.ThermoSysPro.Properties.WaterSteam.BaseIF97.Regions.region_ps

Information

## Copyright © EDF 2002 - 2025

## ThermoSysPro Version 4.2

        

Interface

function region_ps
  extends Modelica.Icons.Function;
  input Units.SI.Pressure p "pressure";
  input Units.SI.SpecificEntropy s "specific entropy";
  input Integer phase = 0 "phase: 2 for two-phase, 1 for one phase, 0 if unknown";
  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_ps;