As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 801B,/h² 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 lb/in² with a volumetric flow rate of 1250 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. 7₁-110°F 1+ R22 at 2- Compressor www www T₂-160°F P₂-200 lbfin T₁-40°F Pi-80 lbf/in.² Condenser 4 Air at T₁ P4-14.7 lbfin.' (AV)4 73-90°F P-200 lbf/in² 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 = po = 200 bin p=80 Ihrin
As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 801B,/h² 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 lb/in² with a volumetric flow rate of 1250 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. 7₁-110°F 1+ R22 at 2- Compressor www www T₂-160°F P₂-200 lbfin T₁-40°F Pi-80 lbf/in.² Condenser 4 Air at T₁ P4-14.7 lbfin.' (AV)4 73-90°F P-200 lbf/in² 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 = po = 200 bin p=80 Ihrin
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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