A refrigerator absorbs 137 kJ/kg of heat from a cool compartment at -10°C and rejects heat to the kitchen air at 30 °C. The amount of work supplied to the refrigerator is 54 kJ/kg. i) Sketch the schematic diagram of the refrigerator system. ii) Calculate the COP of the refrigerator. iii) Determine whether this refrigerator is reversible, irreversible or impossible.
A refrigerator absorbs 137 kJ/kg of heat from a cool compartment at -10°C and rejects heat to the kitchen air at 30 °C. The amount of work supplied to the refrigerator is 54 kJ/kg. i) Sketch the schematic diagram of the refrigerator system. ii) Calculate the COP of the refrigerator. iii) Determine whether this refrigerator is reversible, irreversible or impossible.
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter45: Domestic Refrigerators And Freezers
Section: Chapter Questions
Problem 2RQ: The operating condition for the single compressor in a household refrigerator is the lowest box...
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