.ThermoSysPro.Properties.WaterSteam.Region.drhovl_dp_der

Interface

function drhovl_dp_der
  extends Modelica.Icons.Function;
  input Units.SI.Pressure p "saturation pressure";
  input ThermoSysPro.Properties.WaterSteam.Common.IF97PhaseBoundaryProperties3rd bpro "property record";
  input Real p_der "Time derivative of pressure";
  output Real dd_dp_der "derivative of density along the phase boundary";
end drhovl_dp_der;