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Refrigerant 134a is the working fluid in a vapor-compression heat pump system with a heating capacity of 60,000 Btu/h. The condenser operates at 300 lbf/in², and the evaporator temperature is -10°F. The refrigerant is a saturated vapor at the evaporator exit and a liquid at 120°F at the condenser exit. Pressure drops in the flows through the evaporator and condenser are negligible. The compression process is adiabatic, and the temperature at the compressor exit is 200°F. 4

Refrigerant 134a is the working fluid in a vapor-compression heat pump system with a heating capacity of 60,000 Btu/h. The condenser operates at 300 lbf/in², and the evaporator temperature is -10°F. The refrigerant is a saturated vapor at the evaporator exit and a liquid at 120°F at the condenser exit. Pressure drops in the flows through the evaporator and condenser are negligible. The compression process is adiabatic, and the temperature at the compressor exit is 200°F. 4

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Thermodynamics 1
Refrigerant 134a is the working fluid in a vapor-compression heat pump system with a heating capacity of 60,000 Btu/h. The condenser operates at 300 lbf/in², and the evaporator temperature is -10°F. The refrigerant is a saturated vapor at the evaporator exit and a liquid at 120°F at the condenser exit. Pressure drops in the flows through the evaporator and condenser are negligible. The compression process is adiabatic, and the temperature at the compressor exit is 200°F. Step 1 Determine the mass flow rate of refrigerant, in lb/min. m = lb/min
Transcribed Image Text:Refrigerant 134a is the working fluid in a vapor-compression heat pump system with a heating capacity of 60,000 Btu/h. The condenser operates at 300 lbf/in², and the evaporator temperature is -10°F. The refrigerant is a saturated vapor at the evaporator exit and a liquid at 120°F at the condenser exit. Pressure drops in the flows through the evaporator and condenser are negligible. The compression process is adiabatic, and the temperature at the compressor exit is 200°F. Step 1 Determine the mass flow rate of refrigerant, in lb/min. m = lb/min
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