Radiator Heat Dissipation Testing

Mohd Saiful Hakimi, Mat LWI (2006) Radiator Heat Dissipation Testing. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This study describe of an experimental approach to determine the best automotive radiator for Proton Wira l .5L. The particular to be explored here are the heat dissipation of different types, sizes, materials and conditions of several radiators in order to come out with the best radiator that suit to the engine with the best performance. Some original studies published only focusing on the radiator that had been used in four season countries. So the coolant in the radiator was added with antifreeze and some chemical liquid instead of water itself. But in Malaysia, the only coolant that had been used for years in radiators were basically water and if there were chemical liquid added, they were only for purpose of extending the radiator's life time. The testing done by replacing several different radiators which are Nissan, Ford, Honda, Mitsubishi and original radiator for Proton Wira I .SL to the engine and run with and without fan conditions. The data taken were used to generate a set of curve for each radiator as the heat dissipation analysis. The analysis fully focused on heat transfer by the radiators in two conditions; with fan and without fan. After conducting the experiment and evaluating the data, Mitsubishi's radiator was selected to be the best radiator that suit to Proton Wira engine based on the capability to dissipate heat due to several characteristics that contribute to the heat rejection. The heat dissipation will be increased as the temperature drop and coolant mass flow rate increased. The heat rejected also proportional to the engine speed, the heat loss rate will arise when the engine running at higher speed. Hopefully this approach will serve readers to concentrate on many applications of engineering especially in the automotive discipline focusing on cooling system.

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