Multi stage compression Flashcards by Muzamil Mo

Q

The fraction of the refrigerant that evaporates

A

x6 = h6 - hf / hfg

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Q

The amount of heat removed

A

QL = (1-x6)(h1 - h8)

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Q

The compressor work

A

Win = (1-x6)(h2-h1) + (1) (h4 -h9)

h9 = x6h3 + (1-x6)h2

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Q

COP

A

COP = QL / Win

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