A preliminary study on the sound absorption of date palm fibers

Elwaleed Awad Khidir, Nik Abdullah Nik Mohamed, Mohd. Jailani Mohd Nor, Mohd Faizal Mat Tahir, Rozli Zulkifli

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this study sound absorption properties of a single layer date palm fiber has been investigated. Experimental measurements were carried out using impedance tube at the acoustic lab, Faculty of Engineering, Universiti Kebangsaan Malaysia. A constant thickness sample was considered in this study.The results show that the values of absorption coefficient are small at low frequencies, rising with increasing frequency but exhibiting a significant peak. The low density of the sample is reflected in the overall sound absorption performance of the date palm fiber. An improvement in the sound absorption in the lower frequency range was achieved by backing the sample with air gap of different thicknesses of 10 mm, 20 mm and 30 mm. The increase in the air gap thickness moved the peaks toward lower frequencies and improved the low frequencies absorption. However, that increase coincided with reduction of absorption in medium frequency range and reduction in the absorption peak. A linear relationship was found between sound absorption peaks and the air gap thickness. The performance of the date palm fiber can be improved by increasing the density of the sample, using different sample thicknesses and adding perforated plates to the date palm fiber panel.

Original languageEnglish
Title of host publicationApplied Mechanics and Materials
PublisherTrans Tech Publications Ltd
Pages406-410
Number of pages5
Volume663
ISBN (Print)9783038352617
DOIs
Publication statusPublished - 2014
Event2nd International Conference on Recent Advances in Automotive Engineering and Mobility Research, ReCAR 2013 - Kuala Lumpur
Duration: 16 Dec 201318 Dec 2013

Publication series

NameApplied Mechanics and Materials
Volume663
ISSN (Print)16609336
ISSN (Electronic)16627482

Other

Other2nd International Conference on Recent Advances in Automotive Engineering and Mobility Research, ReCAR 2013
CityKuala Lumpur
Period16/12/1318/12/13

Fingerprint

Acoustic waves
Fibers
Air
Perforated plates
Acoustic impedance
Acoustics

Keywords

  • Date palm fiber
  • Impedance tube
  • Sound absorption

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Khidir, E. A., Nik Mohamed, N. A., Mohd Nor, M. J., Mat Tahir, M. F., & Zulkifli, R. (2014). A preliminary study on the sound absorption of date palm fibers. In Applied Mechanics and Materials (Vol. 663, pp. 406-410). (Applied Mechanics and Materials; Vol. 663). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/AMM.663.406

A preliminary study on the sound absorption of date palm fibers. / Khidir, Elwaleed Awad; Nik Mohamed, Nik Abdullah; Mohd Nor, Mohd. Jailani; Mat Tahir, Mohd Faizal; Zulkifli, Rozli.

Applied Mechanics and Materials. Vol. 663 Trans Tech Publications Ltd, 2014. p. 406-410 (Applied Mechanics and Materials; Vol. 663).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Khidir, EA, Nik Mohamed, NA, Mohd Nor, MJ, Mat Tahir, MF & Zulkifli, R 2014, A preliminary study on the sound absorption of date palm fibers. in Applied Mechanics and Materials. vol. 663, Applied Mechanics and Materials, vol. 663, Trans Tech Publications Ltd, pp. 406-410, 2nd International Conference on Recent Advances in Automotive Engineering and Mobility Research, ReCAR 2013, Kuala Lumpur, 16/12/13. https://doi.org/10.4028/www.scientific.net/AMM.663.406
Khidir EA, Nik Mohamed NA, Mohd Nor MJ, Mat Tahir MF, Zulkifli R. A preliminary study on the sound absorption of date palm fibers. In Applied Mechanics and Materials. Vol. 663. Trans Tech Publications Ltd. 2014. p. 406-410. (Applied Mechanics and Materials). https://doi.org/10.4028/www.scientific.net/AMM.663.406
Khidir, Elwaleed Awad ; Nik Mohamed, Nik Abdullah ; Mohd Nor, Mohd. Jailani ; Mat Tahir, Mohd Faizal ; Zulkifli, Rozli. / A preliminary study on the sound absorption of date palm fibers. Applied Mechanics and Materials. Vol. 663 Trans Tech Publications Ltd, 2014. pp. 406-410 (Applied Mechanics and Materials).
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