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version 3.9-dev
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version 3.9-dev
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Diffusive heat flux according to non-equilibrium Fourier's law. More...
#include <dumux/flux/fourierslawnonequilibrium_fwd.hh>#include <dumux/flux/cctpfa/fourierslawnonequilibrium.hh>#include <dumux/flux/box/fourierslawnonequilibrium.hh>Go to the source code of this file.
This law is based on the general form of Fourier's law which describes the diffusive heat flux as proportional to a temperature gradient \(\nabla T_\alpha \). In contrast to the general form, a local thermodynamic equilibrium is not assumed. Thus, the heat flux for the different phases \(\alpha \) needs to be solved.
\[ \textbf{j}_{heat,\alpha} = - \lambda_\alpha \; \nabla T_\alpha \]
With \(\lambda_\alpha \) as the thermal conductivity for either a solid, liquid or gaseous phase.
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