A vapour compression refrigeration plant uses ammonia. The compressor takes vapour from the evaporator at 207.7kPa and -8°C and delivers to the condenser at 1470kPa and 113°C. The temperature of the liquid leaving the condenser at a rate of 12kg/min is 38°C. Calculate: (a). the dryness of the refrigerant entering the evaporator (b). the cooling load (c). the power to the compressor (d). coefficient of performance (e). plant capacity

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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11.
A vapour compression refrigeration plant uses ammonia. The compressor
takes vapour from the evaporator at 207.7kPa and -8°C and delivers to the
condenser at 1470kPa and 113°C. The temperature of the liquid leaving the
condenser at a rate of 12kg/min is 38°C. Calculate:
(a). the dryness of the refrigerant entering the evaporator
(b). the cooling load
(c). the power to the compressor
(d). coefficient of performance
(e). plant capacity
Transcribed Image Text:11. A vapour compression refrigeration plant uses ammonia. The compressor takes vapour from the evaporator at 207.7kPa and -8°C and delivers to the condenser at 1470kPa and 113°C. The temperature of the liquid leaving the condenser at a rate of 12kg/min is 38°C. Calculate: (a). the dryness of the refrigerant entering the evaporator (b). the cooling load (c). the power to the compressor (d). coefficient of performance (e). plant capacity
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