Properties of Air Ideal Gas

Thermodynamics Related Resources

Properties of Air, Ideal Gas

Where:

Pr = relative pressure
vr = relative specific volume
Where Pr and vr are dimensionless quantities used in the analysis of isentropic processes, and should not be confused with the properties pressure and specific volume.

Temp
h
Pr
u
vr
s°
Temp
h
Pr
u
vr
s°
K
kJ/kg
kJ/kg
kJ/kg · K
K
kJ/kg
kJ/kg
kJ/kg · K
200
199.97
0.3363
142.56
1707.0
1.29559
580
586.04
14.38
419.55
115.7
2.37348
210
209.97
0.3987
149.69
1512.0
1.34444
590
596.52
15.31
427.15
110.6
2.39140
220
219.97
0.4690
156.82
1346.0
1.39105
600
607.02
16.28
434.78
105.8
2.40902
230
230.02
0.5477
164.00
1205.0
1.43557
610
617.53
17.30
442.42
101.2
2.42644
240
240.02
0.6355
171.13
1084.0
1.47824
620
628.07
18.36
450.09
96.92
2.44356
250
250.05
0.7329
178.28
979.0
1.51917
630
638.63
19.84
457.78
92.84
2.46048
260
260.09
0.8405
185.45
887.8
1.55848
640
649.22
20.64
465.50
88.99
2.47716
270
270.11
0.9590
192.60
808.0
1.59634
650
659.84
21.86
473.25
85.34
2.49364
280
280.13
1.0889
199.75
738.0
1.63279
660
670.47
23.13
481.01
81.89
2.50985
285
285.14
1.1584
203.33
706.1
1.65055
670
681.14
24.46
488.81
78.61
2.52589
290
290.16
1.2311
206.91
676.1
1.66802
680
691.82
25.85
496.62
75.50
2.54175
295
295.17
1.3068
210.49
647.9
1.68515
690
702.52
27.29
504.45
72.56
2.55731
298
298.18
1.3543
212.64
631.9
1.69528
700
713.27
28.80
512.33
69.76
2.57277
300
300.19
1.3860
214.07
621.2
1.70203
710
724.04
30.38
520.23
67.07
2.58810
305
305.22
1.4686
217.67
596.0
1.71865
720
734.82
32.02
528.14
64.53
2.60319
310
310.24
1.5546
221.25
572.3
1.73498
730
745.62
33.72
536.07
62.13
2.61803
315
315.27
1.6442
224.85
549.8
1.75106
740
756.44
35.50
544.02
59.82
2.63280
320
320.29
1.7375
228.42
528.6
1.76690
750
767.29
37.35
551.99
57.63
2.64737
325
325.31
1.8345
232.02
508.4
1.78249
760
778.18
39.27
560.01
55.54
2.66176
330
330.34
1.9352
235.61
489.4
1.79783
780
800.03
43.35
576.12
51.64
2.69013
340
340.42
2.149
242.82
454.1
1.82790
800
821.95
47.75
592.30
48.08
2.71787
350
350.49
2.379
250.02
422.2
1.85708
820
843.98
52.59
608.59
44.84
2.74504
360
360.58
2.626
257.24
393.4
1.88543
840
866.08
57.60
624.95
41.85
2.77170
370
370.67
2.892
264.46
367.2
1.91313
860
888.27
63.09
641.40
39.12
2.79783
380
380.77
3.176
271.69
343.4
1.94001
880
910.56
68.98
657.95
36.61
2.82344
390
390.88
3.481
278.93
321.5
1.96633
900
932.93
75.29
674.58
34.31
2.84856
400
400.98
3.806
286.16
301.6
1.99194
920
955.38
82.05
691.28
32.18
2.87324
410
411.12
4.153
293.43
283.3
2.01699
940
977.92
89.28
708.08
30.22
2.89748
420
421.26
4.522
300.69
266.6
2.04142
960
1000.55
97.00
725.02
28.40
2.92128
430
431.43
4.915
307.99
251.1
2.06533
980
1023.25
105.2
741.98
26.73
2.94468
440
441.61
5.332
315.30
236.8
2.08870
1000
1046.04
114.0
758.94
25.17
2.96770
450
451.80
5.775
322.62
223.6
2.11161
1020
1068.89
123.4
776.10
23.72
2.99034
460
462.02
6.245
329.97
211.4
2.13407
1040
1091.85
133.3
793.36
23.29
3.01260
470
472.24
6.742
337.32
200.1
2.15604
1060
1114.86
143.9
810.62
21.14
3.03449
480
482.49
7.268
344.70
189.5
2.17760
1080
1137.89
155.2
827.88
19.98
3.05608
490
492.74
7.824
352.08
179.7
2.19876
1100
1161.07
167.1
845.33
18.896
3.07732
500
503.02
8.411
359.49
170.6
2.21952
1120
1184.28
179.7
862.79
17.886
3.09825
510
513.32
9.031
366.92
162.1
2.23993
1140
1207.57
193.1
880.35
16.946
3.11883
520
523.63
9.684
374.36
154.1
2.25997
1160
1230.92
207.2
897.91
16.064
3.13916
530
533.98
10.37
381.84
146.7
2.27967
1180
1254.34
222.2
915.57
15.241
3.15916
540
544.35
11.10
389.34
139.7
2.29906
1200
1277.79
238.0
933.33
14.470
3.17888
550
555.74
11.86
396.86
133.1
2.31809
1220
1301.31
254.7
951.09
13.747
3.19834
560
565.17
12.66
404.42
127.0
2.33685
1240
1324.93
272.3
968.95
13.069
3.21751
570
575.59
13.50
411.97
121.2
2.35531

 

Temp
h
Pr
u
vr
s°
Temp
h
Pr
u
vr
s°
K
kJ/kg
kJ/kg
kJ/kg · K
K
kJ/kg
kJ/kg
kJ/kg · K
1260
1348.55
290.8
986.90
12.435
3.23638
1600
1757.57
791.2
1298.30
5.804
3.52364
1280
1372.24
310.4
1004.76
11.835
3.25510
1620
1782.00
834.1
1316.96
5.574
3.53879
1300
1395.97
330.9
1022.82
11.275
3.27345
1640
1806.46
878.9
1335.72
5.355
3.55381
1320
1419.76
352.5
1040.88
10.747
3.29160
1660
1830.96
925.6
1354.48
5.147
3.56867
1340
1443.60
375.3
1058.94
10.247
3.30959
1680
1855.50
974.2
1373.24
4.949
3.58335
1360
1467.49
399.1
1077.10
9.780
3.32724
1700
1880.1
1025
1392.7
4.761
3.5979
1380
1491.44
424.2
1095.26
9.337
3.34474
1750
1941.6
1161
1439.8
4.328
3.6336
1400
1515.42
450.5
1113.52
8.919
3.36200
1800
2003.3
1310
1487.2
3.994
3.6684
1420
1539.44
478.0
1131.77
8.526
3.37901
1850
2065.3
1475
1534.9
3.601
3.7023
1440
1563.51
506.9
1150.13
8.153
3.39586
1900
2127.4
1655
1582.6
3.295
3.7354
1460
1587.63
537.1
1168.49
7.801
3.41247
1950
2189.7
1852
1630.6
3.022
3.7677
1480
1611.79
568.8
1186.95
7.468
3.42892
2000
2252.1
2068
1678.7
2.776
3.7994
1500
1635.97
601.9
1205.41
7.152
3.44516
2050
2314.6
2303
1726.8
2.555
3.8303
1520
1660.23
636.5
1223.87
6.854
3.46120
2100
2377.7
2559
1775.3
2.356
3.8605
1540
1684.51
672.8
1242.43
6.569
3.47712
2150
2440.3
2837
1823.8
2.175
3.8901
1560
1708.82
710.5
1260.99
6.301
3.49276
2200
2503.2
3138
1872.4
2.012
3.9191
1580
1733.17
750.0
1279.65
6.046
3.50829
2250
2566.4
3464
1921.3
1.864
3.9474

Source: Kenneth Wark, Thermodynamics, 4th ed. (New York: McGraw-Hill, 1983), pp. 785–86, table A–5. Originally published in J. H. Keenan and J. Kaye, Gas Tables (New York: John Wiley & Sons, 1948).

Contribute Article
Spider Optimizer

© Copyright 2000 - 2017, by Engineers Edge, LLC www.engineersedge.com
All rights reserved
Disclaimer | Feedback | Advertising | Contact


User Reviews/Comments:

There are currently no comments available.


Add a Comment (you must be logged in to post comment Register):
Name:
Email: (Optional)
Comment: