c) A refrigerator is used to keep the cold space at -5 °C by rejecting 8 kJ/s of heat by the condenser to the outdoor air at 25 °C. If the compressor consumes 3 kJ/s of power, determine the rate of heat removed from the cold space (kJ/s), the COP of the refrigerator the minimum power input to the compressor for the same rate of heat removed (kJ/s), and i. ii. iii. iv. draw the schematic of the refrigerator as a reversed heat engine.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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c) A refrigerator is used to keep the cold space at -5 °C by rejecting 8 kJ/s of heat by the condenser to
the outdoor air at 25 °C. If the compressor consumes 3 kJ/s of power, determine
the rate of heat removed from the cold space (kJ/s),
the COP of the refrigerator
i.
ii.
iii.
the minimum power input to the compressor for the same rate of heat removed (kJ/s), and
draw the schematic of the refrigerator as a reversed heat engine.
iv.
Transcribed Image Text:c) A refrigerator is used to keep the cold space at -5 °C by rejecting 8 kJ/s of heat by the condenser to the outdoor air at 25 °C. If the compressor consumes 3 kJ/s of power, determine the rate of heat removed from the cold space (kJ/s), the COP of the refrigerator i. ii. iii. the minimum power input to the compressor for the same rate of heat removed (kJ/s), and draw the schematic of the refrigerator as a reversed heat engine. iv.
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