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 80°F, 14.7 lb-/in² with a volumetric flow rate of 750 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 1; -110°F www www Compressor 1+R22 at T₂=160°F P₂-200 lbf in ¹ Condenser 4 + Air at T₁ P4-14.71bfin² (AV)4 7₁-90°F P=200 lbf/in. ² T₂ = 60°F T₂ = 90°F T₁ = 40°F P2 P3200 lb/in² AF Pi = 80 Ibrin² I₁ = 40°F P1-80 lbf/in² Determine the mass flow rate of refrigerant, in lb/min, and the compressor power, in horsepower.

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 80°F, 14.7 lb-/in² with a volumetric flow rate of 750 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 1; -110°F www www Compressor 1+R22 at T₂=160°F P₂-200 lbf in ¹ Condenser 4 + Air at T₁ P4-14.71bfin² (AV)4 7₁-90°F P=200 lbf/in. ² T₂ = 60°F T₂ = 90°F T₁ = 40°F P2 P3200 lb/in² AF Pi = 80 Ibrin² I₁ = 40°F P1-80 lbf/in² Determine the mass flow rate of refrigerant, in lb/min, and the compressor power, in horsepower.

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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