BẢNG TRA MÔI CHẤT R717 AMMONIA

Tables in SI Units

Properties of Saturated Ammonia (Liquid–Vapor): Temperature Table
Specific Volume
m3/kg

Internal Energy
kJ/kg

Enthalpy
kJ/kg

Entropy
kJ/kg # K

Temp.
ЊC

Press.
bar

Sat.
Liquid
vf ϫ 103

Sat.
Vapor
vg

Sat.
Liquid

uf

Sat.
Vapor
ug

Sat.
Liquid
hf

Evap.
hfg

Sat.
Vapor
hg

Sat.
Liquid
sf

Sat.
Vapor
sg

Temp.
ЊC

Ϫ50
Ϫ45

Ϫ40
Ϫ36
Ϫ32

0.4086
0.5453
0.7174
0.8850
1.0832

1.4245
1.4367
1.4493
1.4597
1.4703

2.6265
2.0060
1.5524
1.2757
1.0561

Ϫ43.94
Ϫ22.03
Ϫ0.10
17.47
35.09

1264.99
1271.19

1277.20
1281.87
1286.41

Ϫ43.88
Ϫ21.95
0.00
17.60
35.25

1416.20
1402.52
1388.56
1377.17
1365.55

1372.32
1380.57
1388.56
1394.77
1400.81

Ϫ0.1922
Ϫ0.0951
0.0000
0.0747
0.1484

6.1543
6.0523

5.9557
5.8819
5.8111

Ϫ50
Ϫ45
Ϫ40
Ϫ36
Ϫ32

Ϫ30
Ϫ28
Ϫ26
Ϫ22
Ϫ20

1.1950
1.3159
1.4465
1.7390
1.9019

1.4757
1.4812
1.4867
1.4980
1.5038

0.9634
0.8803

0.8056
0.6780
0.6233

43.93
52.78
61.65
79.46
88.40

1288.63
1290.82
1292.97
1297.18
1299.23

44.10
52.97
61.86
79.72
88.68

1359.65
1353.68
1347.65
1335.36
1329.10

1403.75
1406.66

1409.51
1415.08
1417.79

0.1849
0.2212
0.2572
0.3287
0.3642

5.7767
5.7430
5.7100
5.6457
5.6144

Ϫ30
Ϫ28
Ϫ26
Ϫ22
Ϫ20

Ϫ18
Ϫ16
Ϫ14
Ϫ12
Ϫ10

2.0769
2.2644

2.4652
2.6798
2.9089

1.5096
1.5155
1.5215
1.5276
1.5338

0.5739
0.5291
0.4885
0.4516
0.4180

97.36
106.36
115.37
124.42
133.50

1301.25
1303.23
1305.17
1307.08
1308.95

97.68
106.70

115.75
124.83
133.94

1322.77
1316.35
1309.86
1303.28
1296.61

1420.45
1423.05
1425.61
1428.11
1430.55

0.3994
0.4346
0.4695
0.5043
0.5389

5.5837
5.5536
5.5239
5.4948
5.4662

Ϫ18
Ϫ16

Ϫ14
Ϫ12
Ϫ10

Ϫ8
Ϫ6
Ϫ4
Ϫ2
0

3.1532
3.4134
3.6901
3.9842
4.2962

1.5400
1.5464
1.5528
1.5594
1.5660

0.3874
0.3595
0.3340
0.3106
0.2892

142.60
151.74

160.88
170.07
179.29

1310.78
1312.57
1314.32
1316.04
1317.71

143.09
152.26
161.46
170.69
179.96

1289.86
1283.02
1276.10
1269.08
1261.97

1432.95
1435.28
1437.56
1439.78
1441.94

0.5734
0.6077

0.6418
0.6759
0.7097

5.4380
5.4103
5.3831
5.3562
5.3298

Ϫ8
Ϫ6
Ϫ4
Ϫ2
0

2
4
6
8
10

4.6270
4.9773
5.3479
5.7395
6.1529

1.5727
1.5796

1.5866
1.5936
1.6008

0.2695
0.2514
0.2348
0.2195
0.2054

188.53
197.80
207.10
216.42
225.77

1319.34
1320.92
1322.47
1323.96
1325.42

189.26
198.59
207.95
217.34
226.75

1254.77
1247.48

1240.09
1232.61
1225.03

1444.03
1446.07
1448.04
1449.94
1451.78

0.7435
0.7770
0.8105
0.8438
0.8769

5.3038
5.2781
5.2529
5.2279
5.2033

2
4
6
8
10

12
16

20
24
28

6.5890
7.5324
8.5762
9.7274
10.993

1.6081
1.6231
1.6386
1.6547
1.6714

0.1923
0.1691
0.1492
0.1320
0.1172

235.14
253.95
272.86
291.84
310.92

1326.82
1329.48

1331.94
1334.19
1336.20

236.20
255.18
274.26
293.45
312.75

1217.35
1201.70
1185.64
1169.16
1152.24

1453.55
1456.87
1459.90
1462.61
1465.00

0.9099
0.9755
1.0404
1.1048
1.1686

5.1791
5.1314

5.0849
5.0394
4.9948

12
16
20
24
28

32
36
40
45
50

12.380
13.896
15.549
17.819
20.331

1.6887
1.7068
1.7256
1.7503
1.7765

0.1043
0.0930

0.0831
0.0725
0.0634

330.07
349.32
368.67
393.01
417.56

1337.97
1339.47
1340.70
1341.81
1342.42

332.17
351.69
371.35
396.13
421.17

1134.87
1117.00
1098.62
1074.84
1050.09

1467.03
1468.70

1469.97
1470.96
1471.26

1.2319
1.2946
1.3569
1.4341
1.5109

4.9509
4.9078
4.8652
4.8125
4.7604

32
36
40
45
50

Source: Tables A-13 through A-15 are calculated based on equations from L. Haar and J. S. Gallagher, “Thermodynamic Properties of Ammonia,”
J. Phys. Chem. Reference Data, Vol. 7, 1978, pp. 635–792.

Ammonia

TABLE A-13

741

746

Tables in SI Units

(Continued)

TABLE A-15

T
ЊC

v
m3/kg

u
kJ/kg

h
kJ/kg

s
kJ/kg # K

v
m3/kg

p ϭ 12.0 bar ϭ 1.20 MPa
(Tsat ϭ 30.94ЊC)

h
kJ/kg

s
kJ/kg # K

p ϭ 14.0 bar ϭ 1.40 MPa
(Tsat ϭ 36.26ЊC)

Sat.
40
60

0.10751
0.11287
0.12378

1337.52
1359.73
1404.54

1466.53
1495.18
1553.07

4.9625
5.0553
5.2347

0.09231
0.09432
0.10423

1339.56
1349.29
1396.97

1468.79
1481.33
1542.89

4.9050
4.9453
5.1360

80
100
120

0.13387
0.14347
0.15275

1445.91
1485.55
1524.41

1606.56
1657.71

1707.71

5.3906
5.5315
5.6620

0.11324
0.12172
0.12986

1440.06
1480.79
1520.41

1598.59
1651.20
1702.21

5.2984
5.4433
5.5765

140
160
180

0.16181
0.17072
0.17950

1563.09
1601.95
1641.23

1757.26
1806.81
1856.63

5.7850
5.9021
6.0145

0.13777
0.14552
0.15315

1559.63
1598.92
1638.53

1752.52
1802.65
1852.94

5.7013
5.8198
5.9333

200
220

240

0.18819
0.19680
0.20534

1681.05
1721.50
1762.63

1906.87
1957.66
2009.04

6.1230
6.2282
6.3303

0.16068
0.16813
0.17551

1678.64
1719.35
1760.72

1903.59
1954.73
2006.43

6.0427
6.1485
6.2513

260
280

0.21382
0.22225

1804.48
1847.04

2061.06
2113.74

6.4297
6.5267

0.18283
0.19010

1802.78
1845.55

2058.75
2111.69

6.3513
6.4488

p ϭ 16.0 bar ϭ 1.60 MPa
(Tsat ϭ 41.03ЊC)

Ammonia

u
kJ/kg

p ϭ 18.0 bar ϭ 1.80 MPa
(Tsat ϭ 45.38ЊC)

Sat.
60
80

0.08079
0.08951
0.09774

1340.97
1389.06
1434.02

1470.23
1532.28
1590.40

4.8542
5.0461

5.2156

0.07174
0.07801
0.08565

1341.88
1380.77
1427.79

1471.01
1521.19
1581.97

4.8086
4.9627
5.1399

100
120
140

0.10539
0.11268
0.11974

1475.93
1516.34
1556.14

1644.56
1696.64
1747.72

5.3648
5.5008
5.6276

0.09267
0.09931
0.10570

1470.97
1512.22
1552.61

1637.78
1690.98
1742.88

5.2937
5.4326
5.5614

160
180
200

0.12663
0.13339

0.14005

1595.85
1635.81
1676.21

1798.45
1849.23
1900.29

5.7475
5.8621
5.9723

0.11192
0.11801
0.12400

1592.76
1633.08
1673.78

1794.23
1845.50
1896.98

5.6828
5.7985
5.9096

220
240
260
280

0.14663
0.15314
0.15959
0.16599

1717.18
1758.79
1801.07
1844.05

1951.79
2003.81
2056.42
2109.64

6.0789
6.1823
6.2829
6.3809

0.12991
0.13574
0.14152
0.14724

1715.00
1756.85
1799.35
1842.55

1948.83
2001.18
2054.08
2107.58

6.0170
6.1210
6.2222
6.3207

p ϭ 20.0 bar ϭ 2.00 MPa
(Tsat ϭ 49.37ЊC)
Sat.
60
80

0.06445
0.06875
0.07596

1342.37
1372.05
1421.36

1471.26

1509.54
1573.27

4.7670
4.8838
5.0696

100
120
140

0.08248
0.08861
0.09447

1465.89
1508.03
1549.03

1630.86
1685.24
1737.98

5.2283
5.3703
5.5012

160
180
200

0.10016
0.10571
0.11116

1589.65
1630.32
1671.33

1789.97
1841.74
1893.64

5.6241
5.7409
5.8530

220
240
260
280

0.11652
0.12182
0.12706
0.13224

1712.82
1754.90
1797.63

1841.03

1945.87
1998.54
2051.74
2105.50

5.9611
6.0658
6.1675
6.2665