eparate stream occurs, and the refrigerant exits as a liquid at 200 Ib;/in?, 90°F. Air enters the condenser at 75°F, 14.7 Ib/in? with a olumetric flow rate of 1500 ft°/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, and ssume ideal gas behavior for the air. Condeaser Air at T, P4-14.7 bfin (AV), Pa = p3 = 200 brin- www I;= 160 F P-200 bLin.² 73-90'F T: - 60°F pi= 80 Ibrin = 90°F T = 40°F Compressor 1+ R22 at I-40°F P -80 Itfin?

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As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40oF, 80 lbf/in2 and is compressed to 160oF, 200 lbf/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 lbf/in2, 90oF. Air enters the condenser at 75oF, 14.7 lbf/in2 with a volumetric flow rate of 1500 ft3/min and exits at 110oF. Neglect stray heat transfer and kinetic and potential energy effects, and assume ideal gas behavior for the air. 

e Chapter 4 Assignment
Question 13 of 14
>
-/ 1
As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 Ib/in?
and is compressed to 160°F, 200 Ib;/in?. 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 lbę/in?, 90°F. Air enters the condenser at 75°F, 14.7 Ib/in² with a
volumetric flow rate of 1500 ft/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, and
assume ideal gas behavior for the air.
Condenser
4
Air at T, P4 =14.7 1bf'in?
(AV),
P2 = p3 = 200 Ib/in
T2
T3-90°F
= 60°F
12= 160°F
P2=200 lbfin?
P =200 lbf/in 2
T3
= 90°F
pi = 80 Ibrin
T1
ressor
1
= 40°F
1+ R22 at
I=40°F
P -80 Ibfin 2
Determine the mass flow rate of refrigerant, in Ib/min, and the compressor power, in horsepower.
Step 1
Determine the mass flow rate of refrigerant, in Ib/min.
II
Transcribed Image Text:e Chapter 4 Assignment Question 13 of 14 > -/ 1 As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 Ib/in? and is compressed to 160°F, 200 Ib;/in?. 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 lbę/in?, 90°F. Air enters the condenser at 75°F, 14.7 Ib/in² with a volumetric flow rate of 1500 ft/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, and assume ideal gas behavior for the air. Condenser 4 Air at T, P4 =14.7 1bf'in? (AV), P2 = p3 = 200 Ib/in T2 T3-90°F = 60°F 12= 160°F P2=200 lbfin? P =200 lbf/in 2 T3 = 90°F pi = 80 Ibrin T1 ressor 1 = 40°F 1+ R22 at I=40°F P -80 Ibfin 2 Determine the mass flow rate of refrigerant, in Ib/min, and the compressor power, in horsepower. Step 1 Determine the mass flow rate of refrigerant, in Ib/min. II
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