Question
A commercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at 30C by rejecting its waste heat to cooling
A commercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at 30C by rejecting its waste heat to cooling water that enters the condenser at 18C at a rate of 0.34 kg/s and leaves at 26C. The refrigerant enters the condenser at 1.2 MPa and 65C and leaves at 42C. The inlet state of the compressor is 60 kPa and 34C and the compressor is estimated to gain a net heat of 480 W from the surroundings.The heat exchanger loses no heat to the environment.
Determine the refrigeration load. (Take the required values fromsaturated refrigerant-134a tables and steam tables.)
(You must provide an answer before moving on to the next part.)
The refrigeration load is __ kW.
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