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THE EFFECT OF BINDER ON THE ACOUSTICAL PERFORMANCE OF THE PADDY STRAW ‘GREEN’ SOUND ABSORBER

Putra, Azma and Abdullah, Yasseer and Efendy, Hady and Farid, W.M and Ayob, Md Razali (2012) THE EFFECT OF BINDER ON THE ACOUSTICAL PERFORMANCE OF THE PADDY STRAW ‘GREEN’ SOUND ABSORBER. In: 3rd International Conference on Engineering and ICT (ICEI2012) , 4 – 6 April 2012, Melaka, Malaysia .

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Abstract

Sound absorbing material are widely use in application. It was started from asbestos-based material and now generally fabricated from synthetic materials. These non-biodegradable materials do not only cause pollution to the environment, but also contribute significantly in increasing the CO2 causing the effect of global warming. Therefore researchers have now driven their attentions to find sustainable and eco-friendly materials to be an alternative sound absorber. This paper discusses the use of natural fibers from dried paddy straw as fibrous acoustic material. Since these are common natural waste materials found across South East Asia, the usage will also minimize the production cost. Panels of sound absorbers from paddy straw are fabricated using hot press and their acoustic properties are investigated through experiment. The effect of the binder on the acoustic performance of the panel is investigated. In average, good sound absorption coefficient is found particularly above 2 kHz.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Mechanical Engineering > Department of Structure and Materials
Depositing User: Dr Azma Putra
Date Deposited: 30 Jul 2013 00:14
Last Modified: 28 May 2015 04:00
URI: http://eprints.utem.edu.my/id/eprint/8892

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