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FUNDAMENTALS OF ENERGY BALANCES
2.00
5.00
1.10
1.05
1.50
1.30
1.20
1.15
1.00
0.95
0.6
0.5
0.90
0.4
Pr
T = 0.85
0.3
r
0.2
0.80
0.1
0.70
0.60
1.0 0
1.4
1.7
1.5
1.1
1.3
1.2
1.6
Y
1.20 1.30 1.50 1.30 2.00 1.20 5.00 1.15 1.10 1.05 1.00 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 Reduced pressure, P r 89 Y function compressibility
1.4 Generalised
1.15
1.10 1.2 3.10.
Figure
1.0
1.05
0.8
0.6
V P r temperature, T r = 1.00 0.4
∂ ∂
P V P P c P T c Reduced 0.2
Y = − P r = T r =
5 4 3 2 Compressibility function, Y 1 0