(Solution Download) A thin brass pipe, 3 cm in outside diameter, carries hot water at 85?C. It is proposed to place 0.8.


A thin brass pipe, 3 cm in outside diameter, carries hot water at 85?C. It is proposed to place 0.8 mm thick straight circular fins on the pipe to cool it. The fins are 8 cm in diameter and are spaced 2 cm apart. It is determined that h will equal 20 W/m2K on the pipe and 15 W/m2K on the fins, when they have been added. If T8 = 22?C, compute the heat loss per meter of pipe before and after the fins are added.

 







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