An ideal vapour-compression refrigeration cycle, that uses refrigerant-134a as its working fluid, maintains a condenser at...
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An ideal vapour-compression refrigeration cycle, that uses refrigerant-134a as its working fluid, maintains a condenser at 800 kPa and the evaporator at -20C. Following the conventional numbering of the processes, you are given the following state properties (these are obtained from the tables/ equations, so you don't have to use them). h=238.43 kJ/kg, s=0.94575 kJ/kgK h2= 275.74 kJ/kg h3=95.48 kJ/kg To service a 150 kW cooling load, determine the (a) Amount of power required: W in kW (b) Coefficient of performance: COP An ideal vapour-compression refrigeration cycle, that uses refrigerant-134a as its working fluid, maintains a condenser at 800 kPa and the evaporator at -20C. Following the conventional numbering of the processes, you are given the following state properties (these are obtained from the tables/ equations, so you don't have to use them). h=238.43 kJ/kg, s=0.94575 kJ/kgK h2= 275.74 kJ/kg h3=95.48 kJ/kg To service a 150 kW cooling load, determine the (a) Amount of power required: W in kW (b) Coefficient of performance: COP
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