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Define COP of Heat pump and refrigerator and derive the relationship between the two.

written 8.5 years ago by teamques10 ★ 68k

modified 2.5 years ago by sagarkolekar ★ 11k

thermodynamics

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1 Answer

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written 8.5 years ago by teamques10 ★ 68k

COP of Pump = Ratio of heat transferred to work done.

= Qh/W … i

COP of refrigerater = Ratio of heat removed to work done.

= Ql/W … ii

By first law, Qh = W + Ql

Put in i

(W + QL)/W = 1+ Cop ref (from ii)

So,

COP pump = 1 + COP ref

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