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: .. image:: images/R152a.png The diagram is generated with :download:`this module <../.script/plotMEoS.py>` running with the compound name as parameter or edited in file .. code-block:: bash python3 plotMEoS.py R152a