To Study The Heat Insulation From Engine Toward Bus Interior

Abdul Razak, Muhammad Afiq (2019) To Study The Heat Insulation From Engine Toward Bus Interior. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

In this study, a heat insulation which is polyurethane foam was constructed using by a 3D modelling software which is Catia software. The overall temperature at the surface of exterior and interior thermal insulation was taken at each segment with ambient temperature was recorded. The properties of air such as coefficient and conductivity used as the medium of fluid for heat transfer. By finding the related literatures regarding heat transfer development, the author catch some useful information regarding the enhancement of the design of the surface polyurethane foam as a heat resistance. The previous articles show the thickness give a good heat transfer resistance and effectiveness of the heat exchanger. The author would use this idea which is the thickness surface in order to design polyurethane foam insulation and then analyses the heat transfer profile using an Altair Hyperwork simulation software. The result and finding is then discussed and compared with the normal polyurethane foam insulation. The highest temperature at the final parameter after upgraded the surface with additional 20mm thickness at the middle of the insulation foam is 316.3K which is reduced by the 1.3 K between before and after. The highest temperature at the interior area of segment 4 is 315.7K while for the final parameter after upgraded is 314.2K where after the upgraded there is 1.5K decrease in temperature. . The 20mm is the minimum thickness for the maximum reduction of the temperature located at the middle due to the heated area take place.

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