Q5 Solve the vapor compression refrigeration system 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. Temp. °C Density I Kg/m3 Pressure hl hg kJ/kg 407.5 V sl sg Cpl Срд kJ/kg.K kJ/kg.K kJ/kg.K m/kg 0.03796 Bar kJ/kg 208.3 kJ/kg.K 1.03 6.215 6.409 7 1257 1.741 1.19 1.193 0.7704 8 1254 0.03683 209.5 407.9 1.74 0.775 1.034 1.225 54 21.27 1062 0.01048 268.9 417.6 1.68 1.461 1.173 56 22.24 1052 0.00995 271.8 417.7 1.233 1.677 1.485 1.208
Q5 Solve the vapor compression refrigeration system 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. Temp. °C Density I Kg/m3 Pressure hl hg kJ/kg 407.5 V sl sg Cpl Срд kJ/kg.K kJ/kg.K kJ/kg.K m/kg 0.03796 Bar kJ/kg 208.3 kJ/kg.K 1.03 6.215 6.409 7 1257 1.741 1.19 1.193 0.7704 8 1254 0.03683 209.5 407.9 1.74 0.775 1.034 1.225 54 21.27 1062 0.01048 268.9 417.6 1.68 1.461 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.
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Transcribed Image Text:Q5
Solve the vapor compression refrigeration system
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
Temp.
Pressure
hg
kJ/kg
kJ/kg
V
hl
sl
sg
Cpl
Срд
kJ/kg.K kJ/kg.K kJ/kg.K
m3/kg
0.03796
Bar
kJ/kg.K
1.03
°C
7
6.215
1257
208.3
407.5
1.741
1.19
1.193
0.7704
8
6.409
1254
0.03683
209.5
407.9
1.034
1.74
0.775
54
21.27
1062
0.01048
268.9
417.6
1.225
1.68
1.461
1.173
56
22.24
1052
0.00995
271.8
417.7
1.233
1.677
1.485
1.208
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