During a summer day in Phoenix, Arizona, the air is at 1 atm, 110oF, and 15 percent relative humidity. Water at 70oF is evaporated into this air to produce air at 75oF and 80 percent relative humidity. How much water, in lbm/lbm dry air, is required and how much cooling, in Btu/lbm dry air, has been produced?

Transcribed Image Text:

Water 70°F 1 atmAir 75℉ 15%