functionregion_ph
return the current region (valid values: 1,2,3,4,5) in IF97 for given pressure and specific enthalpy
Extends from Modelica.Icons.Function (Icon for functions).
Information
## Copyright © EDF 2002 - 2025 ## ThermoSysPro Version 4.2
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Units.SI.Pressure | p | pressure | |
| Units.SI.SpecificEnthalpy | h | specific enthalpy | |
| Integer | phase | 0 | phase: 2 for two-phase, 1 for one phase, 0 if not known |
| Integer | mode | 0 | mode: 0 means check, otherwise assume region=mode |
Outputs
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | region | region (valid values: 1,2,3,4,5) in IF97 |