lib.mEoS.R12

Fluid info

  • CAS Number: 75-69-4

  • Formula: CCl2F2

  • Synonym: R12

  • Molecular weigth: 120.913 g/mol

  • Tc: 385.1200 K

  • Pc: 4.1361 MPa

  • ρc: 565.0000 kg/m³

  • Tt: 116.0990 K

  • Tb: 243.3980 K

  • Acentric factor: 0.17948

  • Dipole moment: 0.5100 Debye

Equation of state

  • Marx, V., Pruss, A., Wagner, W.; Neue Zustandsgleichungen fuer R 12, R 22, R 11 und R 113. Beschreibung des thermodynamishchen Zustandsverhaltens bei Temperaturen bis 525 K und Druecken bis 200 MPa. Düsseldorf: VDI Verlag, Series 19 (Waermetechnik/Kaeltetechnik), No. 57, 1992.

  • Span, R., Wagner, W.; Equations of State for Technical Applications. III. Results for Polar Fluids. Int. J. Thermophys., 24(1) (2003) 111-162, http://dx.doi.org/10.1023/A:1022362231796

Viscosity

  • Klein, S.A., McLinden, M.O., Laesecke, A.; An improved extended corresponding states method for estimation of viscosity of pure refrigerants and mixtures. Int. J. Refrig. 20(3) (1997) 208-217, http://dx.doi.org/10.1016/s0140-7007(96)00073-4

Thermal Conductivity

  • Krauss, R., Stephan, K.; Thermal Conductivity of Refrigerants in a Wide Range of Temperature and Pressure. J. Phys. Chem. Ref. Data 18(1) (1989) 43-76, http://dx.doi.org/10.1063/1.555842

  • Klein, S.A., McLinden, M.O., Laesecke, A.; An improved extended corresponding states method for estimation of viscosity of pure refrigerants and mixtures. Int. J. Refrig. 20(3) (1997) 208-217, http://dx.doi.org/10.1016/s0140-7007(96)00073-4

Calculation example

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

_images/R12.png

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

python3 plotMEoS.py R12