functiondensity_TX_a

Return density

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

Information

Function to return the mass density for specified glycol mass fraction and temperature.

This function returns the mass density by calling the functions in Buildings.Media.Antifreeze.Functions. For water, the input argument X_a is not used. For glycol, set it to the mass fraction of glycol.

Inputs

TypeNameDefaultDescription
Buildings.Fluid.DataCenterEquipment.CDUs.Types.MediamediumMedium type
Modelica.Units.SI.MassFractionX_aGlycol mass fraction
Modelica.Units.SI.TemperatureTTemperature at which properties are evaluated

Outputs

TypeNameDefaultDescription
Modelica.Units.SI.DensitydPrandtl number

Revisions

  • July 8, 2026, by Michael Wetter:
    First implementation.