A standard VCRC working with R-22, operates between temperature limits of 7.2°C and 54.4°C. The heat required to be rejected 100 MJ/h. Determine: 1. The dryness fraction of refrigerant entering the evaporator. 2. The discharge temperature. 3. The piston displacement of the compressor. 4. The theoretical power of the compressor. 5. The C O.P. Density I Kg/m3 Cp g kJ/kg.K 0.7704 Temp. Pressure hl hg sl Cpl kJ/kg.K 1.19 V sg Bar kJ/kg kJ/kg kJ/kg.K m/kg 0.03796 0.03683 kJ/kg.K 1.03 °C 7 6.215 1257 208.3 407.5 1.741 1.193 1.461 8 6.409 1254 209.5 407.9 1.034 1.74 0.775 54 21.27 1062 0.01048 268.9 417.6 1.225 1.68 1.173 56 22.24 1052 0.00995 271.8 417.7 1.233 1.677 1.485 1.208
A standard VCRC working with R-22, operates between temperature limits of 7.2°C and 54.4°C. The heat required to be rejected 100 MJ/h. Determine: 1. The dryness fraction of refrigerant entering the evaporator. 2. The discharge temperature. 3. The piston displacement of the compressor. 4. The theoretical power of the compressor. 5. The C O.P. Density I Kg/m3 Cp g kJ/kg.K 0.7704 Temp. Pressure hl hg sl Cpl kJ/kg.K 1.19 V sg Bar kJ/kg kJ/kg kJ/kg.K m/kg 0.03796 0.03683 kJ/kg.K 1.03 °C 7 6.215 1257 208.3 407.5 1.741 1.193 1.461 8 6.409 1254 209.5 407.9 1.034 1.74 0.775 54 21.27 1062 0.01048 268.9 417.6 1.225 1.68 1.173 56 22.24 1052 0.00995 271.8 417.7 1.233 1.677 1.485 1.208
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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