Effect Of Different Thermal Insulator Materials On Thermal Energy Storage (TES) Heat Loss

Mohd Razali, Nur Atikah (2017) Effect Of Different Thermal Insulator Materials On Thermal Energy Storage (TES) Heat Loss. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This study describes the development of low density thermal insulation boards made from rice husk and coconut coir as organic materials.Meanwhile,polystyrene is used as non-organic type of thermal insulator.The aim of this study was to develop a thermal insulation that can be applied in the real application of thermal energy storage (TES) tank.The hot pressing method was used to make the thermal insulator boards from organic materials.In addition,all the parameters used in hot pressing method for rice husk and coconut coir are same.This research is reported based on the effect of board densities and their binder composition on the properties of the insulation boards.The thermal conductivity of rice husk,coconut coir and polystyrene boards were measured in order to do the comparison with current insulation system used in TES tank.It was found that all the thermal insulation boards in this study achieved low thermal conductivity with low board density which was close to those conventional TES insulation materials such as mineral wool and polyurethane foam.For the percentage of water absorption, polystyrene gives the lowest value which is good to be used as water resistance type of thermal insulators. However,for both organic types of thermal insulators,the percentages of water absorption are quite high which can reduce the efficiency of insulating system.

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