Document 5kxvK4LBG90bLOgBOB6R03RDJ
Table 6. Properties of Saturated Water Vapor with Air at Low Temperatures (Part I, Continued)
Tbmp., F
Pressure or Saturated Vapor X KM
Id. of Hg
Lb per 8q In.
-- 60 -59
-58 -57
-56
101.4 108.8 116.3
124.8 133.4
-55 -54
-53 -52
-51
143.0
163.0 163.5
174.9
187.0
-50 -49 -48 -47
-46
199.9 213.0 227.9 243.1 259.5
-45 -44
-43 -42
-41
276.7
295.0 314.7 335.3 357.6
-40 -39 -38
-37 -36
380.3 405.5 431.2
459.2 488.4
-35 -34 -33 -32 -31
.
519.5 652.4 586.5 623.7
661.8
-30 -29 -28 -27
-26
701.6
742.2 791.2 841.0 892.1
49.808 53.443 57.127 61.302 65.526
70.242 75.154 80.311 85.011 91.854
98.191 104.63 111.94 119.41 127.47
135.92 144.90 154.58 164.70 175.65 .
186.80 199.18 211.81 225.66 239.90
255.16 271.34 288.09 306.36 325.08
344.33 364.67 388.64 413.10 438.20-
Weight op Saturated Vapor
Volume in Cu Ft Barometer, 29.92 In. Ho
per Cu Ft
Pounds X 10**
Grains
per lb of Dry Air
PouodB X KM
Grains
of 1 lb of Dry Air
of 1 lb of Dry Air + Vapor to Saturate it
0.20993 .22469 .23958 .26645 .27344
0.29239 .31207 .33267 .35469. .37862
0.40370 .42917 .45808 .48744 .51905
0.55213 .58722 .62493 .66426 .70672
0.7498 .7976 .8461 .8989 .9538
1.0122 1.0738 .1.1374 1.2067 1.2774
1.3499 1.4260 1.5166 1.6083 1.7021
0.01470 .01573 .01677 .01795
.01914
.
2.108 2.262
2.418 . 2.595
2.773
0.02047 .02184 .02329 .02485
.02650
2.973
3.181 3.399 3.636
3.888
0.02826 .03004 .03207 .03412
.03633
4.156
4.428 4.738 5.054 5.395
0.03865
.04111 .04375
.04650 .04947
5.753
6.133 6.543 6.971
7.435
0.05249 .05583 .05922 .06292
.06677
7.907 8.431 8.965
0.548 10.16
0.07085 .07517 .07962 .08447 .08942
10.80 11.49 12.20 12.97 13.76
0.09449 .09982 .10616
.11258 .11914
14.58 15.43
16.45 17.49 18.55
0.14756 .15834 .16926 .18165 .19411
0.20811 .22267 .23793 .25452 .27216
0.29092 .30996 .33166 .35378 .37766
0.40271 .42931 .45801 .48797 .52045
0.55349 .69017 .62755 .66836 .71120
0.75600 -.80430 .85400 .90790 .96320
1.0206 1.0801 1.1515 1.2243 1.2985
10.07 10.09 10.12 10.14 10.17
10.19 10.22' 10.24 10.27 10.29
10.32 10.34 10.37 10.40 10.42
10.45 10.47 10.50 10.52 10.55
10.57 10.60 10.62 10.65 10.67
10.69 10.72 10.75 10.77 10.80
10.82 10.85 10.87 10.90 10.92
10.07 10.09 10.12 10.14 10.17
10.19 10.22 10.24 10.27 10.29
10.32 10.34 10.37 10.40 10.42
10.45 10.47 10.50 10.52 10.55
10.57 10.60 10.62 10.65 10.67
10.69 10.72 10.75 10.77 10.80
10.82 10.85 10.87 10.90 10.92
Compiled by W. M. Sawdon, vapor pressures converted from International Critical Tables.
Heat Content per Lb
Dry Air 0F
Datum
Vapor 12 F Datum
-14.48 -14,23 -13.99 -13.75
-13.50
1032.2 1032.7 1033.1 1033.6
1034.0
-13.26 -13.02
-12.78 -12.53 -12.29
1034.5 1034.9 1035.4
1035.8 1036.3
-12.05 -11.81 -11.57 -11.32
-11.08
1036.7 1037.2
1037.6 1038.1 1038.6
-10.84
-10.60 -10.35 -10.11
-9.872
1039.0 1039.4 1039.9 1040.3
1040.8
-9.629
1041.2
-9.388
1041.7
-9.146-
1042.1
-8.905 ** 1042.6
-8:663.,-' % 1043.0
-8.422 -8.180 -7.939
-7.698 -7.457
: 1043.5 1043.9 1044.4
1044.8 1045.3
-7.216 -6.975 -6.734
-6.493 -6.251
1045.7 1046.2 1046.6 1047.1
1047.5
Dry Air with Vapor to Saturate
it
-14.46 -14.21 -13.97 -13.72 -13.47
-13.23 -12.99 -12.74 -12.49 -12.25
-12.01 -11.76 -11.52 -11.27 -11.02
-10.78 -10.54 -10.28 -10.04
-9.795
-9.547 -9.300 -9.053 -8.805 -8.557
-8.309 -8.060 -7.812 -7.562 -7.313
-7.064 -6.814 -6.562 -6.310 -6.057
T' TM-I,aEr~-a;r
Table 6. Properties of Saturated Water Vapor with Air at Low Temperatures (Part I, Concluded)
Temp.,
F
Pressure or Saturated
Vapor X 10-*
In. of Hg
Lb per Sq In.
Weight or Saturated Vapor
per Cu Ft
Pounds X 1(M
Grains
per lb of Dry Air
Pounds X 10-
Grains
CVolume in u Ft Barometer, 29.92 In. Hg
of I lb of Dry Air
of 1 lb of Dry Air + Vapor to Saturate it
-25 -24 -23
-22
-21
946.4 1003. 1064. 1126. 1192.
-20 1262.0 -19 1337. -18 1416. -17 1496. -16 ' 1684.
-15 1675.0
-14 1772.
-13 1874.
-12
1980.
-11 2093.
-10 -9
-8
-7
-6
2210.0
2335. 2463. 2502. 2745.
--5 -4 -3
. -2
-1
2898.0 3055. 3222. 3397. 3580.
0 3773.0
464.87 492.67 522.64 553.09 585.51 619.89 656.73 695.54 734.84 778.06 822.76 870.41 920.51 972.58 1028.1 1085.6 1147.0 1209.8 1229.0 1348.3 1423.5 1500.6 1582.6 1668.6 1758;5 1853.3
1.8016 1.9049 2.0162 2.1287 2.2484 2.3760 2.5105 2.6527 2.7963 2.9542 3.1168 3.2899 3.4714 3.6596 3.8599 4.0666 4.2871 4.5120 4.5734 5.0066 5.2738 5.5473 5.8379 6.1414 6.4583 6.7914
0.12611 .13334 .14113 .14901 .15739
0.16625 .17574 .18569 .19574 .20679
0.21818 .23029 .24300 .25617 .27019
0.28466 .30009 .31584 .32014 .35046
0.36917 .38831 .40865 .42990 .45208
0.47500
19.68
20.86
22.13 23.42 24.79 26.25 27.81 29.45 31.12 32.95 34.84 36.86 38.98 41.19 43.54 45.98 48.58 51.25 52.06 57.12 60.30 63.57 67.05 70.69 74.50 78.52
1.3776 1.4602 1.5491 1.6394 1.7353 1.8375 1.9467 2.0615 2.1784 2.3065 2.4388 2.5802 2.7286 2.8833 3.0478 3.2186 3.4006 3.5875 3.6442 3.9984 ' 4.2210 4.4499 4.6935 4.9483 5.2150 5.5000
10.95 10.97 11.00
11.02
11.05
11.07
11.10
11.13 11.15 11.18
11.20
11.23 11.25 11.28 11.30
11.33 11.35 11.38 11.40 11.43
11.45 11.48 11.50 11.53 11.55
11.58
10.95 10.97 11.00
11.02
11,05
11.07
11.10
11.13 11.15 11.18
11.21
11.24 11.26 11.29 11.31
11.34 11.36 11.39 11.41 11.44
11.46 - 11.49
11.51 11.54 11.57
11.69
Compiled by W. M. Sawdon, vapor pressures converted from International Critical Tables.
Heat Content per Lb
Dry Air OF
Datum
-6.011
-5.770 -5.629 -5.288 -5.047 -4.807 -4.566 -4.325 -4.085 -3.844 -3.604 -3.363 -3.123 -2.883 -2.642 -2.402 -2.162
-1.021
-1.681 -1.441
-1.201
-0.9604 -0.7203 -0.4802 -0.2401
0
Vapor 32 F Datum
1048.0 1048.4 1048.9 1049.3 1049.8 1050.2 1050.7 1051.1 1051.6 1052.0 1052.5 1052.9 1053.4 1053.8 1054.3 1054.7 1055.2 1055.6 1056.1 1056.5 1057.0 1057.4 1057.9 1058.3 1058.8 1059.2
Dry Air with Vapor to Saturate
it
-5.805 -5.661 -5,297 -5.042 -4.787
'
-4.631 -4.274 -4.015 -3.758 -3.497-
-3.237 -2.975 -2.712 -2.449 -2.183
-1.917 -1.649 -1.380 -1.131 -0.8375
-0.6636 -0.2882 -0.01098 +0.2679 +0.5487
+0.8317
A\
Ch a p t e r 1. A i r . W a t e r a n d S'
H e a t in g V e n t il a t in g A ir Co n d it io n in g G u id e 1938
1