Formula for COP of heat pump - Thermodynamics

Q.  What is correct formula for calculating COP of heat pump?


- Published on 19 Aug 15
Heat-Pump-COP.png


a. [COP]H. P. = Q1 / W
b. [COP]H. P. = Q2 / W
c. [COP]H. P. = W / Q1
d. [COP]H. P. = W / Q2

ANSWER: [COP]H. P. = Q1 / W

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    Discussion

  • A.Balakrishnan   -Posted on 14 Jun 17
    The efficiencyof the heat engine is
    Eff = Work done (W1)/Heat supplied (Q1).
    The coefficient of performance (COP) Is reversely to the heat engine.
    ie:

    COP = Heat supplied (Q1)/workdone (W).

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