A dehumidifier is essentially a refrigerator with an
Chapter 20, Problem 20.81(choose chapter or problem)
A dehumidifier is essentially a refrigerator with an opendoor. The humid air is pulled in by a fan and guided to acold coil, whose temperature is less than the dew point,and some of the airs water condenses. After this water isextracted, the air is warmed back to its original temperatureand sent into the room. In a well-designed dehumidifier, theheat is exchanged between the incoming and outgoing air.Thus the heat that is removed by the refrigerator coilmostly comes from the condensation of water vapor to liquid.Estimate how much water is removed in 1.0 h by anideal dehumidifier, if the temperature of the room is 25 C,the water condenses at 8C, and the dehumidifier does workat the rate of 650 W of electrical power.
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