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Some scientific and engineering data online

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Calculation of thermodynamic state variables of ethane

lower limit for calculation: -180 C, 0.25 bar      upper limit: 340 C, 2000 bar

Pressure:
Temperature:



Calculation of thermodynamic state variables of ethane in saturation state, boiling curve

Lower limit for calculation: -180 C, 0.25 bar bar      upper limit: -85 C, 40 bar.

Pressure:
OR
Temperature:



The following thermodynamic properties will be calculated:
density, dynamic viscosity, kinematic viscosity, specific enthalpy, specific entropy, specific isobar heat capacity cp,, specific isochore heat capacity cp, speed of sound, coefficient of compressibility Z.

Calculation of Ethane : if you found an error, please mail to: wischnewski@mpib-berlin.mpg.de. No garanty for correctness.

Thermodynamic constants of ethane - C2H6

molar mass
30.06904 [ kg / kmol ]
gasconstant R
276.51272 [ J / (kg K) ]
isentropic exponent
1.304
critical state variables:
pcrit
 48.722 [ bar ]
Tcrit
 305.322 or 32.172 [ K or C]
densitycrit
 206.18 [ kg / m3 ]
tripelpoint pressure
 1.14 [ Pa ]
tripelpoint temperature
 90.368 or -182.782 [ K or C]

 

Ethane at normconditions, tnorm= 0oC,    pnorm= 1013.25 mbar:

density
 1.2557 [ kg / m3 ]
isobar heat capacity cp
 1.738 [ kJ / (kg K) ]
isochor heat capacity cv
 1.452 [ kJ / (kg K) ]
speed of sound
 309 [ m / s ]
isentropic exponent
kappa
1.183  

 


Released june 2007



Wikipedia -> Ethane