Document MM8y0ka8E3yNYgyYX29knd9Kk

American Society of Heating and Ventilating Engineers Guide, 1937 Temperature Deo F Table 1. Properties of Dry AiRa 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 per Deo F Co Ft Drt Am Warmed One Deg per Btu 0 i 20 30 40 SO 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. Sevems, 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 Ama Weights of Air, Vapor and Saturated Mixture of Air and Vapor at 29.921 In. of Hg Temp. FDeg Weight in a Cubic Foot op Mixture Wright of Dry Air Pounds Weight of Vapor Pounds Total Wright of Mixture Pounds Btu Absorbed bt One Cubic Foot Sat. Am per Deg F Cubic Feet Sat. Am Warmed One Deg 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 0.05712 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 0.303* 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 Air* Constant Barometric Pressure of 29.921 In. of Hg Temperature Deg F Instantaneous or True Specific Heat Temperature Range Deg F Mean Specific Heat -301.0 -108.4 32.0 , 212.6 392.0 752.0 1112.0 0.2520 0.2430 0.2399 0.2403 0.2413 0.2430 0.2470 32 to 212 32 to 392 32 to 752 32 to 1112 0.-2401 0.2411 0.2420 0.243d Complied by W. H. Sevems, based on data given in the International Critical Tables. 5