1700
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0
Specific entropy [kJ/kg K]
Specific enthalpy [kJ/kg]
ENTHALPY-ENTROPY DIAGRAM
FOR
STEAM
Liquid at 0 ºC and saturation pressure:
S=0 kJ/K*kg and H=0 kJ/kg
T=Temperature, ºC
P=Pressure, MPa
Produced by I. Aartun, NTNU 2001. Based on the program Allprops,
Center for Applied Thermodynamic Studies, University of Idaho.
T=750
T=700
T=650
T=600
T=550
T=500
T=450
T=400
T=350
T=300
T=250
T=200
T=800
T=150
T=100
T=50
Saturation line
Triple point pressure = 0.000612 Mpa (0.018 ºC)
X=0.95
X=0.90
X=0.85
X=0.80
X=0.75
X=0.70
P=20
P=10
P=5
P=2
P=1
P=0.5
P=0.2
P=0.1
P=0.05
P=0.02
P=0.01
P=0.004
P=0.001
X=1.0
P=0.000612
4
3