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影响吸声降噪效果的三个因素

佛山天阶吸音板生产厂家 发布日期:2019-11-25

(1)吸声降噪效果与室内声源情况有关

加果室内分布着多个声源(例如,纺织厂的织布车间),室内备处直达声都很强,吸声处理效果就较差,一般能有3~40B吸声降噪量已很不错了。尽管如此,由于减少了混响雅,产空内工作人员全观感觉上消除了来自四面八方的噪声干扰,反映良好。因此,国内不步织布车间、冲床车间等,仍用吸声办法降低车间噪声。吸声处理对近于声源者效果较差,对远离声源的接收者,效果较好。另外,车间内部吸声处理后,车间内噪声传至室外的噪声降低量比室内要高,对周围环境的改善效果更为显著。

 

(2)吸声降噪效果与房间形状尺寸、吸声结构布置位置等有关

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(3)吸声降噪效果与噪声源频谱特性及吸声结构吸声特性有关

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