PhaseBoundaryProperties

record PhaseBoundaryProperties "Thermodynamic base properties on the phase boundary"
    extends Modelica.Icons.Record;

    SI.Density d "Density";
    SI.SpecificEnthalpy h "Specific enthalpy";
    SI.SpecificEnergy u "Inner energy";
    SI.SpecificEntropy s "Specific entropy";
    SI.SpecificHeatCapacity cp "Heat capacity at constant pressure";
    SI.SpecificHeatCapacity cv "Heat capacity at constant volume";
    DerPressureByTemperature pt "Derivative of pressure w.r.t. temperature";
    DerPressureByDensity pd "Derivative of pressure w.r.t. density";
end PhaseBoundaryProperties;