As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lbf/in²and is compressed to 160°F, 200 lbf/in2. The refrigerant exiting the compressor enters a condenser where energy transfer to air as aseparate stream occurs, and the refrigerant exits as a liquid at 200 lbf/in², 90°F. Air enters the condenser at 75°F, 14.7 lbf/in² with avolumetric flow rate of 1000 ft³/min and exits at 110°F. Neglect stray heat transfer and kinetic and potential energy effects, andassume ideal gas behavior for the air.I, 110°FCompressor1+ R22 at7₂=160°FP₂-200 lbfin2T₁=40°FP1-80 lbf/in 2-Condenserмишин-wwwAir at T₁ P4-14.7 lbfin.²(AV)473-90°FP=200 lbf/in ²T₂<= 60°FT₁= 90°FT₁= 40°F-ADetermine the mass flow rate of refrigerant, in lb/min, and the compressor power, in horsepower.P2 P3200 lb/in²pi = 80 lbrin²

Given:Refrigerant=R22Refrigerant condition at compressor inlet, P1=80 lbf/in2, T1=40oFRefrigerant…

As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lbf/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 75°F, 14.7 lbf/in² with a volumetric flow rate of 1000 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.

As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lbf/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 75°F, 14.7 lbf/in² with a volumetric flow rate of 1000 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.

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

As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lbf/in²
and is compressed to 160°F, 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, 90°F. Air enters the condenser at 75°F, 14.7 lbf/in² with a
volumetric flow rate of 1000 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.
I, 110°F
Compressor
1+ R22 at
7₂=160°F
P₂-200 lbfin2
T₁=40°F
P1-80 lbf/in 2
-Condenser
мишин
-www
Air at T₁ P4-14.7 lbfin.²
(AV)4
73-90°F
P=200 lbf/in ²
T₂
<= 60°F
T₁
= 90°F
T₁
= 40°F
-
A
Determine the mass flow rate of refrigerant, in lb/min, and the compressor power, in horsepower.
P2 P3200 lb/in²
pi = 80 lbrin²

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