Document MMEZDk6B4vMZ77ppJkRDqekn9

01 HEATING VENTILATING AIR CONDITIONING GUIDE 1943____________ Table 6. Thermodynamic Properties of Moist Air8, 29.921 In. Hg Temp Deg F -60 -- 59 --58 -- 57 -56 -55 -64 -63 -52 -61 -50 -- 49 -48 -47 -40. -45 -44 ' -43 -42 -41 -40 -39 -38 -37 -30 -35 -34 -- 33 -32 -31 -30 -29 -28 -- 27 -20 Saturation Humidity Ratio Wa Weight of Water per Lb .of Dry Air Pounds X 10? Grains. 2.108 2.202 2.418 2.595 2.773 2.973 3.181 3.399 3.030 3.888 4.160 " 4.428 4.738 - 6.064 5.395 . 6.753 0.133 0.643 0.071 7.435 7.907 8.431 8.905 9.548 . 10.10 10.80 11.49 12.20 12.97 13.70 14.58 16.43 10.45 17.49 18.65 0.14750 .15834 .10926 .18165 .19411 0.20811 .22267 .23793 .25452 .27216 0.29092 .30996 .33166 .35378 .37765 0.40271 .42931 .45801 .48797 .52045 . 0.55349 .59017 .62755 .66836 .71120 0.75000 .80430 .85400. .90790 .90320 1.0206 : 1.0801 1.1615 1.2243 1.2985 Volume ' , Cu Ft per Lb Dry Air Dry Air Pa ' 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 . Va* Saturated a) . Mixture 0.00 .00 .00 .00 .00 0.00 .00 .00 .00 .00 0.00 . .00 .00 .00 . .00., 0.00 .00 .00 .00 .00 ' 0.00 .00 .00 .00 .00 0.00' .00 .00 .00 .00 . 0.00 .00 .00 .00 .00 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 10.65- 10.67 10.60 10.62 10.65 10.07 10.09 10.72 T0.75 10.77 10.80 10.82 10.85 10.87 10.90 10.92 Enthalpy Btu per Lb Dry Air Dry Air ha hat (ha--ha) Saturated Mixture ha Specific Enthalpy of Solid Water Btu per Lb i K SATURATIOh Pressure Pa X 10* In. of Hg Lb per Sq In. -14.48 -14.23 -13.99 -13.76 -13.50 0.02 .02 .02 .03 .03 -14.46 -14.21 -13.97 -13.72 -13.47 -186.4 -185.0 -184.0 -184.2 -183.8 101.4 108.8 116.3 124.8 133.4 49.808 53.443 57.127 61.302 65.626 -13.20 . 0.03 -13.02 .03 -12.78 ;o4 -12.53 .04 -12.29 .04 -13.23 -12.99 -12.74 -12.49 * -12.25 -183.4 -182.9 -182.5 -182.1 -181.7 143.0 163.0 163.5 174.9 187.0 70.242 75.154 80.311 85.911 91.854 -12.05 -11.81 -11.57 -11.32 -11.08 0.04 .05 .05 .05 .00 -12.01 -11.70 -11.52 -11.27 -11.02 -181.3 -180.9 -180.4 -180.0 -179.6 199.9 213.0 227.9 243.1 259.5 98.191 104.63 111.94 119.41 127.47 ' -10.84 -10.60 . -10.35 -10.11 -9.872 0.06 .00 .07 .07 . .077 -10.78 -10.54 -10.28 -10.04 -9.795 -179.2. -178.7 -178.3 -177.9 -177.4 270.7 295.0 314.7 335.3 357.6 135.92 144.90 154.68 164.70 175.65 -9.629 -9.388 -9.146 -8.905 ^8.603 0.082 .088 ' .093 .100 .100 -9.547 -9.300 -9.053 -8.805 -8.557 -177.0 -176.0 -176.1 -175.7 -174.8 380.3 405.5 431.2 459.2 488.4 186.80 199.18 211.81 225.56 239.90 -8.422 -- 8.180 -7.939 -7.698 -7.457 0.113 .120 .127 .130 .144 -8.309 -8.060 -7.812 -7.562 -7.313 -174.4 -174.0 -173.5 -173.1 -172.6 519.5 652.4 586.5 023.7 . 661.8 255.18 271.34 288.09 300.36 325.08 -7.210 -0.975 -0.734 -6.493 -0.251 0.152 .101 .172 .183 .194 . -7.064 -6.814 -6.562 -0.310 -6.057 -172.2 -171.7 -171.3 -170.9 -170.4 701.0 742.2 791.2 841.0 892.1 344.33 . 304.67 - 388.64 413.10 438.20 ^Compiled by W. M. Sawdon and.extended by John A.-Goff. A Temp Deg F -60 -- 59 --58 -57 -- 50 -55 -- 54 -- 63 -- 52 -- 51 -50 -- 49 -48 -47 --40 -45 -- 44 -43 -42 -- 41 -40 --39 -38 . -37 -36 -35 -34 -- 33 -32 -31 -30 -29 -28 -- 27 -20 ' iLaLj. ^jr.-ill., ^ ... .''-iir---'icra*^^r.ii*.*--Y- 1 CHAPTER I. THERMODYNAMICS OF AIR AND WATER MIXTURES Table 6. Thermodynamic Properties of Moist Air8, 29.921 In. Hg (Continued) .Temp . Deg F Saturation Humidity Ratio Wa Weight of Water per Lb of Dry Air Pounds X 10* Grains Volume Cu Ft per Lb Dry Air Dry Air Va Pa* (fa--ta) Saturated Mixture Va Enthalpy Btu per Lb Dry Air Dry Air ha hat (ha--ha) Saturated Mixture ha Specific Enthalpy OF Solid Water Btu per Lb i K. Saturation Pressure Pa X 10* In. of Hg Lb per Sq In. Temp Deg F -25 -24 -23 -22 -21 . 19.68 20.80 22.13 23.42 24.79 -20 -19 -18 i--* -17 -10 26.25 27.81' 29.45 31.12 32.95 -15 -14 -13 -12 -11 34.84 /. 30.86 38.98 41.19 43.54 -10 -9 -8 -7 -6 45.98 ' 48.58 51.25 52.00 57.12 -5 -4 -3 -2 -1 . 00.30 63.57 67.05 70.69 74.50 0 78.52 1.3776 ' 1.4602 1.5491 1.6394 1.7353 10.95 10.97 11.00 11.02 11.05 1.8375 . 11.07 1.9467 . 11.10 2.0615 11.13 2.1784 11.15 2.3065 11.18 2.4388 2.5802 2.7286 2.8833 3.0478 11.20 11.23 11.25 11.28 11.30 3.2186 3.4006 3.5875 3.6442 3.9984 11.33 11.35 11.38 11.40 11.43 4.2210 4.4499 4.6935 4.9483 5.2150 11.45 11.48 11.50 11.63 11.55 5.5000 11.58 0.00 .00 .00 .00 .00 0.00 .00 .00 .00 .00 0.01 .01 .01 .01 .01 0.01 .01 .01 .01 .01 0.01 .01 .01 . .01 .01 0.01 ' 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 11.40 11.49 11.51 11.54 11.67 11.59 -0.011 -5.770 -5.529 -5.288 -5.047 -4.807 -4.566 -4.325 -4.085 -3.844 -3.604 -3.363 -3.123 -2.883 -2.042 -2.402 -2.162 -1.921 -1.081 --1.441 -1.201 , -0.960 -0.720 -0.480 -0.240 0 0.206 .219 .232 .246 .260 -6.805 -5.551 -5.297 -5.042 -4.787 0.270 .292 .310 .327 .347 -4.531 -4.274 --4.015 -3.758 -3.497 0.307 . .388 .411 .434 .459 -3.237 -2.975 -2.712 -2.449 -2.183 0.485 .513 .541 . .570 .603 ' -1.917 -1.049 -1.380 -1.111 -0.838 0.637 .072 .709 .748 .789 -0.564 -0.288 -0.011 +0.268 +0.549 0.832 +0.832 -170.4 -170.0 -169.6 -169.0-. -108.6 946.4 1003. . 1064. 1126. 1192. -168.2 -107.7 -167.2 -100.8 -106.3 1262.0 1337; 1416. 1496. 1684. -105.9 -165.4 -105.0 -104.5 -164.0 1675.0 1772. 1874. 1980. 2093. -163.6 -163.1 -162.7 -102.2 -101.7 2210.0 2335. 2463. 2502. 2745. -161.3 -100.8 -160.3 -159.9 -159.4 2898.0 3055. 3222. 3397. 3680. -158.9 3773.0 464.87 492.67 522.64 553.09 585.61 619189 650.73 695.54 734.84 778.00 822.76 870.41 920.51 972.58 1028.1. 1085.6 1147.0 1209.8 1229.0 1348.3 1423.5 1500.6 1582.0 1668.0 1758.5 1853.3 -25 -24 -23 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 ^Compiled by W. M; Sawdon and extended by John A: Goff.