functionhvl_dp_der
derivative function for the specific enthalpy along the phase boundary
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 | |
| ThermoSysPro.Properties.WaterSteam.Common.IF97PhaseBoundaryProperties3rd | bpro | property record | |
| Real | p_der | Pressure derivative |
Outputs
| Type | Name | Default | Description |
|---|---|---|---|
| Real | dh_dp_der | Second derivative of specific enthalpy along the phase boundary |