A combination air cooler and dehumidification unit recover outside ambient air at 35 oC, 100 kPa, 90% relative humidity. This air-water vapor mixture is first cooled to a low temperature to condense the proper amount of water, after which the air-vapor mixture is heated, leaving the unit at 20 oC, 30% relative humidity. The volume flow rate of the air-vapor mixture at the exit conditions is 0.01 m3/s. Find the temperature to which the mixture is initially cooled, and the mass of water condensed per kilogram of dry air. Assuming that all the liquid water condensed leaves the unit at the minimum temperature, calculate the overall heat transfer rate.
A combination air cooler and dehumidification unit recover outside ambient air at 35 oC, 100 kPa, 90% relative humidity. This air-water vapor mixture is first cooled to a low temperature to condense the proper amount of water, after which the air-vapor mixture is heated, leaving the unit at 20 oC, 30% relative humidity. The volume flow rate of the air-vapor mixture at the exit conditions is 0.01 m3/s. Find the temperature to which the mixture is initially cooled, and the mass of water condensed per kilogram of dry air. Assuming that all the liquid water condensed leaves the unit at the minimum temperature, calculate the overall heat transfer rate.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A combination air cooler and dehumidification unit recover outside ambient air at 35 oC, 100 kPa, 90% relative humidity. This air-water vapor mixture is first cooled to a low temperature to condense the proper amount of water, after which the air-vapor mixture is heated, leaving the unit at 20 oC, 30% relative humidity. The volume flow rate of the air-vapor mixture at the exit conditions is 0.01 m3/s.
- Find the temperature to which the mixture is initially cooled, and the mass of water condensed per kilogram of dry air.
- Assuming that all the liquid water condensed leaves the unit at the minimum temperature, calculate the overall heat transfer rate.
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