Multi stage compression Flashcards
1
Q
The fraction of the refrigerant that evaporates
A
x6 = h6 - hf / hfg
2
Q
The amount of heat removed
A
QL = (1-x6)(h1 - h8)
3
Q
The compressor work
A
Win = (1-x6)(h2-h1) + (1) (h4 -h9)
h9 = x6h3 + (1-x6)h2
4
Q
COP
A
COP = QL / Win