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The non-isothermal transport during flow in porous media is studied for   single- and dualscale porous media. A new combined experimental/numerical   approach to estimating the thermal dispersion tensor is introduced and   applied for both isotropic (single-scale) and anisotropic (dualscale) porous   media. The equivalence between the heat and mass transfer is exploited and a   1-D flow experimental setup is employed to study the spreading of a dye.   Later, the mathematical model for such a spreading of concentration   (equivalent to the temperature) around a point input in a constant velocity   field is solved using the finite element based code COMSOL. Thus obtained   numerical spreading pattern is fitted onto the experimentally observed one   using the dispersion matrix (tensor) as a fitting parameter. A few cases of   single- and dual-scale porous media are studied and the dispersion tensors   are reported for each individual case. In one case, the results are validated   with the available experimental data in the literature which shows a good   match

A combined experimental/numerical approach to study the thermal dispersion in porous media flows