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A refrigeration unit is to be designed for a meat market using R-22 to maintain meat at 0.00°C while operating in an environment at 30.0°C. The refrigerant enters the condenser as a saturated vapor and exits as a saturated liquid. Determine the coefficient of performance (COP) for this refrigerator, using

a. A reversed Carnot cycle operating between these temperature limits.

b. An isentropic, vapor-compression refrigeration cycle with an aergonic, adiabatic throttling valve installed between the high-pressure condenser and the low-pressure evaporator.

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