Interface for components that have a gas state.  
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| template<class C = Component> | 
| static constexpr bool | gasIsCompressible () | 
|  | Returns true if the gas phase is assumed to be compressible. 
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| template<class C = Component> | 
| static constexpr bool | gasViscosityIsConstant () | 
|  | Returns true if the gas phase viscostiy is constant. 
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| template<class C = Component> | 
| static constexpr bool | gasIsIdeal () | 
|  | Returns true if the gas phase is assumed to be ideal. 
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| template<class C = Component> | 
| static Scalar | gasDensity (Scalar temperature, Scalar pressure) | 
|  | The density in \(\mathrm{[kg/m^3]}\) of the component at a given pressure in \(\mathrm{[Pa]}\) and temperature in \(\mathrm{[K]}\). 
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| template<class C = Component> | 
| static Scalar | gasMolarDensity (Scalar temperature, Scalar pressure) | 
|  | The molar density in \(\mathrm{[mol/m^3]}\) of the component at a given pressure in \(\mathrm{[Pa]}\) and temperature in \(\mathrm{[K]}\). 
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| template<class C = Component> | 
| static const Scalar | gasEnthalpy (Scalar temperature, Scalar pressure) | 
|  | Specific enthalpy \(\mathrm{[J/kg]}\) of the pure component in gas. 
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| template<class C = Component> | 
| static const Scalar | gasInternalEnergy (Scalar temperature, Scalar pressure) | 
|  | Specific internal energy \(\mathrm{[J/kg]}\) of the pure component in gas. 
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| template<class C = Component> | 
| static Scalar | gasViscosity (Scalar temperature, Scalar pressure) | 
|  | The dynamic viscosity \(\mathrm{[Pa*s]}\) of the pure component at a given pressure in \(\mathrm{[Pa]}\) and temperature in \(\mathrm{[K]}\). 
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| template<class C = Component> | 
| static Scalar | gasThermalConductivity (Scalar temperature, Scalar pressure) | 
|  | Thermal conductivity of the component \(\mathrm{[W/(m*K)]}\) as a gas. 
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| template<class C = Component> | 
| static Scalar | gasHeatCapacity (Scalar temperature, Scalar pressure) | 
|  | Specific isobaric heat capacity of the component \(\mathrm{[J/(kg*K)]}\) as a gas. 
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