Page 374 - Applied Process Design For Chemical And Petrochemical Plants Volume III

66131_Ludwig_CH11A 5/30/2001 4:50 PM Page 331

Refrigeration Systems 331

Net Refrig- Specific Com-
Refrigerant Evapo- Con- Refrig- erant Volume of pressor Power
Suction rator denser Com- erating Circu- Suction Displace- Consump-
Chemical Name or Temp., Pressure, Pressure, pression Effect, lated, Gas, ment, tion,
No. Composition (% by mass) o F psia psia Ratio Btu/lb m lb m /min ft 3 /lb m cfm hp
13B1 Bromotrifluoromethane 40 31.855 207.854 6.53 28.81 6.94155 0.8915 6.189 1.855
125 Pentafluoroethane 40 21.840 175.100 8.02 37.44 5.34188 1.6250 8.681 1.962
290 Propane 40 16.099 121.560 7.55 119.33 1.67602 6.0829 10.195 1.670
22 Chlorodifluoromethane 40 15.268 131.997 8.65 70.65 2.83106 3.2805 9.287 1.606
717 Ammonia 40 10.4 124.31 11.95 486.55 0.411 25.1436 10.334 1.576
500 R12/152a (73.8/26.2) 40 10.959 96.948 8.85 60.24 3.31989 3.9895 13.245 1.583
12 Dichlorodifluoromethane 40 9.304 82.295 8.84 49.44 4.04572 3.8868 15.725 1.596
134a Tetrafluoroethane 40 7.42 83.0 11.19 63.17 3.166 5.7899 18.331 1.597
10 o F Saturated Evaporating, 0 o F Suction Superheat, 100 o F Saturated Condensing
123 Dichlorotrifluoroethane 10 1.48 20.8 14.07 55.64 3.594 21.1405 75.979 1.436
11 Trichlorofluoromethane 10 1.92 23.37 12.2 61.82 3.235 18.1691 58.777 1.398
124 Chlorotetrafluoroethane 10 8.950 80.920 9.04 44.99 4.44543 3.8410 17.075 1.649
134a Tetrafluoroethane 10 16.62 138.98 8.36 56.57 3.535 2.7114 9.585 1.589
12 Dichlorodifluoromethane 10 19.197 131.720 6.86 44.89 4.45563 1.9803 8.823 1.606
717 Ammonia 10 23.73 211.96 8.93 461.25 0.434 11.6774 5.068 1.494
22 Chlorodifluoromethane 10 31.231 210.670 6.75 64.07 3.12173 1.6757 5.231 1.602
502 R22/115 (48.8/51.2) 10 37.256 230.890 6.20 39.05 5.12177 1.0727 5.494 1.904
125 Pentafluoroethane 10 43.320 276.950 6.39 31.09 6.43294 0.8459 5.442 2.172
10 o F Saturated Evaporating, 75 o F Suction Superheat (Not Included in Refrigeration Effect), 100 o F Saturated Condensing
123 Dichlorotrifluoroethane 65 1.48 20.8 14.07 55.64 3.594 24.8022 89.139 1.678
11 Trichlorofluoromethane 65 1.92 23.37 12.2 61.82 3.235 21.2804 68.842 1.632
124 Chlorotetrafluoroethane 65 8.950 80.920 9.04 44.99 4.44543 4.5310 20.142 1.919
134a Tetrafluoroethane 65 16.62 138.98 8.36 56.57 3.535 3.2359 11.439 1.906
12 Dichlorodifluoromethane 65 19.197 131.720 6.86 44.89 4.45563 2.3597 10.514 1.914
717 Ammonia 65 23.73 211.96 8.93 461.25 0.434 13.7281 5.958 1.742
22 Chlorodifluoromethane 65 31.231 210.670 6.75 64.07 3.12173 2.0121 6.281 1.924
502 R22/115 (48.8/51.2) 65 37.256 230.890 6.20 39.05 5.12177 1.3015 6.666 2.310
125 Pentafluoroethane 65 43.320 276.950 6.39 31.09 6.43294 1.0280 6.613 2.573
10 o F Saturated Evaporating, 75 o F Suction Superheat (Included in Refrigeration Effect), 100 o F Saturated Condensing
123 Dichlorotrifluoroethane 65 1.48 20.8 14.07 67.3 2.972 24.7971 73.697 1.387
11 Trichlorofluoromethane 65 1.92 23.37 12.2 71.88 2.783 21.2763 59.212 1.403
124 Chlorotetrafluoroethane 65 8.950 80.920 9.04 57.33 3.48857 4.5310 15.807 1.506
134a Tetrafluoroethane 65 16.62 138.98 8.36 71.25 2.807 3.2358 9.083 1.513
12 Dichlorodifluoromethane 65 19.197 131.720 6.86 55.83 3.58251 2.3597 8.454 1.539
717 Ammonia 65 23.73 211.96 8.93 498.44 0.401 13.7506 5.514 1.612
22 Chlorodifluoromethane 65 31.231 210.670 6.75 75.95 2.63326 2.0121 5.298 1.623
502 R22/115 (48.8/51.2) 65 37.256 230.890 6.20 51.23 3.90362 1.3015 5.081 1.761
125 Pentafluoroethane 65 43.320 276.950 6.39 45.13 4.43164 1.0280 4.556 1.773
20°F Saturated Evaporating, 0°F Suction Superheat, 80°F Saturated Condensing
125 Pentafluoroethane 20 78.400 209.270 2.67 41.47 4.82276 0.4735 2.284 0.831
290 Propane 20 55.931 144.330 2.58 128.39 1.55775 1.8873 2.940 0.721
22 Chlorodifluoromethane 20 57.786 158.360 2.74 73.12 2.73512 0.9334 2.553 0.707
717 Ammonia 20 48.19 153.06 3.18 497.1 0.402 6.0498 2.432 0.677
500 R12/152a (73.8/26.2) 20 41.936 116.620 2.78 64.15 3.11784 1.1294 3.521 0.702
12 Dichlorodifluoromethane 20 35.765 98.850 2.76 53.22 3.75827 1.1045 4.151 0.701
134a Tetrafluoroethane 20 33.13 101.49 3.06 67.91 2.945 1.4088 4.149 0.693
124 Chlorotetrafluoroethane 20 18.290 58.410 3.19 54.67 3.65831 1.9640 7.185 0.710
600a Isobutane 20 17.916 53.907 3.01 121.45 1.64677 4.7361 7.799 0.706
600 Butane 20 11.557 37.225 3.22 134.18 1.49054 7.3947 11.022 0.686
123 Dichlorotrifluoroethane 20 3.48 14.07 4.04 64.75 3.089 9.5073 29.368 0.656
11 Trichlorofluoromethane 20 4.33 16.17 3.74 69.78 2.866 8.5213 24.422 0.649
40°F Saturated Evaporating, 0°F Suction Superheat, 100°F Saturated Condensing
125 Pentafluoroethane 40 111.710 276.950 2.48 37.10 5.39084 0.3312 1.785 0.860
290 Propane 40 78.782 189.040 2.40 114.96 1.73974 1.3563 2.360 0.750
22 Chlorodifluoromethane 40 83.246 210.670 2.53 68.71 2.91091 0.6557 1.909 0.696
717 Ammonia 40 73.3 211.96 2.89 480.33 0.416 4.0841 1.699 0.653
500 R12/152a (73.8/26.2) 40 60.722 155.790 2.57 60.54 3.30344 0.7920 2.616 0.692
12 Dichlorodifluoromethane 40 51.705 131.720 2.55 50.50 3.96024 0.7784 3.083 0.689
134a Tetrafluoroethane 40 49.77 138.98 2.79 63.72 3.139 0.9522 2.989 0.679
124 Chlorotetrafluoroethane 40 27.890 80.920 2.90 52.06 3.84172 1.3180 5.063 0.698
600a Isobutane 40 26.750 73.364 2.74 115.83 1.72667 3.2564 5.623 0.693
600 Butane 40 17.679 51.683 2.92 129.22 1.54775 4.9754 7.701 0.669
11 Trichlorofluoromethane 40 6.99 23.37 3.34 68.04 2.939 5.4546 16.031 0.624
123 Dichlorotrifluoroethane 40 5.79 20.8 3.59 62.82 3.184 5.9212 18.853 0.653
113 Trichlorotrifluoroethane 47 2.695 10.494 3.89 54.14 3.69433 10.7059 39.551 0.710
Used by permission: 1997 ASHRAE Handbook Fundamentals, I-P Ed., Table 8, p. 18.7 and 18.8, ©1997. American Society of Heating, Refrigerating, and Air Conditioning Engineers, Inc. All rights reserved.
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