高频噪声和超声波噪声防护用屏障的隔音性能试验方法

Q3 Engineering

Strojnicky Casopis Pub Date : 2018-12-01 DOI:10.2478/scjme-2018-0047

Pleban Dariusz, Mikulski Witold

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引用次数: 2

摘要

摘要:研制了两台频率在5khz以上的隔声试验台。其中一个由两个水平相邻的混响室和一个特殊的高频声音和超声波源组成。另一个试验台由一个小型化的试验室和一个特殊的超声波源组成。本文介绍了在5khz以上频率范围内不同屏障的隔声性能的初步测量结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Methods of Testing of Sound Insulation Properties of Barriers Intended for High Frequency Noise and Ultrasonic Noise Protection

Abstract Two test stands for determining sound insulation in the frequency range above 5 kHz were made. One consisted of two horizontally adjacent reverberation rooms and a special source of high frequency sounds and ultrasounds. The other test stand consisted of a miniaturized test chamber and a special source of ultrasounds. The paper presents results of the preliminary measurements of sound insulation properties of different barriers in the frequency range above 5 kHz.

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来源期刊

Strojnicky Casopis Engineering-Mechanical Engineering

CiteScore

2.00

自引率

0.00%

发文量

审稿时长

14 weeks