Question: 3 - 1 3 0 A hot surface at 1 0 0 C is to be cooled by attaching 3 - c m - long,

3-130 A hot surface at 100C is to be cooled by attaching 3-cm-long, 0.25-cm-diameter aluminum pin fins (k=237Wm*K) to it, with a center-to-center distance of 0.6 cm . The temperature of the surrounding medium is 30C, and the heat transfer coefficient on the surfaces is 35Wm2*K. Determine the rate of heat transfer from the surface for a 1-m 1-m section of the plate. Also determine the overall effectiveness of the fins.
FIGURE P3-130
3 - 1 3 0 A hot surface at 1 0 0 C is to be

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