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23 Nov 2019
A vapor-compression refrigeration system using Refrigerant 134a isbeing designed for a household food freezer. The refrigerationsystem must maintain a temperature of 18ºC
within the freezer compartment when the temperature of the room is32ºC. Under these conditions, the steady-state heat transfer ratefrom the room into the freezer compartment is 440 W. Specifyoperating pressures and temperatures at key
points within the refrigeration system and estimate the refrigerantmass flow rate and compressor power required.
A vapor-compression refrigeration system using Refrigerant 134a isbeing designed for a household food freezer. The refrigerationsystem must maintain a temperature of 18ºC
within the freezer compartment when the temperature of the room is32ºC. Under these conditions, the steady-state heat transfer ratefrom the room into the freezer compartment is 440 W. Specifyoperating pressures and temperatures at key
points within the refrigeration system and estimate the refrigerantmass flow rate and compressor power required.
2 Dec 2023
