Related Resources: thermodynamics
Superheated Ammonia Properties
Thermodynamic Properties of Superheated Ammonia for Temperatures -30 to 200 °C
Where:
v = Specific volume
u = Specific internal energy
h = Specific enthalpy
s = Specific entropy
Temp.
(°C) |
v
(m3/kg) |
u
(kJ/kg) |
h
(kJ/kg) |
s
(kJ/kg-K) |
v
(m3 /kg) |
u
(kJ/kg) |
h
(kJ/kg) |
s
(kJ/kg-K) |
50 kPa ( − 46.53 ◦ C)
|
100 kPa ( − 33.60 ◦ C)
|
|||||||
Sat.
|
2.1752
|
1269.6
|
1378.3
|
6.0839
|
1.1381
|
1284.9
|
1398.7
|
5.8401
|
− 30
|
2.3448
|
1296.2
|
1413.4
|
6.2333
|
1.1573
|
1291.0
|
1406.7
|
5.8734
|
− 20
|
2.4463
|
1312.3
|
1434.6
|
6.3187
|
1.2101
|
1307.8
|
1428.8
|
5.9626
|
− 10
|
2.5471
|
1328.4
|
1455.7
|
6.4006
|
1.2621
|
1324.6
|
1450.8
|
6.0477
|
0
|
2.6474
|
1344.5
|
1476.9
|
6.4795
|
1.3136
|
1341.3
|
1472.6
|
6.1291
|
10
|
2.7472
|
1360.7
|
1498.1
|
6.5556
|
1.3647
|
1357.9
|
1494.4
|
6.2073
|
20
|
2.8466
|
1377.0
|
1519.3
|
6.6293
|
1.4153
|
1374.5
|
1516.1
|
6.2826
|
30
|
2.9458
|
1393.3
|
1540.6
|
6.7008
|
1.4657
|
1391.2
|
1537.7
|
6.3553
|
40
|
3.0447
|
1409.8
|
1562.0
|
6.7703
|
1.5158
|
1407.9
|
1559.5
|
6.4258
|
50
|
3.1435
|
1426.3
|
1583.5
|
6.8379
|
1.5658
|
1424.7
|
1581.2
|
6.4943
|
60
|
3.2421
|
1443.0
|
1605.1
|
6.9038
|
1.6156
|
1441.5
|
1603.1
|
6.5609
|
70
|
3.3406
|
1459.9
|
1626.9
|
6.9682
|
1.6653
|
1458.5
|
1625.1
|
6.6258
|
80
|
3.4390
|
1476.9
|
1648.8
|
7.0312
|
1.7148
|
1475.6
|
1647.1
|
6.6892
|
100
|
3.6355
|
1511.4
|
1693.2
|
7.1533
|
1.8137
|
1510.3
|
1691.7
|
6.8120
|
120
|
3.8318
|
1546.6
|
1738.2
|
7.2708
|
1.9124
|
1545.7
|
1736.9
|
6.9300
|
140
|
4.0280
|
1582.5
|
1783.9
|
7.3842
|
2.0109
|
1581.7
|
1782.8
|
7.0439
|
160
|
4.2240
|
1619.2
|
1830.4
|
7.4941
|
2.1093
|
1618.5
|
1829.4
|
7.1540
|
180
|
4.4199
|
1656.7
|
1877.7
|
7.6008
|
2.2075
|
1656.0
|
1876.8
|
7.2609
|
200
|
4.6157
|
1694.9
|
1925.7
|
7.7045
|
2.3057
|
1694.3
|
1924.9
|
7.3648
|
Sat.
|
150 kPa ( − 25.22 ◦ C)
|
200 kPa ( − 18.86 ◦ C)
|
||||||
0.7787
|
1294.1
|
1410.9
|
5.6983
|
0.5946
|
1300.6
|
1419.6
|
5.5979
|
|
− 20
|
0.7977
|
1303.3
|
1422.9
|
5.7465
|
—
|
—
|
—
|
—
|
− 10
|
0.8336
|
1320.7
|
1445.7
|
5.8349
|
0.6193
|
1316.7
|
1440.6
|
5.6791
|
0
|
0.8689
|
1337.9
|
1468.3
|
5.9189
|
0.6465
|
1334.5
|
1463.8
|
5.7659
|
10
|
0.9037
|
1355.0
|
1490.6
|
5.9992
|
0.6732
|
1352.1
|
1486.8
|
5.8484
|
20
|
0.9382
|
1372.0
|
1512.8
|
6.0761
|
0.6995
|
1369.5
|
1509.4
|
5.9270
|
30
|
0.9723
|
1389.0
|
1534.9
|
6.1502
|
0.7255
|
1386.8
|
1531.9
|
6.0025
|
40
|
1.0062
|
1406.0
|
1556.9
|
6.2217
|
0.7513
|
1404.0
|
1554.3
|
6.0751
|
50
|
1.0398
|
1423.0
|
1578.9
|
6.2910
|
0.7769
|
1421.3
|
1576.6
|
6.1453
|
60
|
1.0734
|
1440.0
|
1601.0
|
6.3583
|
0.8023
|
1438.5
|
1598.9
|
6.2133
|
70
|
1.1068
|
1457.2
|
1623.2
|
6.4238
|
0.8275
|
1455.8
|
1621.3
|
6.2794
|
80
|
1.1401
|
1474.4
|
1645.4
|
6.4877
|
0.8527
|
1473.1
|
1643.7
|
6.3437
|
100
|
1.2065
|
1509.3
|
1690.2
|
6.6112
|
0.9028
|
1508.2
|
1688.8
|
6.4679
|
120
|
1.2726
|
1544.8
|
1735.6
|
6.7297
|
0.9527
|
1543.8
|
1734.4
|
6.5869
|
140
|
1.3386
|
1580.9
|
1781.7
|
6.8439
|
1.0024
|
1580.1
|
1780.6
|
6.7015
|
160
|
1.4044
|
1617.8
|
1828.4
|
6.9544
|
1.0519
|
1617.0
|
1827.4
|
6.8123
|
180
|
1.4701
|
1655.4
|
1875.9
|
7.0615
|
1.1014
|
1654.7
|
1875.0
|
6.9196
|
200
|
1.5357
|
1693.7
|
1924.1
|
7.1656
|
1.1507
|
1693.2
|
1923.3
|
7.0239
|
220
|
1.6013
|
1732.9
|
1973.1
|
7.2670
|
1.2000
|
1732.4
|
1972.4
|
7.1255
|