某乘用SUV车型整车NVH性能试验研究  

Experimental Study on NVH Performance of a Passenger Car

作　　者：张文华 ZHANG Wenhua(Product Development&Technical Center,Jiangling Motors Co.,Ltd.,Jiangxi Nanchang 330001)

机构地区：[1]江铃汽车股份有限公司产品开发技术中心,江西南昌330001

出　　处：《汽车实用技术》2021年第21期156-158,共3页Automobile Applied Technology

摘　　要：NVH性能是SUV车型重要的性能构成,较低的车内振动水平及良好的声品质是SUV车型NVH性能设计的必然要求,文章针对某自主开发SUV和竞品SUV两款车型,开展了加速工况80 km/h下的车内振动对标分析及声压对标分析,同时开展了巡航工况下的二者的车内振动与声品质对比分析,试验结果表明,两款SUV车型NVH性能满足目标要求。NVH performance is an important performance component of SUV.Low interior vibration level and good sound quality are the inevitable requirements of NVH performance design of SUV.Aiming at a self-developed SUV and a competitive SUV,this paper carries out the interior vibration benchmarking analysis and sound pressure benchmarking analysis under the acceleration condition of 80 km/h,and carries out the interior vibration and sound quality benchmarking analysis under the cruise condition.The test results show that the NVH performance of the two SUVs meets the target requirements.

关 键 词：乘用车 NVH性能 试验研究 

分 类 号：U461.4[机械工程—车辆工程]