The temperature limits of a CO2 refrigerating plants are 25°C and -10°C. If the vapour is dry at the end of compression, calculate COP, the capacity of the refrigeration plant, if 4 kg/min fluid is circulated in the system. Use the following CO2 table. Also, draw the p-h and T-s diagram Temp Liquid Liquid entropy Vapour entropy Vapour enthalpy Latent in °C enthalpy enthalpy Sf in kJ/kg K Sg in kJ/kg K h; in kJ/kg hig in kJ/kg h, in kJ/kg 25 81.3 121.4 202.6 0.251 0.63 |-10 |-7.54 245.3 237 -0.042 0.84

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The temperature limits of a CO2 refrigerating plants are 25°C and -10°C. If the vapour is dry at the end of compression, calculate COP,
the capacity of the refrigeration plant, if 4 kg/min fluid is circulated in the system. Use the following CO2 table. Also, draw the p-h and
T-s diagram
Temp Liquid
Liquid entropy Vapour entropy
Vapour
enthalpy
Latent
in °C
enthalpy
enthalpy
Sf in kJ/kg K
Sg in kJ/kg K
h; in kJ/kg hig in kJ/kg h, in kJ/kg
25
81.3
121.4
202.6
0.251
0.63
|-10
|-7.54
245.3
237
-0.042
0.84
Transcribed Image Text:The temperature limits of a CO2 refrigerating plants are 25°C and -10°C. If the vapour is dry at the end of compression, calculate COP, the capacity of the refrigeration plant, if 4 kg/min fluid is circulated in the system. Use the following CO2 table. Also, draw the p-h and T-s diagram Temp Liquid Liquid entropy Vapour entropy Vapour enthalpy Latent in °C enthalpy enthalpy Sf in kJ/kg K Sg in kJ/kg K h; in kJ/kg hig in kJ/kg h, in kJ/kg 25 81.3 121.4 202.6 0.251 0.63 |-10 |-7.54 245.3 237 -0.042 0.84
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