The room in 5.90 has a combined thermal mass of 2000 kg
Chapter 5, Problem 93HP(choose chapter or problem)
Problem 93HP
The room in Problem 5.90 has a combined thermal mass of 2000 kg wood, 250 kg steel, and 500 kg plaster board, Cp = 1kJ/kg-K. Estimate how quickly the room heats up if the air conditioner is turned off on a day when it is 35°C outside.
Problem 5.90
A window air conditioner cools a room at TL =20°C with a maximum of 1.2kWpower input. The room gains 0.6 kW per degree temperature difference to the ambient, and the refrigeration COP is β =0.6 βCarnot. Find the maximum outside temperature, TH, for which the air conditioner provides sufficient cooling.
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