lib.mEoS.R245fa¶
Fluid info¶
CAS Number: 460-73-1
Formula: CF3CH2CHF2
Synonym: R245fa
Molecular weigth: 134.04794 g/mol
Tc: 427.0100 K
Pc: 3.6510 MPa
ρc: 519.4358 kg/m³
Tt: 170.0000 K
Tb: 288.1980 K
Acentric factor: 0.3783
Dipole moment: 1.5490 Debye
Equation of state¶
Akasaka, R.; Zhou, Y.; Lemmon, E.W.; Fundamental Equation of State for 1,1,1,3,3-Pentafluoropropane (R-245fa). J. Phys. Chem. Ref. Data 44(1) (2015) 013104, http://dx.doi.org/10.1063/1.4913493
Lemmon, E.W., Span, R.; Short Fundamental Equations of State for 20 Industrial Fluids. J. Chem. Eng. Data, 2006, 51 (3), pp 785–850, http://dx.doi.org/10.1021/je050186n
Viscosity¶
Perkins, R.A., Huber, M.L., Assael, M.J.; Measurements of the Thermal Conductivity of 1,1,1,3,3-Pentafluoropropane (R245fa) and Correlations for the Viscosity and Thermal Condutivity Surfaces. J. Chem. Eng. Data 61(9) (2016) 3286-3294, http://dx.doi.org/10.1021/acs.jced.6b00350
Huber, M.L., Laesecke, A., Perkins, R.A.; Model for the Viscosity and Thermal Conductivity of Refrigerants, Including a New Correlation for the Viscosity of R134a. Ind. Eng. Chem. Res., 42(13) (2003) 3163-3178, http://dx.doi.org/10.1021/ie0300880
Thermal Conductivity¶
Perkins, R.A., Huber, M.L., Assael, M.J.; Measurements of the Thermal Conductivity of 1,1,1,3,3-Pentafluoropropane (R245fa) and Correlations for the Viscosity and Thermal Condutivity Surfaces. J. Chem. Eng. Data 61(9) (2016) 3286-3294, http://dx.doi.org/10.1021/acs.jced.6b00350
Huber, M.L., Laesecke, A., Perkins, R.A.; Model for the Viscosity and Thermal Conductivity of Refrigerants, Including a New Correlation for the Viscosity of R134a. Ind. Eng. Chem. Res., 42(13) (2003) 3163-3178, http://dx.doi.org/10.1021/ie0300880
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 R245fa