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  3. an extended surface assembly consists of a base and an...

Question: an extended surface assembly consists of a base and an...

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An extended surface assembly consists of a base and an attached rod (fin) constructed of an aluminum alloy. The base is maintained at 100 °C. The aluminum rod is 80 cm in length and is screwed into the base. The aluminum rod is 1.272 cm in diameter with a thermal conductivity of 134 W/m K. The surrounding air is at 20°C and has a convective heat transfer coefficient of 8 W/m2 K. Determine the temperature at a position 50 cm down the fin from the base. 2.

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