天然复合材料吸声率和阻尼率的设计

Sekarani Andari Kunthi, Baiq Siti Hawa, Firda Auliya
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引用次数: 0

摘要

本研究是为了确定复合材料的吸声水平。本研究使用的复合材料是加里曼丹锯末和菠萝叶纤维的复合材料。研究目的是确定加里曼丹细木屑和加里曼丹粗木屑与菠萝叶纤维的复合材料的阻尼率,从而可以作为一种替代吸声材料。复合测试过程使用声级计通过调整声源的频率。空间分区是复合的,在一定距离处测量声强值,然后给定一个分区,在相同距离处再次测量声强。结果表明菠萝叶纤维复合材料与红莫兰蒂木屑的吸声系数可以作为除玻璃棉之外的吸声材料,从而减少对公众健康的副作用。©2018 JNSMR UIN Walisongo。版权所有。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sound Absorbent And Damping Rate of The Natural Composites Design
This research was conducted to determine the sound attenuation level of  composite. The composite used in this study iscompound Kalimantan sawdust and pineapple leaf fiber. The research objective was to determine the damping rate of composites (fine Kalimantan sawdust and compound of coarse Kalimantan sawdust with pineapple leaf fiber), so it can be used as an alternative sound absorbent material. The composite testing process uses a Sounds Level Meter by adjusting the frequency of the sound source. The space partition is a composite, measured the value of sound intensity at a certain distance, then given a partition, the sound intensity is again measured with the same distance. The results of the absorption coefficient of pineapple leaf fiber composite and red meranti wood sawdust can be used as an alternative sound absorbing material besides glass wool so that it can minimize side effects for public health. ©2018 JNSMR UIN Walisongo. All rights reserved.
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