Related Resources: thermodynamics

Methane Thermodynamic Properties Table

Thermodynamics
Heat Transfer

Superheated Methane Thermodynamic Properties Table, For Pressures 400 kPa, 600 kPa, 800 kPa, and 1000 kPa.

Where:

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

Temp.
(K)
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)
400 kPa (131.42 K)
600 kPa (138.72 K)
Sat.
0.15427
191.01
252.72
9.0754
0.10496
197.54
260.51
8.9458
150
0.18233
223.16
296.09
9.3843
0.11717
218.08
288.38
9.1390
175
0.21799
264.61
351.81
9.7280
0.14227
261.03
346.39
9.4970
200
0.25246
305.19
406.18
10.0185
0.16603
302.44
402.06
9.7944
225
0.28631
345.61
460.13
10.2726
0.18911
343.37
456.84
10.0525
250
0.31978
386.32
514.23
10.5007
0.21180
384.44
511.52
10.2830
275
0.35301
427.74
568.94
10.7092
0.23424
426.11
566.66
10.4931
300
0.38606
470.23
624.65
10.9031
0.25650
468.80
622.69
10.6882
325
0.41899
514.10
681.69
11.0857
0.27863
512.82
680.00
10.8716
350
0.45183
559.63
740.36
11.2595
0.30067
558.48
738.88
11.0461
375
0.48460
607.03
800.87
11.4265
0.32264
605.99
799.57
11.2136
400
0.51731
656.47
863.39
11.5879
0.34456
655.52
862.25
11.3754
425
0.54997
708.05
928.04
11.7446
0.36643
707.18
927.04
11.5324
450
0.58260
761.85
994.89
11.8974
0.38826
761.05
994.00
11.6855
475
0.61520
817.89
1063.97
12.0468
0.41006
817.15
1063.18
11.8351
500
0.64778
876.18
1135.29
12.1931
0.43184
875.48
1134.59
11.9816
525
0.68033
936.67
1208.81
12.3366
0.45360
936.03
1208.18
12.1252
Sat.
800 kPa (144.40 K)
1000 kPa (149.13 K)
0.07941
201.70
265.23
8.8505
0.06367
204.45
268.12
8.7735
150
0.08434
212.53
280.00
8.9509
0.06434
206.28
270.62
8.7902
175
0.10433
257.30
340.76
9.3260
0.08149
253.38
334.87
9.1871
200
0.12278
299.62
397.85
9.6310
0.09681
296.73
393.53
9.5006
225
0.14050
341.10
453.50
9.8932
0.11132
338.79
450.11
9.7672
250
0.15781
382.53
508.78
10.1262
0.12541
380.61
506.01
10.0028
275
0.17485
424.47
564.35
10.3381
0.13922
422.82
562.04
10.2164
300
0.19172
467.36
620.73
10.5343
0.15285
465.91
618.76
10.4138
325
0.20845
511.55
678.31
10.7186
0.16635
510.26
676.61
10.5990
350
0.22510
557.33
737.41
10.8938
0.17976
556.18
735.94
10.7748
375
0.24167
604.95
798.28
11.0617
0.19309
603.91
797.00
10.9433
400
0.25818
654.57
861.12
11.2239
0.20636
653.62
859.98
11.1059
425
0.27465
706.31
926.03
11.3813
0.21959
705.44
925.03
11.2636
450
0.29109
760.24
993.11
11.5346
0.23279
759.44
992.23
11.4172
475
0.30749
816.40
1062.40
11.6845
0.24595
815.66
1061.61
11.5672
500
0.32387
874.79
1133.89
11.8311
0.25909
874.10
1133.19
11.7141
525
0.34023
935.38
1207.56
11.9749
0.27221
934.73
1206.95
11.8580
550
0.35657
998.14
1283.45
12.1161
0.28531
997.53
1282.84
11.9992

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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