7-136E In a production facility, 1.2-in.-thick, 2-ft x 2-ft square brass plates (r = 532.5 lbm/ft3 and cp = 0.091 Btu/lbm · °F) that are initially at a uniform temperature of 75°F are heated by passing them through an oven at 1300°F at a rate of 450 per minute. If the plates remain in the oven until their average temperature rises to 1000°F, determine a) the rate of heat transfer to the plates in the furnace and b) the rate of entropy generation associated with this heat transfer process. | |
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