An air-conditioning system is to take in outdoor air at 10 C and 30 percent relative humidity at a steady rate of 45 m3/min and to condition it to 25 C and 60 percent relative humidity. The outdoor air is first heated to 22 C in the heating section and then humidified by the injection of hot steam in the humidifying section. Assuming the entire process takes place at a pressure of 100 kPa, determine a. the rate of heat supply in the heating section and b. the mass flow rate of the steam required in the humidifying section.
An air-conditioning system is to take in outdoor air at 10 C and 30 percent relative humidity at a steady rate of 45 m3/min and to condition it to 25 C and 60 percent relative humidity. The outdoor air is first heated to 22 C in the heating section and then humidified by the injection of hot steam in the humidifying section. Assuming the entire process takes place at a pressure of 100 kPa, determine a. the rate of heat supply in the heating section and b. the mass flow rate of the steam required in the humidifying section.
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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An air-conditioning system is to take in outdoor air at 10 C and 30 percent relative
humidity at a steady rate of 45 m3/min and to condition it to 25 C and 60 percent
relative humidity. The outdoor air is first heated to 22 C in the heating section and then
humidified by the injection of hot steam in the humidifying section. Assuming the entire
process takes place at a pressure of 100 kPa, determine
a. the rate of heat supply in the heating section and
b. the mass flow rate of the steam required in the humidifying section.
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