Heat Transfer In A Terrace House With Using Rock Wool

Mohd Mu'adz , Md Eswan (2009) Heat Transfer In A Terrace House With Using Rock Wool. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

In tropical countries, the greatest thermal gain occurs through the roof of a house. Generally, heat lost from a hot or warm system to the surroundings is waste and has a direct effect on the efficiency of the system. Also for systems which are operated as cold systems, heat gained from the surroundings reduces the efficiency of the cooling process. In all these cases heat is transferred by conduction to the outer surfaces and then it is mainly transferred by convection and radiation to the environment. . Although home on time has now heat insulator call ceiling (asbestos), nevertheless it not so effective to reduce heat transfer into the house. This matter will cause in the conditions house need air conditioning or fan to cool state indoors. Nevertheless this matter will cause electricity usage that many from those duly. This loss can be reduced by the use of heat insulator material. This study was conducted at a terrace house and it was shown that the usage of rock wool as insulating material can help reduce heat transfer inside terrace house and can reduce electric use to cool down the house indoors altogether. This study was also conducted by using insulating material and without use insulating material. In every study, the temperatures was taken and analyzed for comparison to be done. As the study ends, it was found that heat flow without using insulating material could only be reduced till 0.122 W/m2 while by using insulating material, heat flow could be reduced till 0.116 W/m2. In short, by using rock insulating material wool, heat transfer into a house can be reduced while saving the lump sum house usage of electrical energy.

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