Fins are mostly known as extended surfaces. Heat transfer by the convection between a surface and fluid surrounding it can be augmented by assigning to the surface thin strips of metallic elements called fins. Fins are industrialized in several structures, as per the real-world trends. However, this research work has been done on the circular fins. The concentrically annulated discs round a conduit are labeled as circumferential fins. The comparative thermal analysis applied on the different materials made up of fin, those materials were pure copper, pure aluminum, aluminum alloy 6063 and aluminum alloy 7068. The parameters considered in this analysis were temperature distribution and heat flux. Comparatively, pure copper showed optimum results such as heat flux was 1.6059 x 105 W/m2 and minimum temperature distribution was 290.35 °C.

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