.ThermoSysPro.Properties.WaterSteam.BaseIF97.Regions.hvl_p_der

Information

## Copyright © EDF 2002 - 2025

## ThermoSysPro Version 4.2

        

Interface

function hvl_p_der
  extends Modelica.Icons.Function;
  input Units.SI.Pressure p "pressure";
  input ThermoSysPro.Properties.WaterSteam.Common.IF97PhaseBoundaryProperties bpro "property record";
  input Real p_der "derivative of pressure";
  output Real h_der "time derivative of specific enthalpy along the phase boundary";
end hvl_p_der;