AixLib.DataBase.CHP.ModularCHPEngineMedia.CHPCombustionMixtureGasNasa.isentropicEnthalpyApproximation

# .AixLib.DataBase.CHP.ModularCHPEngineMedia.CHPCombustionMixtureGasNasa.isentropicEnthalpyApproximation

Approximate method of calculating h_is from upstream properties and downstream pressure

#### Interface

>     function isentropicEnthalpyApproximation
>       extends Modelica.Icons.Function;
>       input AbsolutePressure p2 "Downstream pressure";
>       input ThermodynamicState state "Thermodynamic state at upstream location";
>       output SpecificEnthalpy h_is "Isentropic enthalpy";
>     end isentropicEnthalpyApproximation;

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