Related Resources: thermodynamics

Methane Thermodynamic Properties Table

Thermodynamics
Heat Transfer

Saturated Methane Thermodynamic Properties Table, Enthalpy, kJ/kg and Entropy, kJ/kg-K

Where:

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

Temp.
(K)
P
(kPa)
Enthalpy, kJ/kg
Entropy, kJ/kg- K
hf
hfg
hg
sf
sfg
sg
90.7
11.7
− 358.07
543.12
185.05
4.2264
5.9891
10.2155
95
19.8
− 343.75
537.18
193.43
4.3805
5.6545
10.0350
100
34.4
− 326.83
529.77
202.94
4.5538
5.2977
9.8514
105
56.4
− 309.66
521.82
212.16
4.7208
4.9697
9.6905
110
88.2
− 292.29
513.29
221.00
4.8817
4.6663
9.5480
111.7
101.3
− 286.50
510.33
223.83
4.9336
4.5706
9.5042
115
132.3
− 274.74
504.12
229.38
5.0368
4.3836
9.4205
120
191.6
− 256.98
494.20
237.23
5.1867
4.1184
9.3051
125
269.0
− 238.99
483.44
244.45
5.3321
3.8675
9.1996
130
367.6
− 220.72
471.72
251.00
5.4734
3.6286
9.1020
135
490.7
− 202.13
458.90
256.77
5.6113
3.3993
9.0106
140
641.6
− 183.16
444.85
261.69
5.7464
3.1775
8.9239
145
823.7
− 163.73
429.38
265.66
5.8794
2.9613
8.8406
150
1040.5
− 143.74
412.29
268.54
6.0108
2.7486
8.7594
155
1295.6
− 123.09
393.27
270.18
6.1415
2.5372
8.6787
160
1592.8
− 101.61
371.96
270.35
6.2724
2.3248
8.5971
165
1935.9
− 79.08
347.82
268.74
6.4046
2.1080
8.5126
170
2329.3
− 55.17
320.02
264.85
6.5399
1.8824
8.4224
175
2777.6
− 29.33
287.20
257.87
6.6811
1.6411
8.3223
180
3286.4
− 0.53
246.77
246.25
6.8333
1.3710
8.2043
185
3863.2
33.83
192.16
226.00
7.0095
1.0387
8.0483
190
4520.5
91.56
80.58
172.14
7.3015
0.4241
7.7256
190.6
4599.2
129.74
0
129.74
7.4999
0
7.4999

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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