Sound absorption of textile fabrics doped with microcapsules

被引：16
作者：
Atienzar-Navarro, R. [1 ]
Bonet-Aracil, M. [2 ]
Gisbert-Paya, J. [2 ]
del Rey, R. [3 ]
Pico, R. [1 ]
机构：
[1] Univ Politecn Valencia, Inst Invest Gest Integrada Zonas Costeras IGIC, C Paranimf 1, Valencia 46780, Spain
[2] Univ Politecn Valencia, Dept Ingn Textil & Papelera DITEXPA, Plaza Ferrandiz & Carbonell S-N, Valencia 03801, Spain
[3] Univ Politecn Valencia, CTFAMA, Av Naranjos S-N, E-46022 Valencia, Spain
来源：
APPLIED ACOUSTICS | 2020年 / 164卷
关键词：
Sound absorption; Microcapsules; Padding technique; Woven fabrics; ACOUSTIC ABSORPTION; ABSORBING MATERIALS; BEHAVIOR; POLYPROPYLENE; INSULATION; CURTAINS; FIBERS;
D O I：
10.1016/j.apacoust.2020.107285
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The use of microcapsules is increasing in the textile industry and play an important role in the field of acoustical porous materials in order to adopt solutions for the control of noise. In this work, we present an experimental study of the acoustic effect of woven textile fabrics doped with microcapsules by using the padding technique. For this purpose, measurements with the fabric backed by an air-cavity or by a rigid wall in the impedance tube have been done. A comparative analysis of acoustic effect by using cotton fabrics with the same yarn density but different doping percentage is presented. We have investigated the influence of the sound damping effect of doping six different textile woven fabrics with the same concentration of microcapsules. The results show that the variation on the sound absorption coefficient of doped woven fabrics depends on the type of fabric, the concentration of microcapsules and the experimental setup. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：9
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