的造型风格.之后对车头、车轮等各部位依次作了造型与气动优化,完成了整车设计.整个过程采用了气动、散热、人机布局、仿生等多元素耦合的研究方法,最终得到了一款全新低阻电动汽车造型,制作了1:1模型.经风洞试验风阻系数C_D为0.193,明显优于0.238的预估目标值.

关 键 词:汽车造型设计  低阻造型  电动汽车
收稿时间:2016/9/10 0:00:00
修稿时间:2017/6/23 0:00:00

Electric Car Design based on Low Drag
Abstract:General situation of electric car design is analyzed and basic specifications are set. Based on the body of least drag, the paper start with a low-drag bionic shape to get the main body design. With comparison study of the electric car and traditional car design, the style of the new car is defined. Optimization for the essential parts of the car, such as the nose, wheel, etc., are developed on both design and aerodynamics. During the process, the styling, aerodynamics and thermal control are studied with coupling method. Finally a totally new low-drag electric car design is developed, as well as a full-scale hard model. The final 1:1 wind tunnel test result in a CD of 0.193, much better than the objective of CD 0.238.
Keywords:electric car  car design  low-drag design
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