Abstract
The transport phenomena in a multiphase solid matrix packed-bed heat exchanger are modelled with the help of the continuum theory of mixtures, a specific tool for multiphase phenomena, which allows a thermodynamically consistent local description. The mixture consists of n + 1 ( n rigid solids and an incompressible fluid) overlapping continuous constituents, whose thermodynamical interaction is ensured by momentum and energy generation terms. An iterative procedure is used to simulate the forced convection in a counter-flow heat exchanger allowing the fluid constituent inlet temperature to be the only boundary condition prescribed in the flow direction. Numerical results considering a two-phase solid matrix are presented for some cases of interest.
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