Dynamic viscosity eta(d,T,p), industrial formulation
function visc_dTp extends Modelica.Icons.Function; input SI.Density d "Density"; input SI.Temperature T "Temperature (K)"; input SI.Pressure p "Pressure (only needed for region of validity)"; input Integer phase = 0 "2 for two-phase, 1 for one-phase, 0 if not known (unused)"; input Boolean checkLimits = true "Check if inputs d,T,P are in region of validity"; output SI.DynamicViscosity eta "Dynamic viscosity"; end visc_dTp;