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Air enters an air-conditioning system that uses refrigerant-134a at 30OC and 70 percent relative humidity at a rate of 4 m3 /min. The refrigerant enters the cooling section at 700 kPa with a quality of 20 percent and leaves as saturated vapor. The air is cooled to 20OC at a pressure of 1 atm. Determine  (a) the rate of dehumidification in kg/min  (b) the refrigerating Effect in KJ/min  (c) the mass flow rate of the refrigerant in kg/min

Air enters an air-conditioning system that uses refrigerant-134a at 30OC and 70 percent relative humidity at a rate of 4 m3 /min. The refrigerant enters the cooling section at 700 kPa with a quality of 20 percent and leaves as saturated vapor. The air is cooled to 20OC at a pressure of 1 atm. Determine  (a) the rate of dehumidification in kg/min  (b) the refrigerating Effect in KJ/min  (c) the mass flow rate of the refrigerant in kg/min

Elements Of Electromagnetics
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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Air enters an air-conditioning system that uses refrigerant-134a at 30OC and 70 percent relative humidity at a rate of 4 m3 /min. The refrigerant enters the cooling section at 700 kPa with a quality of 20 percent and leaves as saturated vapor. The air is cooled to 20OC at a pressure of 1 atm. Determine

 (a) the rate of dehumidification in kg/min 

(b) the refrigerating Effect in KJ/min 

(c) the mass flow rate of the refrigerant in kg/min

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