Related Resources: thermodynamics

Superheated Methane Thermodynamic Properties Table

Thermodynamics
Heat Transfer

Superheated Methane Thermodynamic Properties Table, For Pressures 1500 kPa, 2000 kPa, 4000 kPa, and 8000 kPa.

Where:

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

Temp.
(°C)

v
(m3/kg)
u
(kJ/kg)
h
(kJ/kg)
s
(kJ/kg-K)
v
(m3/kg)
u
(kJ/kg)
h
(kJ/kg)
s
(kJ/kg-K)
1500 kPa (158.52 K)
2000 kPa (165.86 K)
Sat.
0.04196
207.53
270.47
8.6215
0.03062
207.01
268.25
8.4975
175
0.05078
242.64
318.81
8.9121
0.03504
229.90
299.97
8.6839
200
0.06209
289.13
382.26
9.2514
0.04463
280.91
370.17
9.0596
225
0.07239
332.85
441.44
9.5303
0.05289
326.64
432.43
9.3532
250
0.08220
375.70
499.00
9.7730
0.06059
370.67
491.84
9.6036
275
0.09171
418.65
556.21
9.9911
0.06796
414.40
550.31
9.8266
300
0.10103
462.27
613.82
10.1916
0.07513
458.59
608.85
10.0303
325
0.11022
507.04
672.37
10.3790
0.08216
503.80
668.12
10.2200
350
0.11931
553.30
732.26
10.5565
0.08909
550.40
728.58
10.3992
375
0.12832
601.30
793.78
10.7263
0.09594
598.69
790.57
10.5703
400
0.13728
651.24
857.16
10.8899
0.10274
648.87
854.34
10.7349
425
0.14619
703.26
922.54
11.0484
0.10949
701.08
920.06
10.8942
450
0.15506
757.43
990.02
11.2027
0.11620
755.43
987.84
11.0491
475
0.16391
813.80
1059.66
11.3532
0.12289
811.94
1057.72
11.2003
500
0.17273
872.37
1131.46
11.5005
0.12955
870.64
1129.74
11.3480
525
0.18152
933.12
1205.41
11.6448
0.13619
931.51
1203.88
11.4927
550
0.19031
996.02
1281.48
11.7864
0.14281
994.51
1280.13
11.6346
Sat.
4000 kPa (186.10 K)
8000 kPa
0.01160
172.96
219.34
8.0035
-
-
-
-
200
0.01763
237.70
308.23
8.4675
0.00412
55.58
88.54
7.2069
225
0.02347
298.52
392.39
8.8653
0.00846
217.30
284.98
8.1344
250
0.02814
349.08
461.63
9.1574
0.01198
298.05
393.92
8.5954
275
0.03235
396.67
526.07
9.4031
0.01469
357.88
475.39
8.9064
300
0.03631
443.48
588.73
9.6212
0.01705
411.71
548.15
9.1598
325
0.04011
490.62
651.07
9.8208
0.01924
463.52
617.40
9.3815
350
0.04381
538.70
713.93
10.0071
0.02130
515.02
685.39
9.5831
375
0.04742
588.18
777.86
10.1835
0.02328
567.12
753.34
9.7706
400
0.05097
639.34
843.24
10.3523
0.02520
620.38
821.95
9.9477
425
0.05448
692.38
910.31
10.5149
0.02707
675.14
891.71
10.1169
450
0.05795
747.43
979.23
10.6725
0.02891
731.63
962.92
10.2796
475
0.06139
804.55
1050.12
10.8258
0.03072
789.99
1035.75
10.4372
500
0.06481
863.78
1123.01
10.9753
0.03251
850.28
1110.34
10.5902
525
0.06820
925.11
1197.93
11.1215
0.03428
912.54
1186.74
10.7393
550
0.07158
988.53
1274.86
11.2646
0.03603
976.77
1264.99
10.8849
575
0.07495
1053.98
1353.77
11.4049
0.03776
1042.96
1345.07
11.0272

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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