Determine the rate of heat transfer

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Reference no: EM131015311

A gearbox operating at steady state receives 2 hp along the input shaft and delivers 1.89 hp along the output shaft. The outer surface of the gearbox is at 110°F and has an area of 1.4 ft.2 The temperature of the surroundings away from the immediate vicinity of the gearbox is 70 F. For the gearbox, determine

(a) the rate of heat transfer, in Btu/s.

(b) the rate at which entropy is produced, in Btu/ R s.

Reference no: EM131015311

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