lib.mEoS.O2

Fluid info

  • CAS Number: 7782-44-7

  • Formula: O2

  • Synonym: R-732

  • Molecular weigth: 31.9988 g/mol

  • Tc: 154.5810 K

  • Pc: 5.0430 MPa

  • ρc: 436.1436 kg/m³

  • Tt: 54.3610 K

  • Tb: 90.1878 K

  • Acentric factor: 0.0222

  • Dipole moment: 0.0 Debye

Equation of state

  • Schmidt, R., Wagner, W.; A New Form of the Equation of State for Pure Substances and its Application to Oxygen. Fluid Phase Equuilibria. 19 (1985) 175-200, http://dx.doi.org/10.1016/0378-3812(85)87016-3

  • Younglove, B.A.; Thermophysical Properties of Fluids. I. Argon, Ethylene, Parahydrogen, Nitrogen, Nitrogen Trifluoride, and Oxygen. J. Phys. Chem. Ref. Data, 11(Suppl. 1) (1982)

  • Kunz, O., Wagner, W.; The GERG-2008 Wide-Range Equation of State for Natural Gases and Other Mixtures: An Expansion of GERG-2004. J. Chem.Eng. Data 57(11) (2012) 3032-3091, http://dx.doi.org/10.1021/je300655b

  • Span, R., Wagner, W.; Equations of state for technical applications. II. Results for nonpolar fluids.. Int. J. Thermophys. 24 (1) (2003) 41-109, http://dx.doi.org/10.1023/A:1022310214958

Viscosity

  • Lemmon, E.W., Jacobsen, R.T.; Viscosity and Thermal Conductivity Equations for Nitrogen, Oxygen, Argon, and Air. Int. J. Thermophys., 25(1) (2004) 21-69, http://dx.doi.org/10.1023/B:IJOT.0000022327.04529.f3

  • Younglove, B.A.; Thermophysical Properties of Fluids. I. Argon, Ethylene, Parahydrogen, Nitrogen, Nitrogen Trifluoride, and Oxygen. J. Phys. Chem. Ref. Data, 11(Suppl. 1) (1982)

  • Laesecke, A., Krauss, R., Stephan, K., Wagner, W.; Transport Properties of Fluid Oxygen. J. Phys. Chem. Ref. Data 19(5) (1990) 1089-1122, http://dx.doi.org/10.1063/1.555863

Thermal Conductivity

  • Lemmon, E.W., Jacobsen, R.T.; Viscosity and Thermal Conductivity Equations for Nitrogen, Oxygen, Argon, and Air. Int. J. Thermophys., 25(1) (2004) 21-69, http://dx.doi.org/10.1023/B:IJOT.0000022327.04529.f3

  • Younglove, B.A.; Thermophysical Properties of Fluids. I. Argon, Ethylene, Parahydrogen, Nitrogen, Nitrogen Trifluoride, and Oxygen. J. Phys. Chem. Ref. Data, 11(Suppl. 1) (1982)

  • Laesecke, A., Krauss, R., Stephan, K., Wagner, W.; Transport Properties of Fluid Oxygen. J. Phys. Chem. Ref. Data 19(5) (1990) 1089-1122, http://dx.doi.org/10.1063/1.555863

Calculation example

Using the first option for equation of state, we can get this diagram plots with the liquid-gas saturation region:

_images/O2.png

The diagram is generated with this module running with the compound name as parameter or edited in file

python3 plotMEoS.py O2