functionsaturationPressure

Saturation curve valid for 223.16 <= T <= 373.16 (and slightly outside with less accuracy)

Extends from Modelica.Icons.Function (Icon for functions).

Information

Saturation pressure of water, computed from temperature, according to Wagner et al. (1993). The range of validity is between 190 and 373.16 Kelvin.

References

Wagner W., A. Saul, A. Pruss. International equations for the pressure along the melting and along the sublimation curve of ordinary water substance, equation 3.5. 1993. http://aip.scitation.org/doi/pdf/10.1063/1.555947?class=pdf.

Inputs

TypeNameDefaultDescription
Modelica.Units.SI.TemperatureTSatSaturation temperature

Outputs

TypeNameDefaultDescription
Modelica.Units.SI.AbsolutePressurepSatSaturation pressure

Revisions

  • March 15, 2016, by Michael Wetter:
    Replaced spliceFunction with regStep. This is for issue 300.
  • August 19, 2015 by Michael Wetter:
    Changed smoothOrder from 5 to 1 as Buildings.Utilities.Math.Functions.spliceFunction is only once continuously differentiable. Inlined the function.
  • November 20, 2013 by Michael Wetter:
    First implementation, moved from Buildings.Media.