Document kaj4GOrpXqYYLeRJ9K3r9dpN0
A Vm e r ic a n Society o f H e a t in g and e n t il a t in g E ngineers G u id e , 1937^
Table 6. Properties of Saturated Water Vapor with Air at Low Temperatures3 (Part I)
Temp., F
-130 -129 -128 -127 -.120
-125 -124 -123 -122 -121
-120 -119 -118 -117 - -116
-115 -114 -113 -112 -111
-110 -109 -108 -107 -106
-105 -104 -103 -102 -101
-too . -99
-98 .... -97
-96
Pressure of Saturated' .. * Vapor X 10-*
Weight or Saturated Vapor
Volume in Cu Ft Barometer, 29.92 In. Hg
In. of Hg
Lb per Sq In.
' per Cu Ft
Pounds X 1<H
Grains
per lb of Dry Ait
Pounds Xl<H ..
Grains
of 1 lb of Dry Air .
of 1 lb of Dry. Air + Vapor to Saturate it
0.276 .300
.338 .373 .411
' 0.455 .499 .542 .604
.669
1
0.735 .805 .892 .989
1.098
1.208 1.317 1.444 1.575
1.728
1.889 2.087 2.292 2.511 2.742
. .
2.983 3.258 3.543 3.872 4.213
4^607
5.018 5.455 5.946 0.470
-
. 0.1350 ,, 1503 .1660 .1832
.2019
0.000693 .000700 .000843 .000928
.001019
0.000049 .000054 .000059 .000065 .000071
0.2235 .2451 .2662 .2967
.3286
0.001125 .001230
;001332 .001480 .001635
0.000079 .000086
.000093 .00010 .00012
0.3610 .3954 .4382
.4858 .5393
0.001791 .001956
.002161 .002388 .002644
0.00013 .00014 .00015 .00017
. .00019
0.5934 . 0.002900 0.00020
.6469
.003153 .00022
.7093
.003447 .00024
.7730
.003749 .00020
.8488
.004101 .00029
0.9279 1.0251
1.1258 1.2334 . 1.3469
0.004471 .004925 .005393 .005892
.006415
0.00031 .00035 .00038 .00041 .00045
. 1.4652 0.006960 0.00049
1.6003
.007580 .00053
1.7403 .008219 .00058
1.9019
.008958 .00063
, 2.0694
.009719 .00068
2.2030 2.4037
2.6784 2.9196 3.1781
0.010599 .011512
.012480 .013560 .014721
0.00074'
.00081 .00087 .00095 .00103
0.005738 0.00040
8.31
.000362
.00045 .. 8.33
.007027 . .00049
8.36
.007755
.00054
8.38
.008545 . .00060
8.41
0.009459
.01037 .01127 .01256 .01391
0.00066
.00073 .00079 .00088 .00097
8.43 8.46 - 8.48 8.51
8.53
0.01528 .01074 .01854
.02056 .02283
0.00107 .00117
.00130 .00144 .00160
i 8.50 8.58
8.61 8.63 8.66
0.02511
.02738 .03002 .03274 .03593
0.00176
8.68'-
.00192
8.71
.00210 7 8.73
.00229 ' 8.76
.00252
8.78
0.03927 .04339 .04705 .05220 .05701
0.00275
.00304 .00334 .00365 .00399
8.81 . 8.83
8.86 8.89 . 8.91
0.00202 .06773 .07300 .08050 .08759
0.00434 .00474 .00516 .00504 .00613
8.94 8.96 8.99 9.01 9.04
0.09578 .1043 .1134
.1236 .1345
0.00705
.00730 .00794 .00865
.00942
9.06
9.09 9.11 9.14 9.16
8.31 8.33 8.36 8.38 8.41
8.43. 8.46 8.48 8.51 8.53
8.56 8.58 8.61 8.63 8.66
8.68 8.71 8.73 8.70 8.78
8.81 8.83 8.86 8.89 8.91
8.94 8.96 8.99 9.01 9.04
9.06 9.09 9.11 9.14 9.16
aCompiled by W. M. Sawdon, vapor pressures converted from International Critical Tables.
Heat Content per Lb
Dry Air 0F
Datum
-31.71 -31.40 -31.21 -30.90 -30.71
-30.46 -30.21 -29.90 -29.72 -29.47
-29.22 -28.97 -28.72 -28.47 -28.23
-27.98 -27.73 -27.48 -27.23 -20.99
-26.74 -26.49 -20.24 -20.00 -25.75
-25.50 -25.20 -25.01 -24.70 -24.51
-24.27 -24.02 -23.78 -23.53 -23.28
Vapor 32 F Datum
Dry Air witb'Vapor to Saturate
it '
1000.7 1001.2 1001.6 1002.1 1002.5
1003.0 1003.4 1003.9 1004.3 1004.8
1005.2 1005.7 1006.1
1000.0 1007.0
1007.5 1007.9
1008.4 1008.8 1009.3
1009.7. 1010.2 1010.6 1011.1
. 1011.5
1012.0 1012.4 1012.9 1013.3
1013.8
1014.2
1014.7 1015.1 1015.6 1016.0
-31.71 -31.46 -31.21 -30.90 -30.71
-30.46 -30.21 -29.96 -29.72 -29.47-
-29.22 -28.97 -28.72 -28.47 -28.23
-27.98 -27.73 -27.48 -27.23 -20.99
-26.74 -20.49 -26.24 -20.00 -25.75
-25.50 -25.20 -25.01 -24.76 -24.51
-24.27 -24.02 -23.78 -23.53 -23.28
M
AC h a p t e r 1-- ir , W a t e r a n d St e a m
Table 6.' Properties of Saturated Water Vapor with Air at Low Temperatures*1 (Part I, Continued)
Temp.,
F
-95 -94 -93 -92 r 91
-90 -89 -88 -87 -80
-85 -84 -83 -82 -81
-80 -79 -78 -77 -76 ,
'-75; -74 -73 -72 .-71
-70 -69 -68 -07 -60
-65 -64 -03 -62 -61
Pressure of Saturated Vapor X I0-1
In. of Hg
Lb per Sq In.
7.047 7.638 8.316 9.017 9.806
10.64 11.53 12.51 13.53 14.69
15.87 17.20 . 18.58 20.10 21.72
23.47 25.34 27.29 29.62 31.81
34.37 37.01 39.96 43.04 46.33
49.87 . 63.59
67.05 61.81 00.41
71.17 70.64 82.28 88.19 94.62
3.4604 3.7507 4.0837 4.4281 4.8150
, 5.2264 5.0635 6.1449 0.6459 7.2157
7.7953 8.4486 9.1265 '*,9.8731 10.069
11.517 12.436 13.394 14.489 15.614
. 16.883 18.179 19.628 21.141 22.757
24.490 20.323 . 28.318 30.301 . 32.021
34.959 . 37.646
40.416 43.319 40.477
Weight of Saturated Vapor
Volume in Cu Ft Barometer, 29.92 In. H
per Cu Ft
Pounds X 10-
Grains
per lb of Dry Air
Pounds X 10-
Grains
of 1 lb of Dry Air
of 1 lb of Dry Air + Vapor to Saturate it
0.015990 .017284 .018707 .020292
.022009
0.00112 .00121
.00131 .00142 .00154
0.023817
.025738 , .027851
.030041 .032530
0.00167 .00180 .00195 .00210 .00228
0.035049 .037885. .040817 .044037 .047463
0.00245 .00265
.00286 .00308 .00332
0.051151 .055082
.059165 .063831 .008605
0.00358
.00380 .00414 .00447. .00480
0.073933 .079405 .085510 .091865 .098632
.0.00518 .00550 .00599 .00643
.00690
0.10590 .11350 .12179 .13024 .13059
O.0O74i
.00795 .00853 .00911 .00977
,
0.14922
.16028 .17104 -.18350
.19638
0.01044 .01122
.01201 .01285 .01375
0.1465
.1588 .1729 .1875 .2039
0.2212 .2397
.2601 .2813 .3054
0.3299 .3570 .3863 .4179 .4516
0.4879 .5268 .5674 .0137
..6613
0.7140 .7094 .8308 .8948 .9632
1.037 1.114 1.199 1.285 1.381
1.480 1.593 1.711
1.833 1.967
'
0.01026 .01112 .01210 .01312 .01427
9.19 9.21 9.23 9.26
9.29
0.01548 .01678 .01821
.01969 .02138
9.31 9.34 9.36 9.39 9.41
0.02309 .02503 .02704 .02926 .03161
9.44 9.46
9.49 9.51 9.54
0.03415
.03688 .03972 .04298 .04629
9.50
9.59 9.01 9.04
9.66
0.05002 .05380 .05816 .06204
.06742
9.69 9.72 9.74 9.77
9.79
0.07259 .07798 .08393 .08995 .09607
9.82 9.84 9.87 9.89 9.92
0.10360 .11151
.11977 .12831 .13769
9.94 9.97 9.99
10.02 10.04
9.19 9.21 9.23 9.26 0.29
9.31 9.34 9.36 9.39 6.41
9.44 9.46 9.49 9.51 9.54
9.56 9.59 9.61 9.64 9.66
9.69 9,72 9.74 9.77 9.79
9.82 9.84 9.87 9.89 9.92
9.94 9.97 9.69 10.02 10.04
Compiled by .W. M. Sawdon, vapor pressures converted frostf International Critical Tables. .
Heat Content per Lb
Dry Air 0F
Datum
-23.04 -22.79 -22.55 -22.30 -22.05
-21.81 -21.56 -21.32 -21.07 -20.83
-20.58 -20.34 -20.09 -19.84 -19.60
-19.36 -19.11 -18.87 -18.02 -18.38
-18*. 13 -17.89 -17.64 -17.40 -17.16
-10.61 -10.07 -10.42 -10.18 -15.94
-15.09 -15.45 -15.21 -14.90 -14.72
Vapor 32 F Datum
1016.5 1010.9 1017.4 1017.8 1018.3
1018.7 1019.2 1019.0 1020.1 1020.5
1021.0 1021.4 1021.9 1022.3 1022,8
1023.2 1023.7 1024.1 1Q24.6 1025.0
1025.5 1025.9 1020.4 1026.8 1027.3
1027.7 1028.2 1028.6 1029.1 1029.5
1030.0 1030.4 1030.9 1031.3 1031.8
Dry Air with Vapor to Saturate
it
-23.04 -22.79 -22.65 -22.30 -22.05
-21.81 -21.50 -21.32 -21.07 -20.83
-20.58 -20.34 -20.09 -19.84 -19.60
-19.30 -19.10 --18.86 -18.01 -18.37
-18.12 -17.88 -17.63 -17.39 -17.15
-16.90 -18.06 -10.41 -10.17 -15.93
-15.67 -15.43 -15.19 -14.94 -14.70