lib.mEoS.nC8

Fluid info

  • CAS Number: 111-65-9

  • Formula: CH3-(CH2)6-CH3

  • Molecular weigth: 114.2285 g/mol

  • Tc: 568.7400 K

  • Pc: 2.4836 MPa

  • ρc: 231.9981 kg/m³

  • Tt: 216.3700 K

  • Tb: 398.7940 K

  • Acentric factor: 0.395

  • Dipole moment: 0.0700 Debye

Equation of state

  • Beckmüller, R., Span, R., Lemmon, E.W., Thol, M.; A Fundamental Equation of State for the Calculation of Themodynamic Properties of n-Octane. J. Phys. Chem. Ref. Data 51 (2022) 043103, http://dx.doi.org/10.1063/5.0104661

  • 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

  • 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

  • Polt, A., Platzer, B., Maurer, G.; Parameter der thermischen Zustandsgleichung von Bender fuer 14 mehratomige reine Stoffe. Chem. Technik 22(1992)6 , 216/224

  • Starling, K.E.; Fluid Thermodynamic Properties for Light Petroleum Systems. Gulf Publishing Company, 1973.

  • Sun, L., Ely, J.F.; Universal equation of state for engineering application: Algorithm and application to non-polar and polar fluids. Fluid Phase Equilib., 222-223 (2004) 107-118, http://dx.doi.org/10.1016/j.fluid.2004.06.028

Viscosity

  • Huber, M.L., Laesecke, A. Xiang, H.W.; Viscosity correlations for minor constituent fluids in natural gas: n-octane, n-nonane and n-decane. Fluid Phase Equilibria 224 (2004) 263-270, http://dx.doi.org/10.1016/j.fluid.2004.07.012

  • Quiñones-Cisneros, S.E., Deiters, U.K.; Generalization of the Friction Theory for Viscosity Modeling. J. Phys. Chem. B, 110(25) (2006) 12820-12834, http://dx.doi.org/10.1021/jp0618577

Thermal Conductivity

  • Huber, M.L., Perkins, R.A.; Thermal conductivity correlations for minor constituent fluids in natural gas: n-octane, n-nonane and n-decane. Fluid Phase Equilibria 227 (2005) 47-55, http://dx.doi.org/10.1016/j.fluid.2004.10.031

Calculation example

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

_images/nC8.png

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

python3 plotMEoS.py nC8