Document LJ0zV9X4aVQ0BB2E035YxEbr3

Heating Ventilating Air Conditioning Guide 1939 Temperature Deo P Table 1. Properties op Dry Air3 Barometric Pressure 29.921 In. of Hg. Weight Pounds per Cu Ft Ratio op Volume to Volume at 70 F Btu Absorbed bt One Cu Ft Dbt Air peb Deq F Cu Ft Dbt Aib Wabmzd One Deo per Btu 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 180 200 220 240 260 280 300 350 400 450 500 550 600 700 800 900 1000 0.08633 0.08449 0.08273 0.08104 0.07942 0.07785 0.07636 0.07492 0.07353 0.07219 0.07090 0.06966 0.06845 0.06729 0.06617 0.06509 0.06403 0.06203 0.06015 0.05838 0.05671 0.05514 0.05365 0.05223 0.04901 0.04615 0.04362 0.04135 0.03930 0.03744 0.03422 0.03150 0.02911 0.02718 0.8678 0.8867 0.9056 0.9245 0.9433 0.9624 0.9811 1.0000 1.0189 1.0378 1.0567 1.0755 1.0946 1.1133 1.1322 1.1510 1.1701 1.2078 1.2456 1.2832 1.3211 1.3587 1.3965 1.4344 1.5287 1.6234 \ 1.7176 1.8119 1.9064 ' 2.0011 2.1893 2.3784 2.5737 2.7564 . 0.02077 0.02030 0.01986 0.01944 0.01905 0.01868 0.01832 0.01798 0.01765 0.01733 0.01702 0.01672 0.01643 0.01616 0.01589 0.01563 0.01538 0.01490 0.01446 0.01403 0.01364 0.01326 0.01291 0.01257 0.01181 0.01114 0.01054 0.01001 0.00953 0.00908 0.00833 0.00769 0.00713 0.00668. 48.15 49.26 50.35 51.44 52.49 53.36 54.44 55.62 56.66 57.70 58.75 59.81 60.86 61.88 62.93 63.98 65.02 67.11 69.24 71.27 73.31 75.41 77.46 79.55 84.67 89.67 94.87 99.01 . 104.93 110.13 . 120.05 130.04 140.25 149.70 Compiled by W. H. Severns, based on the instantaneous specific heats of air. The values for the heats and for the cubic feet warmed one degree are for the temperatures stated and are not true over a tempera ture range of more than one degree above or below the temperatures stated. 4 Chapter 1. Air, Water and Steam Table 2. Properties of Saturated Air8 Weights of Air, Vapor and Saturated Mixture of Air and Vapor at 29.921 In. of Hg. Temp Deo F Weiqht in a Cubic Foot op Mixture Wright of Dry Air Pounds Wright of Vapor Pounds Total Weight of Mixture Pounds Btu Absorbed bt One Cubic Foot Sat. Am per Deo F Cubic Feet Sat. Air Warmed One Deq per Btu Specific Heat Btu per Pound op Mixture 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 212 0.08622 0.08431 0.08244 0.08060 0.07876 0.07692 0.07503 0.07307 0.07099 0.06877 0.06634 0.06361 0.06057 O.OS712 0.05317 0.04863 0.04339 0.03733 0.03033 0.02228 0.01298 0.00230 0.00000 0.000068 0.000111 0.000177 0.000278 0.000409 0.000587 0.000828 0.001151 0.001578 0.002134 0.002851 0.003762 0.004912 0.006344 0.008116 0.010284 0.012919 0.016092 0.019888 0.024384 0.029700 0.035932 0.037286 0.08629 0.08442 0.08262 0.08088 0.07917 0.07751 0.07586 0.07422 0.07257 0.07090 0.06919 0.06737 0.06548 0.06346 0.06129 0.05891 0.05631 0.05342 0.05022 0.04666 0.04268 0.03616 0.03729 0.02078 0.02031 0.01987 0.01946 0.01908 0.01872 0.01838 0.01805 0.01775 0.01747 0.01721 0.01696 0.01675 0.01657 0.01642 0.01630 0.01624 0.01621 0.01624 0.01633 0.01649 0.01672 0.01818 48.12 49.24 50.33 51.39 52.41 53.42 54.41 55.40 56.34 57.24 58.11 58.96 59.70 60.35 60.91 61.35 61.58 61.69 61.58 61.24 60.64 59.81 55.01 0.2408 0.2406 0.2405 0.2406 0.2410 0.2415 0.2423 0.2432 0.2446 0.2464 0.2487 0.2517 0.2558 0.2611 0.2679 0.2767 0.2884 0.3034 0.3234 0.3500 0.3864 0.4624 0.4875 Compiled by W. H. Severns. based on the instantaneous specific heats of air. Table 3. Specific Heats of Dry Air3 Constant Barometric Pressure of 29.921 in. of Hg. Temperature Deo F -301.0. -108.4 32.0 212.0 392.0 752.0 1112.0 Instantaneous or True Specific Heat 0.2520 0.2430 0.2399 0.2403 0.2413 0.2430 0.2470 Temperature Range Dbg F 32 to 212 32 to 392 32 to 752 32 to 1112 Mean Specific Heat 0.2401 0.2411 0.2420 0.2430 Compiled by W. H. Severns. based on data given in the International Critical Tables.' 5 y