An Ammonia refrigerant vapor compression system is utilized as an air-cooled water chiller. It is operating at a condenser temperature of 40oC and an evaporator temperature of 0 oC. The system develops 15 Tons of Refrigeration. Determine: a. The discharge temperature and mass flow rate of the refrigerant circulated. b. The theoretical piston displacement of the compressor. c. The theoretical compressor work. d. The heat rejected in the condenser. e. The Carnot COP and the actual COP of the cycle. f. The volume of air supplied in the condenser if it enters at 30oC and leaves at 34oC. g. LMTD and AMTD in the condenser h. The water flow rate of the chiller if it enters the evaporator at 10oC and Prepared By/ Date (Faculty Member) Reviewed By/ Date (Program Chair) Page of TEDDY P. CASACOP ALEXANDER HAMILTON S. ATIENZA leaves at 5 oC. i. LMTD and AMTD in the evaporator

Elements Of Electromagnetics
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An Ammonia refrigerant vapor compression system is utilized as an air-cooled water chiller. It is operating at a condenser temperature of 40oC and an evaporator temperature of 0 oC. The system develops 15 Tons of Refrigeration. Determine: a. The discharge temperature and mass flow rate of the refrigerant circulated. b. The theoretical piston displacement of the compressor. c. The theoretical compressor work. d. The heat rejected in the condenser. e. The Carnot COP and the actual COP of the cycle. f. The volume of air supplied in the condenser if it enters at 30oC and leaves at 34oC. g. LMTD and AMTD in the condenser h. The water flow rate of the chiller if it enters the evaporator at 10oC and Prepared By/ Date (Faculty Member) Reviewed By/ Date (Program Chair) Page of TEDDY P. CASACOP ALEXANDER HAMILTON S. ATIENZA leaves at 5 oC. i. LMTD and AMTD in the evaporator
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