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    Abstract
2013 (Vol. 6, Issue: 22)
Article Information:

Improvement of Date Palm Fibre Acoustic Properties Using Perforated Plate, Woven Cotton Cloth and Polyester

Lamyaa Abd AL Rahman, Raja Ishak Raja and Roslan Abdul Rahman
Corresponding Author:  Lamyaa Abd ALRahman 

Key words:  Acoustic absorption coefficient, date palm fibre, perforated plate, polyester woven cotton cloth, , ,
Vol. 6 , (22): 4297-4304
Submitted Accepted Published
April 05, 2013 April 22, 2013 December 05, 2013
Abstract:

The aim of this study was to explore the effect of date palm fibre as backing on sound absorption using three types of perforation plates and porous layers. The predicted results were verified by measurements conducted in an impedance tube on normal incidence sound absorption of 30 and 50 mm-thick date palm fibre and backing that may have positive effect are elaborated in this study. It describes how the porous materials of date palm fibre absorber panel can change the absorption behavior. The results obtained show that perforation plate, porous layers have a significant effect on absorption, whereas thickness panel have considerable effect too. This further indicate that three types have been used and also supported can be powerfully exploited to improve the absorption of date palm fibre and at the same time a reasonable thickness chosen, would be very efficient for absorption sound. An example is presented to show the approaches of enhancing the absorption, by utilizing the advantage of modification in the absorption sound. It exhibits that properly chosen perforation ratio along with suitable sample thickness can increase the absorption as well as the selected porous layers. It was evident that these can be powerfully exploited to improve the absorption of date palm fibre. Three types of perforation plate, porous layers were used to improve acoustic properties of date palm fibre. This means the innovative fibre becomes more active and efficient, plus it is renewable, waste material and very light compared to industrial substances.
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  Cite this Reference:
Lamyaa Abd AL Rahman, Raja Ishak Raja and Roslan Abdul Rahman, 2013. Improvement of Date Palm Fibre Acoustic Properties Using Perforated Plate, Woven Cotton Cloth and Polyester.  Research Journal of Applied Sciences, Engineering and Technology, 6(22): 4297-4304.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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