R143a

References

Equation of State

Eric W. Lemmon and Richard T. Jacobsen. An International Standard Formulation for the Thermodynamic Properties of 1,1,1-Trifluoroethane (HFC-143a) for Temperatures From 161 to 450 K and Pressures to 50 MPa. J. Phys. Chem. Ref. Data, 29(4):521–552, 2000. doi:10.1063/1.1318909.

Thermal Conductivity

Mark O. McLinden, Sanford A. Klein, and Richard A. Perkins. An extended corresponding states model for the thermal conductivity of refrigerants and refrigerant mixtures. Int. J. Refrig., 23:43–63, 2000. doi:10.1016/S0140-7007(99)00024-9.

Viscosity

S.A. Klein, M.O. McLinden, and A. Laesecke. An improved extended corresponding states method for estimation of viscosity of pure refrigerants and mixtures. Int. J. Refrig., 20:208–217, 1997. doi:10.1016/S0140-7007(96)00073-4.

Surface Tension

A. Mulero and I. Cachadiña. Recommended Correlations for the Surface Tension of Several Fluids Included in the REFPROP Program. J. Phys. Chem. Ref. Data, 43:023104–1:8, 2014. doi:10.1063/1.4878755.

Aliases

R143A

Fluid Information

Parameter, Value  
General  
Molar mass [kg/mol] 0.084041
CAS number 420-46-2
ASHRAE class A2
Formula \(C_{2}F_{3}H_{3}\)
Acentric factor 0.261489646224
InChI InChI=1/C2H3F3/c1-2(3,4)5/h1H3
InChIKey UJPMYEOUBPIPHQ-UHFFFAOYAD
SMILES CC(F)(F)F
ChemSpider ID 9484
2D image http://www.chemspider.com/ImagesHandler.ashx?id=9484
Limits  
Maximum temperature [K] 650.0
Maximum pressure [Pa] 150000000.0
Triple point  
Triple point temperature [K] 161.34
Triple point pressure [Pa] 1074.94544245
Critical point  
Critical point temperature [K] 345.857
Critical point density [kg/m3] 431.00006645
Critical point density [mol/m3] 5128.45
Critical point pressure [Pa] 3761000.0
   

REFPROP Validation Data

Note

This figure compares the results generated from CoolProp and those generated from REFPROP. They are all results obtained in the form \(Y(T,\rho)\), where \(Y\) is the parameter of interest and which for all EOS is a direct evaluation of the EOS

You can download the script that generated the following figure here: (link to script), right-click the link and then save as... or the equivalent in your browser. You can also download this figure as a PDF.

../../_images/R143a.png

Consistency Plots

The following figure shows all the flash routines that are available for this fluid. A red + is a failure of the flash routine, a black dot is a success. Hopefully you will only see black dots. The red curve is the maximum temperature curve, and the blue curve is the melting line if one is available for the fluid.

In this figure, we start off with a state point given by T,P and then we calculate each of the other possible output pairs in turn, and then try to re-calculate T,P from the new input pair. If we don’t arrive back at the original T,P values, there is a problem in the flash routine in CoolProp. For more information on how these figures were generated, see CoolProp.Plots.ConsistencyPlots

Note

You can download the script that generated the following figure here: (link to script), right-click the link and then save as... or the equivalent in your browser. You can also download this figure as a PDF.

../../_images/R143a1.png