.Buildings.Media.Antifreeze.Functions.PropyleneGlycolWater.density_TX_a

Information

Density of propylene antifreeze-water mixture at specified mass fraction and temperature, based on Melinder (2010).

References

Melinder, Åke. 2010. Properties of Secondary Working Fluids (Secondary Refrigerants or Coolants, Heat Transfer Fluids) for Indirect Systems. Paris: IIR/IIF.

Interface

function density_TX_a
  extends Modelica.Icons.Function;
  input Modelica.Units.SI.Temperature T "Temperature of antifreeze-water mixture";
  input Modelica.Units.SI.MassFraction X_a "Mass fraction of antifreeze";
  output Modelica.Units.SI.Density d "Density of antifreeze-water mixture";
end density_TX_a;

Revisions

• May 2, 2018 by Massimo Cimmino:
  First implementation. This function is used by Buildings.Media.Antifreeze.PropyleneGlycolWater.