Water properties in region 4 as function of d and T
function waterR4_dT import ThermoSysPro; extends Modelica.Icons.Function; input Units.SI.Density d "Density"; input Units.SI.Temperature T "temperature"; output ThermoSysPro.Properties.WaterSteam.Common.ThermoProperties_dT pro "thermodynamic property collection"; end waterR4_dT;