lib.mEoS.H2O¶
Fluid info¶
CAS Number: 7732-18-5
Formula: H2O
Synonym: R-718
Molecular weigth: 18.015268 g/mol
Tc: 647.0960 K
Pc: 22.0640 MPa
ρc: 322.0000 kg/m³
Tt: 273.1600 K
Tb: 373.1243 K
Acentric factor: 0.3443
Dipole moment: 1.8550 Debye
Equation of state¶
Wagner, W., Pruß, A.; The IAPWS Formulation 1995 for the ThermodynamicProperties of Ordinary Water Substance forGeneral and Scientific Use. J. Phys. Chem. Ref. Data 31, 387 (2002), http://dx.doi.org/10.1063/1.1461829
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
Saul, A., Wagner, W.; A Fundamental Equation for Water Covering theRange from the Melting Line to 1273 K atPressures up to 25000 MPa. J. Phys. Chem. Ref. Data 18(4) (1989) 1537-1564, http://dx.doi.org/10.1063/1.555836
Saul, A., Wagner, W.; A Fundamental Equation for Water Covering theRange from the Melting Line to 1273 K atPressures up to 25000 MPa. J. Phys. Chem. Ref. Data 18(4) (1989) 1537-1564, http://dx.doi.org/10.1063/1.555836
Sun, L., Ely, J.F.; Universal equation of state for engineering application: Algorithm and application tonon-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., Perkins, R.A., Lasecke, A., Friend, D.G., Sengers, J.V., Assael, M.J., Metaxa, I.N.,Vogel, E., Mareš, R., Miyagawa, K.; New International Formulation for the Viscosityof H2O. J. Phys. Chem. Ref. Data 38(2) (2009) 101-125, http://dx.doi.org/10.1063/1.3088050
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., Friend, D.G., Sengers, J.V., Assael, M.J., Metaxa, I.N., Miyagawa, K., Hellmann, R., Vogel, E.; New International Formulation for the ThermalConductivity of H20. J. Phys. Chem. Ref. Data 41(3) (2012) 033102, http://dx.doi.org/10.1063/1.4738955
Calculation example¶
Using the first option for equation of state, we can get this diagram plots with the liquid-gas saturation region:
The diagram is generated with this module
running with the compound name as parameter or edited in file
python3 plotMEoS.py H2O