This document analyzes the performance of an automobile radiator at different air velocities. It begins with background on radiator design and operation. Assumptions are made to simplify the heat transfer analysis. Calculations are shown to determine the Nusselt number, heat transfer coefficient, fin efficiency, and overall heat transfer coefficient at varying air velocities and Reynolds numbers. Graphs illustrate trends such as Nusselt number and heat transfer coefficient increasing with Reynolds number. The analysis concludes that the radiator dimensions are suitable and cooling remains effective even at higher vehicle speeds, though fin efficiency decreases slightly with increasing Reynolds number.
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IRJET- Performance Analysis of Automobile Radiator