Engineering, 13.11.2019 17:31, iuthvK5866

6-101a commercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at −35°c by rejecting waste heat to cooling water that enters the condenser at 18°c at a rate of 0.25 kg/s and leaves at 26°c. the refrigerant enters the condenser at 1.2 mpa and 50°c and leaves at the same pressure subcooled by 5°c. if the compressor consumes 3.3 kw of power, determine
(a) the mass flow rate of the refrigerant,
(b) the refrigeration load,
(c) the cop, and
(d) the minimum power input to the compressor for the same ref

Answers: 3

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6-101a commercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrig...