100
50
20
10
5
2
1
0.5
0.2
0.1
4000
200
Reference state:
s /(kJ·K-1·kg-1) = 0 and u /(kJ·kg-1) = 0
for saturated liquid at the triple point
3800
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
 p /bar
 h /(kJ·kg-1)
 v /(m3·kg-1)
 Quality
600
20
50
100
700
0.05
500
Plotted by: J P M Trusler
0.02
T -s Diagram for Water
0.01
1000
800
3600
2400
500
T /°C
2200
3400
2000
1800
400
1600
3200
1400
300
1200
3000
1000
200
800
2800
600
0.2
100
0.4
0.6
0.8
400
2600
200
0
0.0
2.0
4.0
6.0
8.0
-1
-1
s /(kJ⋅K ⋅kg )
10.0
12.0
© Imperial College London 2003