汽车加速行驶车外噪声室内测量方法及其工程应用

来源 :第19届亚太汽车工程年会暨2017中国汽车工程学会年会 | 被引量 : 0次 | 上传用户:cumtzhanglei
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本文对汽车加速行驶车外噪声的室内,外通过噪声测量存在的差异性问题进行了研究,通过应用静音光头轮胎及其附加声学装置最小化室内轮胎噪声,从而获取室内情况下的动力总成和进排气噪声,自由滚动轮胎噪声和轮胎牵引扭矩噪声均可在室外获取,实现了室内通过噪声结果的计算合成与室外通过噪声测试结果的量化比较,很好地对标精度证实了方法的有效性.
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