.ThermoSysPro.Properties.WaterSteam.BaseIF97.Regions.region_ph

Information

return the current region (valid values: 1,2,3,4,5) in IF97 for given pressure and specific enthalpy

Interface

function region_ph
  extends Modelica.Icons.Function;
  input Units.SI.Pressure p "pressure";
  input Units.SI.SpecificEnthalpy h "specific enthalpy";
  input Integer phase = 0 "phase: 2 for two-phase, 1 for one phase, 0 if not known";
  input Integer mode = 0 "mode: 0 means check, otherwise assume region=mode";
  output Integer region "region (valid values: 1,2,3,4,5) in IF97";
end region_ph;