Related Resources: thermodynamics

Saturated Ammonia Properties

Thermodynamics
Heat Transfer

Thermodynamic Properties of Saturated Ammonia for Temperatures -50 to 132.3 °C Enthalpy, kJ/kg, Entropy, kJ/kg-K

Temp.
(°C)
Press.
(kPa)
Enthalpy, kJ/kg
Entropy, kJ/kg-K
Sat. Liquid
hf
Evap.
hfg
Sat. Vapor
hg
Sat. Liquid
sf
Evap.
sfg
Sat. Vapor
sg
− 50
40.9
− 43.76
1416.3
1372.6
− 0.1916
6.3470
6.1554
− 45
54.5
− 21.94
1402.8
1380.8
− 0.0950
6.1484
6.0534
− 40
71.7
0
1388.8
1388.8
0
5.9567
5.9567
− 35
93.2
22.06
1374.5
1396.5
0.0935
5.7715
5.8650
− 30
119.5
44.26
1359.8
1404.0
0.1856
5.5922
5.7778
− 25
151.6
66.58
1344.6
1411.2
0.2763
5.4185
5.6947
− 20
190.2
89.05
1329.0
1418.0
0.3657
5.2498
5.6155
− 15
236.3
111.66
1312.9
1424.6
0.4538
5.0859
5.5397
− 10
290.9
134.41
1296.4
1430.8
0.5408
4.9265
5.4673
− 5
354.9
157.31
1279.4
1436.7
0.6266
4.7711
5.3977
0
429.6
180.36
1261.8
1442.2
0.7114
4.6195
5.3309
5
515.9
203.58
1243.7
1447.3
0.7951
4.4715
5.2666
10
615.2
226.97
1225.1
1452.0
0.8779
4.3266
5.2045
15
728.6
250.54
1205.8
1456.3
0.9598
4.1846
5.1444
20
857.5
274.30
1185.9
1460.2
1.0408
4.0452
5.0860
25
1003.2
298.25
1165.2
1463.5
1.1210
3.9083
5.0293
30
1167.0
322.42
1143.9
1466.3
1.2005
3.7734
4.9738
35
1350.4
346.80
1121.8
1468.6
1.2792
3.6403
4.9196
40
1554.9
371.43
1098.8
1470.2
1.3574
3.5088
4.8662
45
1782.0
396.31
1074.9
1471.2
1.4350
3.3786
4.8136
50
2033.1
421.48
1050.0
1471.5
1.5121
3.2493
4.7614
55
2310.1
446.96
1024.1
1471.0
1.5888
3.1208
4.7095
60
2614.4
472.79
997.0
1469.7
1.6652
2.9925
4.6577
65
2947.8
499.01
968.5
1467.5
1.7415
2.8642
4.6057
70
3312.0
525.69
938.7
1464.4
1.8178
2.7354
4.3533
75
3709.0
552.88
907.2
1460.1
1.8943
2.6058
4.5001
80
4140.5
580.69
873.9
1454.6
1.9712
2.4746
4.4458
85
4608.6
609.21
838.6
1447.8
2.0488
2.3413
4.3901
90
5115.3
638.59
800.8
1439.4
2.1273
2.2051
4.3325
95
5662.9
668.99
760.2
1429.2
2.2073
2.0650
4.2723
100
6253.7
700.64
716.2
1416.9
2.2893
1.9195
4.2088
105
6890.4
733.87
668.1
1402.0
2.3740
1.7667
4.1407
110
7575.7
769.15
614.6
1383.7
2.4625
1.6040
4.0665
115
8313.3
807.21
553.8
1361.0
2.5566
1.4267
3.9833
120
9107.2
849.36
482.3
1331.7
2.6593
1.2268
3.8861
125
9963.5
898.42
393.0
1291.4
2.7775
0.9870
3.7645
130
10892
963.29
263.7
1227.0
2.9326
0.6540
3.5866
132.3
11333
1085.85
0
1085.9
3.2316
0
3.2316