Question: A hot surface is cooled by attaching fins (called pin fins) to it, as shown in Figure P13-16. The surface of the plate (left end

A hot surface is cooled by attaching fins (called pin fins) to it, as shown in Figure P13-16. The surface of the plate (left end of the pin) is 90 oC. The fins are 6 cm long and have a cross-sectional area of 5 Ã— 10-6 m2 with a perimeter of 0.006 m. The fins are made of copper (k = 400 W/m-oC). The temperature of the surrounding air is T( = 20 oC with heat transfer coefficient on the surface (including the end surface) of h = 10 W/m2 -oC. A model of the typical fin is also shown in Figure P13-16. Use three elements in your finite element model to determine the temperatures along the fin length.
Figure P13-16

6 cm 0.8 cm 0.25 cm 90C 6 cm

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