SUV镂空式尾翼的气动噪声仿真及优化  

Aero-Acoustic Noise Simulation and Optimization of SUV Spoilers

作　　者：于泽美 吴长鹏 卢祖秉 曹杰汛 YU Zemei;WU Changpeng;LU Zubing;CAO Jiexun(Technical Center,Dongfeng Nissan Passenger Vehicle Company,Dongfeng Motor Co.,Ltd.,Guangzhou 510800,China)

机构地区：[1]东风汽车有限公司东风日产乘用车公司技术中心,广州510800

出　　处：《汽车工程学报》2020年第6期391-398,共8页Chinese Journal of Automotive Engineering

摘　　要：在某全新开发的运动型多用途汽车(Sport Utility Vehicle,SUV)车型设计过程中,为降低镂空式尾翼对整车风噪性能的影响,对汽车外部流场及声场进行仿真分析。根据分析结果,针对镂空式尾翼的形状结构提出优化方案并验证。对尾翼区域风噪仿真方法研究及镂空式尾翼方案设计具有一定的参考价值。In the design process of a newly developed SUV model,in order to reduce the impact of hollow spoiler on the wind noise performance of the vehicle,the simulation of the vehicle external flow field and sound field were conducted and analyzed.Based on the analysis results,the shape and structural optimization of the hollow spoilerwas proposed and verified.This research has certain reference value to the research of wind noise simulation method and the design of hollow tail spoiler.

关 键 词：风噪性能 运动型多用途汽车 镂空式尾翼 风阻系数 优化 

分 类 号：U467.493[机械工程—车辆工程]