Cold air enters an air conditioner at 4.4 C (40 F) with 50% relative humidity at a

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Cold air enters an air conditioner at 4.4 °C (40 F) with 50% relative humidity at a volumetric flow rate of 1000 ft3/min. The air is then heated. Next, moisture at 21.1 °C (70 F) and 1 atm is added adiabatically to bring the air to 26.7 °C (80 F) with a 40% relative humidity. The entire process occurs at 1 atm. Determine 

(a) The rate of moisture addition to the air (kg/min)

(b) The heat-transfer rate (W)

(c) The air temperature (°C) after heating.

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Thermodynamics Concepts And Applications

ISBN: 9781107179714

2nd Edition

Authors: Stephen R. Turns, Laura L. Pauley

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