Refrigerant 142b (Chlorodifluoroethane) properties of saturated liquid and saturated vapor
From ASHRAE (1997), with permission
Values shown in red are at the boiling point
Temp., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-60 |
2.135 |
80.26 |
19.796 |
-3.732 |
92.263 |
-0.00910 |
0.23109 |
|
0.1623 |
1.1441 |
|
471 |
|
|
|
|
|
-55 |
2.485 |
79.89 |
17.199 |
-2.822 |
93.043 |
-0.00684 |
0.23006 |
|
0.1636 |
1.1435 |
|
473 |
|
|
|
|
|
-50 |
2.881 |
79.52 |
14.995 |
-1.897 |
93.826 |
-0.00457 |
0.22909 |
|
0.1649 |
1.1430 |
|
475 |
|
|
|
|
|
-45 |
3.329 |
79.15 |
13.116 |
-0.956 |
94.611 |
-0.00229 |
0.22818 |
|
0.1663 |
1.1425 |
|
477 |
|
|
|
|
|
-40 |
3.833 |
78.77 |
11.509 |
0.000 |
95.399 |
0.00000 |
0.22732 |
|
0.1676 |
1.1422 |
|
479 |
|
|
|
|
|
-35 |
4.399 |
78.40 |
10.130 |
0.972 |
96.187 |
0.00230 |
0.22651 |
|
0.1690 |
1.1420 |
|
481 |
|
|
|
|
|
-30 |
5.033 |
78.02 |
8.9418 |
1.961 |
96.977 |
0.00461 |
0.22575 |
|
0.1704 |
1.1419 |
|
483 |
|
|
|
|
|
-25 |
5.740 |
77.64 |
7.9154 |
2.967 |
97.768 |
0.00693 |
0.22503 |
|
0.1718 |
1.1419 |
|
485 |
|
|
|
|
|
-20 |
6.526 |
77.26 |
7.0257 |
3.990 |
98.560 |
0.00927 |
0.22436 |
|
0.1732 |
1.1420 |
|
487 |
|
|
|
|
|
-15 |
7.400 |
76.88 |
6.2523 |
5.030 |
99.351 |
0.01162 |
0.22373 |
|
0.1746 |
1.1422 |
|
488 |
|
|
|
|
|
-10 |
8.366 |
76.49 |
5.5778 |
6.088 |
100.143 |
0.01398 |
0.22314 |
|
0.1760 |
1.1425 |
|
490 |
|
|
|
|
|
-5 |
9.433 |
76.11 |
4.9880 |
7.163 |
100.933 |
0.01635 |
0.22259 |
|
0.1775 |
1.1430 |
|
491 |
|
|
0.0561 |
|
|
0 |
10.609 |
75.72 |
4.4709 |
8.257 |
101.722 |
0.01874 |
0.22207 |
|
0.1789 |
1.1436 |
|
493 |
|
|
0.0555 |
|
|
5 |
11.901 |
75.33 |
4.0163 |
9.370 |
102.510 |
0.02114 |
0.22158 |
|
0.1804 |
1.1444 |
|
494 |
|
|
0.0548 |
|
|
10 |
13.318 |
74.93 |
3.6156 |
10.501 |
103.295 |
0.02355 |
0.22113 |
|
0.1819 |
1.1453 |
|
495 |
|
|
0.0542 |
|
16.17 |
14.47 |
14.696 |
74.58 |
3.2973 |
11.527 |
103.995 |
0.02572 |
0.22074 |
|
0.1833 |
1.1463 |
|
496 |
|
|
0.0537 |
|
15.85 |
15 |
14.868 |
74.53 |
3.2616 |
11.651 |
104.078 |
0.02598 |
0.22070 |
|
0.1834 |
1.1464 |
|
496 |
|
|
0.0536 |
|
15.81 |
20 |
16.560 |
74.13 |
2.9480 |
12.819 |
104.857 |
0.02842 |
0.22030 |
|
0.1850 |
1.1477 |
|
497 |
|
|
0.0530 |
|
15.44 |
25 |
18.404 |
73.73 |
2.6696 |
14.007 |
105.633 |
0.03087 |
0.21992 |
|
0.1866 |
1.1492 |
|
498 |
|
|
0.0524 |
|
15.08 |
30 |
20.410 |
73.32 |
2.4219 |
15.213 |
106.404 |
0.03334 |
0.21957 |
|
0.1882 |
1.1509 |
|
499 |
|
|
0.0519 |
|
14.72 |
Temp., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
35 |
22.587 |
72.91 |
2.2010 |
16.439 |
107.171 |
0.03582 |
0.21924 |
0.2993 |
0.1898 |
1.1528 |
|
499 |
|
0.0236 |
0.0513 |
|
14.37 |
40 |
24.945 |
72.50 |
2.0037 |
17.684 |
107.932 |
0.03831 |
0.21892 |
0.3009 |
0.1915 |
1.1549 |
|
500 |
|
0.0238 |
0.0507 |
|
14.01 |
45 |
27.495 |
72.08 |
1.8270 |
18.948 |
108.687 |
0.04081 |
0.21863 |
0.3026 |
0.1932 |
1.1572 |
|
500 |
|
0.0241 |
0.0501 |
|
13.65 |
50 |
30.248 |
71.66 |
1.6684 |
20.230 |
109.436 |
0.04333 |
0.21835 |
0.3043 |
0.1950 |
1.1599 |
|
500 |
|
0.0243 |
0.0495 |
|
13.30 |
55 |
33.216 |
71.24 |
1.5260 |
21.531 |
110.177 |
0.04585 |
0.21809 |
0.3059 |
0.1968 |
1.1628 |
|
500 |
|
0.0245 |
0.0489 |
|
12.95 |
60 |
36.408 |
70.80 |
1.3976 |
22.852 |
110.910 |
0.04839 |
0.21784 |
0.3076 |
0.1986 |
1.1660 |
|
501 |
|
0.0247 |
0.0483 |
|
12.60 |
65 |
39.838 |
70.37 |
1.2819 |
24.190 |
111.635 |
0.05094 |
0.21760 |
0.3093 |
0.2005 |
1.1696 |
|
500 |
|
0.0250 |
0.0478 |
|
12.25 |
70 |
43.517 |
69.93 |
1.1773 |
25.547 |
112.350 |
0.05349 |
0.21737 |
0.3111 |
0.2025 |
1.1735 |
|
500 |
|
0.0252 |
0.0472 |
|
11.91 |
75 |
47.458 |
69.48 |
1.0826 |
26.922 |
113.055 |
0.05606 |
0.21715 |
0.3128 |
0.2046 |
1.1778 |
|
500 |
|
0.0254 |
0.0466 |
|
11.56 |
80 |
51.672 |
69.03 |
0.9967 |
28.314 |
113.750 |
0.05863 |
0.21694 |
0.3146 |
0.2067 |
1.1825 |
|
500 |
|
0.0256 |
0.0460 |
|
11.22 |
85 |
56.172 |
68.57 |
0.9187 |
29.724 |
114.433 |
0.06121 |
0.21673 |
0.3164 |
0.2089 |
1.1876 |
|
499 |
|
0.0258 |
0.0455 |
|
10.88 |
90 |
60.971 |
68.11 |
0.8478 |
31.151 |
115.103 |
0.06379 |
0.21652 |
0.3183 |
0.2112 |
1.1933 |
|
498 |
|
0.0260 |
0.0449 |
|
10.54 |
95 |
66.083 |
67.64 |
0.7832 |
32.595 |
115.761 |
0.06638 |
0.21632 |
0.3202 |
0.2136 |
1.1994 |
|
498 |
|
0.0262 |
0.0443 |
|
10.20 |
100 |
71.521 |
67.16 |
0.7242 |
34.054 |
116.405 |
0.06897 |
0.21611 |
0.3222 |
0.2161 |
1.2062 |
|
497 |
|
0.0265 |
0.0438 |
|
9.86 |
105 |
77.297 |
66.67 |
0.6704 |
35.530 |
117.034 |
0.07157 |
0.21591 |
0.3242 |
0.2187 |
1.2135 |
|
496 |
|
0.0267 |
0.0432 |
|
9.53 |
110 |
83.427 |
66.18 |
0.6211 |
37.021 |
117.647 |
0.07416 |
0.21570 |
0.3263 |
0.2214 |
1.2216 |
|
495 |
|
0.0269 |
0.0427 |
|
9.20 |
115 |
89.923 |
65.68 |
0.5760 |
38.526 |
118.245 |
0.07676 |
0.21548 |
0.3284 |
0.2243 |
1.2304 |
|
493 |
|
0.0271 |
0.0421 |
|
8.87 |
120 |
96.799 |
65.17 |
0.5346 |
40.046 |
118.824 |
0.07936 |
0.21527 |
0.3307 |
0.2274 |
1.2400 |
|
492 |
|
0.0274 |
0.0415 |
|
8.54 |
125 |
104.07 |
64.64 |
0.4966 |
41.579 |
119.386 |
0.08196 |
0.21504 |
0.3330 |
0.2306 |
1.2505 |
|
491 |
|
0.0276 |
0.0410 |
|
8.22 |
130 |
111.75 |
64.11 |
0.4617 |
43.126 |
119.929 |
0.08456 |
0.21481 |
0.3354 |
0.2340 |
1.2620 |
|
489 |
|
0.0279 |
0.0404 |
|
7.90 |
Temp., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
135 |
119.85 |
63.57 |
0.4295 |
44.685 |
120.451 |
0.08715 |
0.21456 |
0.3378 |
0.2377 |
1.2746 |
|
487 |
|
0.0281 |
0.0399 |
|
7.58 |
140 |
128.39 |
63.01 |
0.3999 |
46.256 |
120.952 |
0.08974 |
0.21430 |
0.3404 |
0.2415 |
1.2883 |
|
486 |
|
0.0284 |
0.0394 |
|
7.26 |
145 |
137.39 |
62.44 |
0.3726 |
47.838 |
121.432 |
0.09232 |
0.21403 |
0.3431 |
0.2457 |
1.3033 |
|
484 |
|
0.0287 |
0.0388 |
|
6.94 |
150 |
146.85 |
61.86 |
0.3473 |
49.432 |
121.888 |
0.09490 |
0.21375 |
0.3458 |
0.2501 |
1.3198 |
|
482 |
|
0.0290 |
0.0383 |
|
6.63 |
155 |
156.79 |
61.26 |
0.3239 |
51.036 |
122.321 |
0.09747 |
0.21345 |
0.3487 |
0.2549 |
1.3379 |
|
480 |
|
0.0293 |
0.0377 |
|
6.32 |
160 |
167.22 |
60.65 |
0.3023 |
52.650 |
122.728 |
0.10004 |
0.21313 |
0.3517 |
0.2600 |
1.3576 |
|
478 |
|
0.0296 |
0.0372 |
|
6.01 |
165 |
178.17 |
60.02 |
0.2823 |
54.275 |
123.109 |
0.10259 |
0.21279 |
0.3548 |
0.2655 |
1.3794 |
|
476 |
|
0.0299 |
0.0367 |
|
5.70 |
170 |
189.64 |
59.37 |
0.2637 |
55.909 |
123.463 |
0.10514 |
0.21243 |
0.3580 |
0.2714 |
1.4032 |
|
473 |
|
0.0303 |
0.0361 |
|
5.40 |
175 |
201.66 |
58.71 |
0.2465 |
57.552 |
123.789 |
0.10768 |
0.21205 |
|
0.2779 |
1.4294 |
|
471 |
|
0.0307 |
|
|
5.10 |
180 |
214.23 |
58.02 |
0.2305 |
59.206 |
124.085 |
0.11022 |
0.21164 |
|
0.2849 |
1.4582 |
|
469 |
|
0.0311 |
|
|
4.81 |
185 |
227.37 |
57.30 |
0.2156 |
60.871 |
124.351 |
0.11274 |
0.21121 |
|
0.2925 |
1.4900 |
|
466 |
|
0.0315 |
|
|
4.51 |
190 |
241.09 |
56.56 |
0.2017 |
62.547 |
124.585 |
0.11527 |
0.21076 |
|
0.3009 |
1.5251 |
|
463 |
|
0.0319 |
|
|
4.22 |
195 |
255.41 |
55.80 |
0.1888 |
64.236 |
124.786 |
0.11778 |
0.21027 |
|
0.3100 |
1.5638 |
|
461 |
|
0.0324 |
|
|
3.94 |
200 |
270.35 |
55.00 |
0.1767 |
65.940 |
124.952 |
0.12030 |
0.20976 |
|
0.3200 |
1.6067 |
|
458 |
|
0.0329 |
|
|
3.65 |
205 |
285.92 |
54.16 |
0.1654 |
67.661 |
125.082 |
0.12282 |
0.20921 |
|
0.3310 |
1.6544 |
|
455 |
|
0.0334 |
|
|
3.38 |
210 |
302.13 |
53.29 |
0.1548 |
69.404 |
125.174 |
0.12535 |
0.20863 |
|
0.3432 |
1.7076 |
|
451 |
|
0.0340 |
|
|
3.10 |
215 |
319.00 |
52.38 |
0.1449 |
71.173 |
125.225 |
0.12789 |
0.20801 |
|
0.3568 |
1.7673 |
|
448 |
|
0.0345 |
|
|
2.83 |
220 |
336.54 |
51.41 |
0.1356 |
72.975 |
125.232 |
0.13046 |
0.20735 |
|
0.3721 |
1.8347 |
|
444 |
|
0.0352 |
|
|
2.56 |
225 |
354.77 |
50.40 |
0.1269 |
74.819 |
125.192 |
0.13307 |
0.20664 |
|
0.3894 |
1.9116 |
|
439 |
|
0.0358 |
|
|
2.30 |
230 |
373.70 |
49.31 |
0.1186 |
76.717 |
125.099 |
0.13573 |
0.20588 |
|
0.4093 |
2.0006 |
|
434 |
|
0.0365 |
|
|
2.05 |
Temp., °F |
Pressure, psia |
Density, lb/ft3 |
Volume, ft3/lb |
Enthalpy, Btu/lb |
Entropy, Btu/lb·°F |
Specific heat, cp, Btu/lb·°F |
cp/cv |
Velocity of sound, ft/s |
Viscosity, lbm/ft·h |
Thermal cond., Btu/h·ft·°F |
Surface tension, dyne/cm |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
235 |
393.34 |
48.16 |
0.1107 |
78.686 |
124.943 |
0.13846 |
0.20505 |
|
0.4327 |
2.1059 |
|
428 |
|
|
|
|
1.80 |
240 |
413.72 |
46.92 |
0.1032 |
80.750 |
124.714 |
0.14131 |
0.20415 |
|
0.4611 |
2.2343 |
|
421 |
|
|
|
|
1.55 |
245 |
434.84 |
45.57 |
0.0959 |
82.943 |
124.391 |
0.14431 |
0.20313 |
|
0.4970 |
2.3984 |
|
411 |
|
|
|
|
1.31 |
250 |
456.71 |
44.10 |
0.0887 |
85.320 |
123.937 |
0.14755 |
0.20196 |
|
0.5463 |
2.6252 |
|
399 |
|
|
|
|
1.08 |