Parameter optimization of kenaf fiber for heat insulator

Ab Ghani, Nur Atiqah (2020) Parameter optimization of kenaf fiber for heat insulator. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, awareness towards environment increase significantly, people has learned the importance of protecting the environment for the better future. The pipe that carried high temperature liquid will release heat to the surrounding and causing the surrounding temperature increased. Thus, the insulation system is important to ensure that the heat is contain within the insulation system. The disposal of synthetic fiber is become concern due to requirement of change the heat insulator after certain period of time for example each five years. This study was conducted to investigate the potential of non-woven kenaf fiber as heat insulator to replace synthetic fibre. The objective of this study is to identify the optimum layup sequence of the composite that will insulate heat that reach up to 250 °C (at high elevated temperature) at prolonged. Non-woven kenaf fiber will be used along with polyurethane in this study. The non-woven kenaf fiber and polyurethane is arranged with different layup sequence using sandwich method. The result reveal that S11 with the layup sequence of PKKKKKKKKKPKP possess the lowest heat flow with the difference of 45.25 % compared to glass wool. While S3 with the layup sequence of PKPKKKKKKKKKP possess the lowest thermal conductivity with 42 % improvement compared to glass wool. The usage of non-woven kenaf fiber as heat insulator will help to reduce cost and environment issue. The potential to commercialize is high due to their ability to replace synthetic fiber in term of low thermal conductivity especially for high temperature pipe.

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