functiondynamicViscosity_TX_a
Return dynamic viscosity
Extends from Modelica.Icons.Function (Icon for functions).
Information
Function to return dynamic viscosity for specified glycol mass fraction and temperature.
This function returns the dynamic viscosity 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
| Type | Name | Default | Description |
|---|---|---|---|
| Buildings.Fluid.DataCenterEquipment.CDUs.Types.Media | medium | Medium type | |
| Modelica.Units.SI.MassFraction | X_a | Glycol mass fraction | |
| Modelica.Units.SI.Temperature | T | Temperature at which properties are evaluated |
Outputs
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.DynamicViscosity | eta_default | Dynamic viscosity |
Revisions
-
April 21, 2026, by Michael Wetter:
First implementation.