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首页> 外文期刊>The Open Acoustics Journal >Investigation of the Inlet and Outlet Location on the SoundproofingVentilation Unit
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Investigation of the Inlet and Outlet Location on the SoundproofingVentilation Unit

机译:隔音通风装置进出风口位置的调查

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This paper deals with A-type and B-type rectangular cuboid SVU (soundproofing ventilation unit) contain aninlet and outlet in opposite surfaces. The difference between them is whether they are located in small or big cross sectionarea. Following the theoretical calculation, the shape and location of the inlet and the outlet are determined by aninvestigation of the distribution of higher order mode waves formed inside the SVU. Finally, experimental results of Atypeand B-type based on the reverberation chamber method are shown to be in reasonable agreement with our theoreticalpredictions. The results of theoretical calculation and experiments conducted lead to the conclusion that A-type is suitablefor soundproof ventilation unit.
机译:本文讨论的是A型和B型矩形长方体SVU(隔音通风装置),其入口和出口位于相对的表面。它们之间的区别在于它们是位于小横截面还是大横截面中。根据理论计算,通过研究SVU内部形成的高阶模波的分布来确定入口和出口的形状和位置。最后,基于混响室法的A型和B型实验结果表明与我们的理论预测合理吻合。理论计算和实验结果表明,A型适用于隔音通风装置。

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