BuildSysPro.IBPSA.Media.Refrigerants.R410A.specificVolumeVap_pT

# .BuildSysPro.IBPSA.Media.Refrigerants.R410A.specificVolumeVap_pT

Function that calculates the specific volume R410A vapor based on pressure and temperature

## Information

Function that calculates the specific volume R410A vapor based on pressure and temperature. The specific volume is evaluated iteratively by succesive evaluations of the vapor pressure.

The initial guess is estimated by the first term in the Martin-Hou equation of state.

#### References

Thermodynamic properties of DuPont Suva 410A: https://www.chemours.com/Refrigerants/en_US/assets/downloads/h64423_Suva410A_thermo_prop_si.pdf

#### Interface

>     function specificVolumeVap_pT
>       input Modelica.Units.SI.AbsolutePressure p "Pressure of refrigerant vapor";
>       input Modelica.Units.SI.Temperature T "Temperature of refrigerant";
>       output Modelica.Units.SI.SpecificVolume v "Specific volume of refrigerant";
>     end specificVolumeVap_pT;

## Revisions

- November 8, 2020, by Michael Wetter:
  Removed non-used parameters.
  This is for #1414.
- October 17, 2016, by Massimo Cimmino:
  First implementation.

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