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26 Low-Temperature Energy Systems with Applications of Renewable Energy
kJ/kg
Exergy, 62.85 59.96 57.98 121.69 125.12 111.29 84.62 0
kJ/kg
Enthalpy, 234.77 403.59 520.09 583.80 597.78 536.28 403.59 539.54
kJ/kg . K
Entropy, 1.1219 1.6978 2.0952 2.0952 2.1306 1.9707 1.6151 2.3549
R152a. Quality 0 0.5917 1 superheated superheated 1 0 superheated
example; 8C
pump Temperature,
heat 118.65 125.75
for 20 20 20 100 100 25
properties MPa
State-point Pressure, 0.51291 0.51291 0.51291 3.5050 3.5050 3.5050 3.5050 0.100
1.2
Table Point f 1 2 3s 3 d 4 0
