Related Resources: thermodynamics

Superheated R-134a Thermodynamic Properties Table

Thermodynamics
Heat Transfer

Superheated R-134a Thermodynamic Properties Tables for Pressures 800 kPa, 1000 kPa, 1200 kPa, and 1400 kPa.

Where:

v = Specific volume
u = Specific internal energy
h = Specific enthalpy
s = Specific entropy

Temp.
(°C)
v
(m3/kg)
u
(kJ/kg)
v
(kJ/kg)
s
(kJ/kg-K)
v
(m3/kg )
u
(kJ/kg)
h
(kJ/kg)
s
(kJ/kg-K)
Sat.
800 kPa (31.30 °C)
1000 kPa (39.37 °C)
0.02571
395.15
415.72
1.7150
0.02038
399.16
419.54
1.7125
40
0.02711
403.17
424.86
1.7446
0.02047
399.78
420.25
1.7148
50
0.02861
412.23
435.11
1.7768
0.02185
409.39
431.24
1.7494
60
0.03002
421.20
445.22
1.8076
0.02311
418.78
441.89
1.7818
70
0.03137
430.17
455.27
1.8373
0.02429
428.05
452.34
1.8127
80
0.03268
439.17
465.31
1.8662
0.02542
437.29
462.70
1.8425
90
0.03394
448.22
475.38
1.8943
0.02650
446.53
473.03
1.8713
100
0.03518
457.35
485.50
1.9218
0.02754
455.82
483.36
1.8994
110
0.03639
466.58
495.70
1.9487
0.02856
465.18
493.74
1.9268
120
0.03758
475.92
505.99
1.9753
0.02956
474.62
504.17
1.9537
130
0.03876
485.37
516.38
2.0014
0.03053
484.16
514.69
1.9801
140
0.03992
494.94
526.88
2.0271
0.03150
493.81
525.30
2.0061
150
0.04107
504.64
537.50
2.0525
0.03244
503.57
536.02
2.0318
160
0.04221
514.46
548.23
2.0775
0.03338
513.46
546.84
2.0570
170
0.04334
524.42
559.09
2.1023
0.03431
523.46
557.77
2.0820
180
0.04446
534.51
570.08
2.1268
0.03523
533.60
568.83
2.1067
Sat.
1200 kPa (46.31 °C)
1400 kPa (52.42 °C)
0.01676
402.37
422.49
1.7102
0.01414
404.98
424.78
1.7077
50
0.01724
406.15
426.84
1.7237
60
0.01844
416.08
438.21
1.7584
0.01503
413.03
434.08
1.7360
70
0.01953
425.74
449.18
1.7908
0.01608
423.20
445.72
1.7704
80
0.02055
435.27
459.92
1.8217
0.01704
433.09
456.94
1.8026
90
0.02151
444.74
470.55
1.8514
0.01793
442.83
467.93
1.8333
100
0.02244
454.20
481.13
1.8801
0.01878
452.50
478.79
1.8628
110
0.02333
463.71
491.70
1.9081
0.01958
462.17
489.59
1.8914
120
0.02420
473.27
502.31
1.9354
0.02036
471.87
500.38
1.9192
130
0.02504
482.91
512.97
1.9621
0.02112
481.63
511.19
1.9463
140
0.02587
492.65
523.70
1.9884
0.02186
491.46
522.05
1.9730
150
0.02669
502.48
534.51
2.0143
0.02258
501.37
532.98
1.9991
160
0.02750
512.43
545.43
2.0398
0.02329
511.39
543.99
2.0248
170
0.02829
522.50
556.44
2.0649
0.02399
521.51
555.10
2.0502
180
0.02907
532.68
567.57
2.0898
0.02468
531.75
566.30
2.0752

Temperature Conversions

Pressure Conversions

  • kPa to psi, 0.145038 lbs/in2 = 1kPa / 6.89479 (kPa / psi) or Divide kPa by 6.89479
  • psi to kPa, 6.89476 kPa = 1 psi (multiply psi by 6.89476)

Volume Conversions

  • m3/ kg to in3/lbs, 27679.9 in3/lbs = 1 m3/ kg, ( multiply m3/ kg by 27679.9 to get in3/lbs )
  • in3/lbs to m3/ kg, 3.6127 x 10-5 m3/ kg = 1 in3/lbs ( divide in3/lbs by 3.6127 x 10-5 )

Energy Conversions

  • BTU/lbs to kJ/kg, 1 kJ/k = 0.429923 BTU/lbs ( multiple BTU/lbs by 0.429923 )
  • kJ / kg to Btu / lbs, 1 BTU/lbs = 2.326 kJ/kg ( divide kJ/kg by 2.326 )
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