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Sound-absorbing material based oil palm frond natural fibres

Effective noise control is vital for improving living standards, but traditional sound absorbers pose health risks. Natural fibers offer a sustainable alternative, with consistent absorption rates across a broad frequency range. These fibers, widely available in Malaysia, are non-toxic, lightweight,...

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Main Authors: Lay, Sheng Ewe, Weng, Kean Yew, Hai, Song Woon, Zawawi Ibrahim,
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2023
Online Access:http://journalarticle.ukm.my/22595/1/STT%2016.pdf
http://journalarticle.ukm.my/22595/
https://www.ukm.my/jsm/
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spelling my-ukm.journal.225952023-11-24T02:40:13Z http://journalarticle.ukm.my/22595/ Sound-absorbing material based oil palm frond natural fibres Lay, Sheng Ewe Weng, Kean Yew Hai, Song Woon Zawawi Ibrahim, Effective noise control is vital for improving living standards, but traditional sound absorbers pose health risks. Natural fibers offer a sustainable alternative, with consistent absorption rates across a broad frequency range. These fibers, widely available in Malaysia, are non-toxic, lightweight, renewable, and eco-friendly, making them an attractive option. The safety benefits of natural fibers further enhance their appeal as sound absorbers, making them an excellent choice for those concerned about environmental impact and personal health. This study will examine the effect of different thicknesses on the acoustic performance of natural fibers from oil palm fronds (OPF). The findings demonstrate that, when material density is 160 kg/m3 , all thicknesses can achieve a good Sound Absorption Coefficient (SAC) of 0.8 or greater within 3600 - 6400 Hz range. However, at 180 kg/m3 density, only the 10 mm thickness sample has SAC of 0.8 or greater, but for 2800 - 6400 Hz range. It is worth noting that, across 0 - 6400 Hz, 10 mm thick and 180 kg/m3 density sample has higher SAC than 160 kg/m3 samples. Nevertheless, for 12 mm, 14 mm, and 16 mm thicknesses, SAC of 160 kg/m3 is higher than 180 kg/m3 after an interception point. Before that interception point, SAC of 160 kg/m3 is lower than 180 kg/m3 . As thickness increases from 12 mm to 16 mm, the interception point decreases from 2100 Hz to 1600 Hz. The research demonstrates that various factors, such as frequency, density, thickness, and fiber structure, impact the acoustic performance of OPF LDF. Penerbit Universiti Kebangsaan Malaysia 2023 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/22595/1/STT%2016.pdf Lay, Sheng Ewe and Weng, Kean Yew and Hai, Song Woon and Zawawi Ibrahim, (2023) Sound-absorbing material based oil palm frond natural fibres. Sains Malaysiana, 52 (7). pp. 2103-2114. ISSN 0126-6039 https://www.ukm.my/jsm/
institution Universiti Kebangsaan Malaysia
building Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description Effective noise control is vital for improving living standards, but traditional sound absorbers pose health risks. Natural fibers offer a sustainable alternative, with consistent absorption rates across a broad frequency range. These fibers, widely available in Malaysia, are non-toxic, lightweight, renewable, and eco-friendly, making them an attractive option. The safety benefits of natural fibers further enhance their appeal as sound absorbers, making them an excellent choice for those concerned about environmental impact and personal health. This study will examine the effect of different thicknesses on the acoustic performance of natural fibers from oil palm fronds (OPF). The findings demonstrate that, when material density is 160 kg/m3 , all thicknesses can achieve a good Sound Absorption Coefficient (SAC) of 0.8 or greater within 3600 - 6400 Hz range. However, at 180 kg/m3 density, only the 10 mm thickness sample has SAC of 0.8 or greater, but for 2800 - 6400 Hz range. It is worth noting that, across 0 - 6400 Hz, 10 mm thick and 180 kg/m3 density sample has higher SAC than 160 kg/m3 samples. Nevertheless, for 12 mm, 14 mm, and 16 mm thicknesses, SAC of 160 kg/m3 is higher than 180 kg/m3 after an interception point. Before that interception point, SAC of 160 kg/m3 is lower than 180 kg/m3 . As thickness increases from 12 mm to 16 mm, the interception point decreases from 2100 Hz to 1600 Hz. The research demonstrates that various factors, such as frequency, density, thickness, and fiber structure, impact the acoustic performance of OPF LDF.
format Article
author Lay, Sheng Ewe
Weng, Kean Yew
Hai, Song Woon
Zawawi Ibrahim,
spellingShingle Lay, Sheng Ewe
Weng, Kean Yew
Hai, Song Woon
Zawawi Ibrahim,
Sound-absorbing material based oil palm frond natural fibres
author_facet Lay, Sheng Ewe
Weng, Kean Yew
Hai, Song Woon
Zawawi Ibrahim,
author_sort Lay, Sheng Ewe
title Sound-absorbing material based oil palm frond natural fibres
title_short Sound-absorbing material based oil palm frond natural fibres
title_full Sound-absorbing material based oil palm frond natural fibres
title_fullStr Sound-absorbing material based oil palm frond natural fibres
title_full_unstemmed Sound-absorbing material based oil palm frond natural fibres
title_sort sound-absorbing material based oil palm frond natural fibres
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2023
url http://journalarticle.ukm.my/22595/1/STT%2016.pdf
http://journalarticle.ukm.my/22595/
https://www.ukm.my/jsm/
_version_ 1783877723496644608
score 13.211869

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