不知道你是否有这样的体验,即使关紧车窗,车内的噪音还是很大。
有人在网上提问:为什么坐在豪华车内会感觉更加静谧呢?
汽车的降噪是一个系统的,复杂的工程,难以用一篇文章就说明白。今天造车小将就来跟大家说一说车上的一个降噪“神器”。
汽车的车身是由很多钣金焊接而成,钣金与钣金之间存在空腔,很多空腔都是与外界相连的,这些空腔就成了噪音传递到车内的路径。
为了切断这个噪音传播的路径,汽车攻城狮们在钣金腔体内嵌入了发泡材料,这种特殊的材料在受热的情况下就会膨胀,从而把空腔与外界隔绝起来,这样进入车内的噪音自然就少了。
当然,像这种使用发泡材料使车子尽可能的密封,使噪音进不来,只是降低噪音的一种方式,其它的降噪方式以后有机会再跟大家分享。
原创文章,作者:cesifu,如若转载,请注明出处:http://www.cesifu.com/article/34134.html
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