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            <h1><i class="fa fa-envira"></i>噪音产生的方式有哪些�Q?/h1><hr style="margin-bottom:30px">
            <div>噪音产生方式�Q?/div>
<div><strong><span style="font-size: 14px;">振动产�&#65533;</span></strong></div>
<div><span style="font-size: 14px;">转动机械�Q�许多机械设�&#65533;��本��n或某一部�&#65533;���g是旋转式的&#65533;�常�&#65533;�l&#65533;�&#65533;��损耗�&#65533;轴承�&#65533;��陯&#65533;(g��)��&#57615;生异常�&#65533;��动�Q�进而�&#57615;生噪�?�?/span></div>
<div><span style="font-size: 14px;">冲击�Q�当物体发生�&#65533;击�Ӟ��大量的动能在短时间�&#65533;���{成振动或噪音�&#65533;&#65533;量，而且频率�&#65533;�&#65533;���&#65533;��非常�&#65533;q�&#65533;�例如�&#65533;床、压床�&#65533;���&#65533;设�&#65533;���Q��&#65533;�?x��)��生此�c�d��韟�?/span></div>
<div><span style="font-size: 14px;">共振�Q�每个系�l��&#65533;有�&#65533;自然频率�Q�如果激振�&#65533;��率�&#65533;��与�&#65533;焉���率有所重叠�Q��&#65533;�?x��)��生大振�&#65533;��振动噪韻I��例如引擎�&#65533;��辄��&#65533; �?/span></div>
<div><span style="font-size: 14px;">摩擦�Q�此�c�d��音由于接触面与附着面间�&#65533;���Uȝ��象而�&#57615;生声响，常见的设�&#65533;���&#65533;��、�&#65533;�����&#65533; �?/span></div>
<div><span style="font-size: 14px;">甉|��</span></div>
<div><strong><span style="font-size: 14px;">���动产�&#65533;</span></strong></div>
<div><span style="font-size: 14px;">���动所产生的气动噪韻I��乱流、喷��&#65533;��、气蚀、气�&#65533;、涡���等现象。当�I�气中以高速流�l�导���或��属表面�Ӟ��一般空气在导管中流动碰到阻�����生�ؕ����&#65533;大而急速的压力改变均�&#65533;(x��)有噪音�&#65533;���&#65533;&nbsp; �?/span></div>
<div><strong><span style="font-size: 14px;">环�&#65533;��声</span></strong></div>
<div><span style="font-size: 14px;">一般环�&#65533;��韛_��多来自随机�&#65533;��音源，例如急驰而�&#65533;���R�&#65533;�&#65533;��机�&#65533;��笛、�h们�&#65533;��闹、以�?qi��ng)周围�&#65533;��各�&#65533;L(f��ng)��噪音来�&#65533; �?/span></div>
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