Weakly Nonlinear Convection in a Porous Layer with Multiple Horizontal Partitions

D.A.S. Rees, Andrew Bassom, G. Genç

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    We consider convection in a horizontally uniform fluid-saturated porous layer which is heated from below and which is split into a number of identical sublayers by impermeable and infinitesimally thin horizontal partitions. Rees and Genç (Int J Heat Mass Transfer 54:3081-3089, 2010) determined the onset criterion by means of a detailed analytical and numerical study of the corresponding dispersion relation and showed that this layered system behaves like the single-sublayer constant-heat-flux Darcy-Bénard problem when the number of sublayers becomes large. The aim of the present work is to use a weakly nonlinear analysis to determine whether the layered system also shares the property of the single-sublayer constant-heat-flux Darcy-Bénard problem by having square cells, as opposed to rolls, as the preferred planform for convection. © 2014 Springer Science+Business Media Dordrecht.
    Original languageEnglish
    Pages (from-to)437-448
    JournalTransport in Porous Media
    Volume103
    Issue number3
    DOIs
    Publication statusPublished - 2014

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