As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lb-/in² and is compressed to 160°F, 200 lb/in². The refrigerant exiting the compressor enters a condenser where energy transfer to air as a separate stream occurs, and the refrigerant exits as a liquid at 200 lb/in², 90°F. Air enters the condenser at 80°F, 14.7 lb-/in² with a volumetric flow rate of 1500 ft3/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, and assume ideal gas behavior for the air. 5 I₁=110°F Compressor 1- R22 at www ww T₂=160°F P₂-200 lbfin ² -Condenser Air at T₁ P4-14.7 lbfin.² (AV)₂ 73-90°F P-200 lbf/in² T₂ All = 60°F T₂ = 90°F T₁ = 40°F T₁=40°F P1-80 lbf/in.² Determine the mass flow rate of refrigerant, in lb/min, and the compressor power, in horsepower. P2 = Pa = 200 lb/in² Pi = 80 lbrin²
As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lb-/in² and is compressed to 160°F, 200 lb/in². The refrigerant exiting the compressor enters a condenser where energy transfer to air as a separate stream occurs, and the refrigerant exits as a liquid at 200 lb/in², 90°F. Air enters the condenser at 80°F, 14.7 lb-/in² with a volumetric flow rate of 1500 ft3/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, and assume ideal gas behavior for the air. 5 I₁=110°F Compressor 1- R22 at www ww T₂=160°F P₂-200 lbfin ² -Condenser Air at T₁ P4-14.7 lbfin.² (AV)₂ 73-90°F P-200 lbf/in² T₂ All = 60°F T₂ = 90°F T₁ = 40°F T₁=40°F P1-80 lbf/in.² Determine the mass flow rate of refrigerant, in lb/min, and the compressor power, in horsepower. P2 = Pa = 200 lb/in² Pi = 80 lbrin²
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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Question
Question 40
![As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lb-/in²
and is compressed to 160°F, 200 lb/in². The refrigerant exiting the compressor enters a condenser where energy transfer to air as a
separate stream occurs, and the refrigerant exits as a liquid at 200 lb/in², 90°F. Air enters the condenser at 80°F, 14.7 lb-/in² with a
volumetric flow rate of 1500 ft3/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, and
assume ideal gas behavior for the air.
5
I₂ = 110°F
Compressor
1+ R22 at
www
www
T₂=160°F
P₂= 200 lbfin ²
Condenser
3
Air at T₁ P4-14.71bfin.²
(AV),
73-90°F
P3= 200 lbf/in.²
H
T₂
= 60°F
T₁
= 90°F
T₁
= 40°F
I₁ = 40°F
P1-80 lbf/in.²
Determine the mass flow rate of refrigerant, in lb/min, and the compressor power, in horsepower.
P2 = P3 = 200 lb/in²
Pi = 80 lbrin²](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F63792d50-862a-477a-90e7-26b0e3ee6e5e%2Fbe385f63-7ded-4aa6-ae39-1e87db5e4fb1%2F4suhawb_processed.png&w=3840&q=75)
Transcribed Image Text:As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lb-/in²
and is compressed to 160°F, 200 lb/in². The refrigerant exiting the compressor enters a condenser where energy transfer to air as a
separate stream occurs, and the refrigerant exits as a liquid at 200 lb/in², 90°F. Air enters the condenser at 80°F, 14.7 lb-/in² with a
volumetric flow rate of 1500 ft3/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, and
assume ideal gas behavior for the air.
5
I₂ = 110°F
Compressor
1+ R22 at
www
www
T₂=160°F
P₂= 200 lbfin ²
Condenser
3
Air at T₁ P4-14.71bfin.²
(AV),
73-90°F
P3= 200 lbf/in.²
H
T₂
= 60°F
T₁
= 90°F
T₁
= 40°F
I₁ = 40°F
P1-80 lbf/in.²
Determine the mass flow rate of refrigerant, in lb/min, and the compressor power, in horsepower.
P2 = P3 = 200 lb/in²
Pi = 80 lbrin²
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