Commit dbf2b5c0 authored by Beatrix Becker's avatar Beatrix Becker
Browse files

add missing gasThermalConductivity to component air, reviewed by Gabi


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@15004 2fb0f335-1f38-0410-981e-8018bf24f1b0
parent bd539a50
......@@ -241,6 +241,20 @@ public:
return c_p;
}
/*!
* \brief Thermal conductivity \f$\mathrm{[[W/(m*K)]}\f$ of air.
* Isobaric Properties for Nitrogen in: NIST Standard
* see http://webbook.nist.gov/chemistry/fluid/
* evaluated at p=.1 MPa, T=20°C
* Nitrogen: 0.025398
* Oxygen: 0.026105
* lambda_air is approximately 0.78*lambda_N2+0.22*lambda_O2
*/
static Scalar gasThermalConductivity(Scalar temperature, Scalar pressure)
{
return 0.0255535; // conductivity of pure air [W/(m K)]
}
};
} // end namespace
......
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