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新闻动态当前位置:首页-济南汽车音响改装谈汽车噪音的产生
    济南汽车音响改装谈汽车噪音的产生
    更新日期:2014-9-22 17:34:38    浏览次数:164次

    1、发动机噪音
    车辆发动机是噪音的一个来源,它的噪音产生是随着发动机转速的不同而不同,主要通过前翼子板、引擎盖、挡火墙、排气管产生和传递。
    Vehicle engine is a source of noise, it's the noise generated is different depending on the engine speed, mainly through the front fenders, hood, firewall blocking the exhaust pipe production and delivery.
    2、路噪
    路噪是车辆高速行驶的时候风切入形成噪音及行驶带动底盘震动产生的,还有路上沙石冲击车底盘也会产生噪音,这是路噪的主要来源,主要通过四车门、后备箱、前翼子板、前轮弧产生和传递。
    Road noise is traveling at high speed when the wind cut to form the noise and vibration generated by travel drive chassis, as well as the impact of gravel road car chassis will produce noise, which is the main source of road noise, mainly through four doors, trunk, front fender, front wheel arc generation and delivery.
    3、胎噪
    胎噪是车辆在高速行驶时,轮胎与路面磨擦所产生的,视路况车况来决定胎噪大小,路况越差胎噪越大,另外柏油路面与混泥土路面所产生的胎躁有很大区别,主要通过四车门、后备箱、前叶子板、前轮弧产生和传递。
    Vehicle tire noise at high speeds, tire and road surface friction generated, depending on the traffic condition to determine the size of tire noise, traffic, the worse the bigger tire noise,another tire asphalt and concrete pavement noise generated by very different , mainly through four doors, trunk, front fender, front wheel arc generation and delivery.
    4、风噪
    风噪是指汽车在高速行驶的过程中迎面而来的风的压力已超过车门的密封阻力进入车内而产生的,行驶速度越快,风噪越大,主要通过四门密封间隙、包括整体薄钢板产生和传递。
    Wind noise is the wind pressure of the car during traveling at high speed over the oncoming vehicle door seal resistance generated in the car, the faster the traveling speed, the greater the wind noise, mainly through the four sealing gap, including the overall thin steel production and delivery.
    5、共鸣噪和其他
    车体本身就像是一个箱体,而声音本身就有折射和重叠的性质,当声音传入车内时,如没有吸音和隔音材料来吸收和阻隔,噪音就会不断折射和重叠,形成的共鸣声,主要通过噪音进入车内,叠加、反射产生。
    The body itself, like a box, and the sound itself is refracted and overlapping nature of the vehicle when an incoming sound, if there is no sound absorption and sound insulation and barrier to absorb, refract and noise will continue to overlap, the resulting resonance sound, mainly into the car through the noise superimposed reflections.

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