1.66
1.62
1.58
1.54
1.50
1.46
1.42
1.38
1.34
1.30
1.26
1.22
1.18
1.14
1.10
1.06
1.02
0.98
0.94
0.90
0.86
0.78
0.82
0.74
100
120
p -h Diagram for R134a
0.002
1.70
1.74
110
Plotted by: J P M Trusler
1.78
Reference state:
h /(kJ·kg-1) = 200 and s /(kJ·K-1·kg-1) = 1.00
for saturated liquid at T = 0°C.
0.005
1.82
100
1.86
90
80
1.94
60
10
 T /°C
 s /(kJ·K-1·kg-1)
 v /(m3·kg-1)
 Quality
0.01
1.90
70
50
0.02
1.98
40
30
2.02
20
2.06 0.05
10
p /bar
2.10
0
0.1
2.14
-10
2.18 0.2
-20
-30
1
2.22
-40
-50
2.26
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
2.30
0.9
0.5
1
0.1
100
200
300
h /(kJ·kg )
500
© Imperial College London 2003
150
140
130
120
110
100
90
70
80
60
50
40
30
20
0
400
-1
10
-50
-40
-30
-20
-10
2.34