Numerical simulation of density-driven flow and heat transport processes in porous media using the network method
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AuthorCánovas Vidal, Manuel; Alhama Manteca, Iván; García Ros, Gonzalo; Trigueros Tornero, Emilio; Alhama López, Francisco
Knowledge AreaIngeniería del Terreno
SponsorsThe first author acknowledges the support of the Universidad Politécnica de Cartagena through a pre-doctoral scholarship and the economic support of the Universidad Católica del Norte to cover the costs to publish in open access.
PublisherEd. Molecular Diversity Preservation International (MDPI)
Bibliographic CitationCánovas, M., Alhama, I., García, G., Trigueros, E., & Alhama, F. (2017). Numerical simulation of density-driven flow and heat transport processes in porous media using the network method. Energies, 10(9), 1359. doi:10.3390/en10091359
KeywordsDensity driven flow
Density-driven flow and heat transport processes in 2-D porous media scenarios are governed by coupled, non-linear, partial differential equations that normally have to be solved numerically. In the present work, a model based on the network method simulation is designed and applied to simulate these processes, providing steady state patterns that demonstrate its computational power and reliability. The design is relatively simple and needs very few rules. Two applications in which heat is transported by natural convection in confined and saturated media are studied: slender boxes heated from below (a kind of Bénard problem) and partially heated horizontal plates in rectangular domains (the Elder problem). The streamfunction and temperature patterns show that the results are coherent with those of other authors: steady state patterns and heat transfer depend both on the Rayleigh number and on the characteristic Darcy velocity derived from the values of the hydrological, thermal and ...
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