Under Working Fluid, you select the fluids for use in the domain.
Fluid(s)
If Analysis Type is set to
Single Phase, you may select only one fluid for the domain. IfMulti-Phasewas chosen, you may select at least two fluids.Mixture
If you are defining a multi-component simulation, you must provide a name for your custom material, which is defined by the fluids specified under Components.
Components
Select the fluids you plan to use in the simulation from this drop-down menu. At least two fluids are required.