Sound-Absorption Properties of Kapok Fiber Nonwoven Fabrics at Low Frequency

被引：40

作者：

Liu, Xueting ^{[1
]}

Yan, Xiong ^{[1
]}

Li, Li ^{[1
]}

Zhang, Huiping ^{[1
]}

机构：

[1] Donghua Univ, Coll Text, Minist Educ, Key Lab Text Sci & Technol, Shanghai 200051, Peoples R China

来源：

JOURNAL OF NATURAL FIBERS | 2015年 / 12卷 / 04期

关键词：

sound absorption; kapok fiber; natural fiber; nonwovens; fabrics; low frequency; ABSORBING MATERIALS; EMPIRICAL-MODEL; PARAMETERS; NOISE;

D O I：

10.1080/15440478.2014.919891

中图分类号：

TB3 [工程材料学]; TS1 [纺织工业、染整工业];

学科分类号：

0805 ; 080502 ; 0821 ;

摘要：

In this study, the sound-absorption properties of kapok fiber nonwoven fabrics were investigated in the frequency region of 100-2500 Hz using the impedance tube method. The effects of physical parameters including fiber mixing ratio, bulk density, and thickness on sound-absorption properties of composites were studied. The comparisons of kapok fiber with polypropylene fiber and hollow polyester fiber indicated that as a natural fiber, kapok fiber had superior acoustical properties at low frequency. A new simple model had been developed to predict the sound absorption coefficient of kapok fiber nonwoven composites at low frequency.

引用

页码：311 / 322

页数：12

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