Efficiency and Performance Flashcards

1
Q

How is the efficiency of a heat engine calculated?

A

η= NetWorkOutput / Heat Input

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2
Q

How is the coefficient of performance (COP) of a refrigerator calculated?

A

COP = Q_c / W

Where
Q_c : Heat extracted
W : Work input

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3
Q

What is the COP of a heat pump?

A

COP = Q_H / W

Where
Q_H : Heat delivered

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