Answer to Question #165687 in Mechanical Engineering for Utkarsh Pandey

Question #165687

A Refrigerator produces a refrigerating effect ( i.e heat removed ) of 8.5MJ/min. If the 

COP of the refrigeration system is 3. Determine the power required to run the compressor.


1
Expert's answer
2021-02-25T04:10:03-0500

COP = Refrigerating effect / work input

3 = 8.5 x 106 J/min / work input

Work input = 8.5 x 106 J/min / 3 = 2.83 x 106 J/min

Power required = Work input/min / 60 = 2.83 x 106 / 60 = 4.72 x 104 W = 47.2 kW3

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