A refrigerator uses R-134a as the working fluid and operates on an ideal vapor compression refrigeration cycle

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A refrigerator uses R-134a as the working fluid and operates on an ideal vapor compression refrigeration cycle between 0.15 MPa and 1 MPa. A temperature difference of 5°C is maintained for effective heat exchange between the refrigerant and its surroundings at the evaporator and condenser. The atmospheric conditions are 100 kPa and 25°C. If the mass flow rate is 0.04 kg/s,
(a) Perform an energy inventory on a rate (kW) basis for the entire cycle complete with an energy flow diagram. Determine the
(b) Energetic efficiency
(c) COP of the system.
(d) Identify the device with the highest rate of energy destruction.
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