lib.mEoS.R152a

Fluid info

  • CAS Number: 75-37-6

  • Formula: CHF2CH3

  • Synonym: R152a

  • Molecular weigth: 66.051 g/mol

  • Tc: 386.4110 K

  • Pc: 4.5168 MPa

  • ρc: 368.0000 kg/m³

  • Tt: 154.5600 K

  • Tb: 249.1270 K

  • Acentric factor: 0.27521

  • Dipole moment: 2.2620 Debye

Equation of state

  • Outcalt, S.L., McLinden, M.O.; A modified Benedict-Webb-Rubin Equation of State for the Thermodynamic Properties of R152a (1,1-difluoroethane). J. Phys. Chem. Ref. Data 25(2) (1996) 605-636, http://dx.doi.org/10.1063/1.555979

  • Outcalt, S.L., McLinden, M.O.; A modified Benedict-Webb-Rubin Equation of State for the Thermodynamic Properties of R152a (1,1-difluoroethane). J. Phys. Chem. Ref. Data 25(2) (1996) 605-636, http://dx.doi.org/10.1063/1.555979

  • Kim, Y., Borgnakke, C., Sonntag, R.E.; Equation of State for 1,1-difluoroethane (R152a). Int. J. Energy Res 21(7) (1997) 575-589, http://dx.doi.org/10.1002/(sici)1099-114x(19970610)21:7<575::aid-er272>3.0.co;2-f

  • Tillner-Roth, R.; A Fundamental Equation of State for 1,1-Difluoroethane (HFC-152a). Int. J. Thermophys., 16(1) (1995) 91-100, http://dx.doi.org/10.1007/BF01438960

  • 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

  • Astina, I.M., Sato, H.; A Rigorous Thermodynamic Property Model for Fluid-Phase 1,1-Difluoroethane (R-152a). Int. J. Thermophys., 25(6) (2004) 1713-1733, http://dx.doi.org/10.1007/s10765-004-7731-8

Viscosity

  • Krauss, R., Weiss, V.C., Edison, T.A., Sengers, J.V., Stephan, K.; Transport Properties of 1,1-Difluoroethane (R152a). Int. J. Thermophysics 17:731-757, 1996., http://dx.doi.org/10.1007/BF01439187

Thermal Conductivity

  • Krauss, R., Weiss, V.C., Edison, T.A., Sengers, J.V., Stephan, K.; Transport Properties of 1,1-Difluoroethane (R152a). Int. J. Thermophysics 17:731-757, 1996., http://dx.doi.org/10.1007/BF01439187

Calculation example

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

_images/R152a.png

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

python3 plotMEoS.py R152a