Page 33 - Mechanical Engineers' Handbook (Volume 4)
P. 33
22 Thermophysical Properties of Fluids
Table 14 Thermodynamic Properties of Saturated Refrigerant 134a a
P t v ƒ v g h ƒ h g s ƒ s g c pf c pg
(bar) ( C) (m /kg) (m /kg) (kJ/kg) (kJ/kg) (kJ/kg K) (kJ/kg K) (kJ/kg K) (kJ/kg K)
3
3
0.5 40.69 0.000 707 0.3690 0.9 225.5 0.0036 0.9698 1.2538 0.7476
0.6 36.94 0.000 712 0.3109 3.3 227.5 0.0165 0.9645 1.2600 0.7584
0.7 33.93 0.000 716 0.2692 7.7 229.4 0.0324 0.9607 1.2654 0.7680
0.8 31.12 0.000 720 0.2375 11.2 231.2 0.0472 0.9572 1.2707 0.7771
0.9 28.65 0.000 724 0.2126 14.4 233.0 0.0601 0.9545 1.2755 0.7854
1 26.52 0.000 729 0.1926 16.8 234.2 0.0720 0.9519 1.2799 0.7931
1.5 17.26 0.000 742 0.1314 28.6 240.0 0.1194 0.9455 1.2992 0.8264
2 10.18 0.000 754 0.1001 37.8 243.6 0.1547 0.9379 1.3153 0.8540
2.5 4.38 0.000 764 0.0809 45.5 247.3 0.1834 0.9340 1.3297 0.8782
3 0.59 0.000 774 0.0679 52.1 250.1 0.2077 0.9312 1.3428 0.9002
4 8.86 0.000 791 0.0514 63.3 254.9 0.2478 0.9270 1.3670 0.9400
5 15.68 0.000 806 0.0413 72.8 258.8 0.2804 0.9241 1.3894 0.9761
6 21.54 0.000 820 0.0344 81.0 262.1 0.3082 0.9219 1.4108 0.9914
8 31.35 0.000 846 0.0257 95.0 267.1 0.3542 0.9185 1.4526 1.0750
10 39.41 0.000 871 0.0204 106.9 270.9 0.3921 0.9157 1.4948 1.1391
12 46.36 0.000 894 0.01672 117.5 273.9 0.4246 0.9132 1.539 1.205
14 52.48 0.000 918 0.01411 127.0 276.2 0.4533 0.9107 1.586 1.276
16 57.96 0.000 941 0.01258 135.7 277.9 0.4794 0.9081 1.637 1.353
18 62.94 0.000 965 0.01056 143.9 279.3 0.5031 0.9052 1.695 1.439
20 67.52 0.000 990 0.00929 151.4 280.1 0.5254 0.9021 1.761 1.539
22.5 72.74 0.001 023 0.00800 160.9 280.8 0.5512 0.8976 1.859 1.800
25 77.63 0.001 058 0.00694 169.8 280.8 0.5756 0.8925 1.983 1.883
27.5 82.04 0.001 096 0.00605 178.2 280.3 0.5989 0.8865 2.151 2.149
30 86.20 0.001 141 0.00528 186.5 279.4 0.6216 0.8812 2.388 2.527
35 93.72 0.001 263 0.00397 203.7 274.1 0.6671 0.8589 3.484 4.292
40 100.34 0.001 580 0.00256 227.4 257.2 0.7292 0.8090 26.33 37.63
40.59 101.06 0.001 953 0.00195 241.5 241.5 0.7665 0.7665
a Converted and reproduced from R. Tillner-Roth and H. D. Baehr, J. Phys. Chem. Ref. Data, 23 (5), 657–730 (1994). h ƒ s ƒ 0 at 233.15
K 40 C.
