As shown in the figure, Refrigerant 22 enters the compressor of an air conditioning unit operating at steady state at 40°F, 80 lb/in and is compressed to 160°F, 200 lb/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 lb/in², 90°F. Air enters the condenser at 75°F, 14.7 lb/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. Compresser 1822 110ºF 7₁-40FF P-80² 7₂-160F -Condenser wwwww www Aut. F-1471² (AV) 7₁-90°F Py = 200 m² P=200 Them =6FF INE <-999 T: T -40°F 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 lb/in and is compressed to 160°F, 200 lb/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 lb/in², 90°F. Air enters the condenser at 75°F, 14.7 lb/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. Compresser 1822 110ºF 7₁-40FF P-80² 7₂-160F -Condenser wwwww www Aut. F-1471² (AV) 7₁-90°F Py = 200 m² P=200 Them =6FF INE <-999 T: T -40°F 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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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 70°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. Step 1 I₁-110°F Compressor 1+ R22 at MR22 = www www T₂-160°F P₁-200 lbfin.² Condenser Air at T₁ P4-14.71bfin.² (AV), 7₁-90°F P-200 lbf/in² T₁=40°F Pi-80 lbfin.² Determine the mass flow rate of refrigerant, in lb/min, and the compressor power, in horsepower. Determine the mass flow rate of refrigerant, in lb/min. lb/min T₂ <- 60°F T₁ = 90°F T₁ = 40°F Pa = Pa = 200 bin² P-801brin²
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