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      Esquema de discretização Flux-Spline aplicado à secagem, em meio poroso capilar Translated title: Flux-Spline discretization scheme applied to drying in capillary porous media

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          Abstract

          Este trabalho foi desenvolvido com o objetivo de se apresentar a aplicação de um esquema de discretização mais eficiente para volumes finitos, denominado Flux-Spline utilizando-se, para tal, de dois casos de transporte difusivo de umidade e calor, através de um meio poroso capilar. Os resultados da solução numérica do sistema de equações formado pelas equações de Luikov mostram desempenho adequado do esquema para este tipo de problema, quando comparado ao tradicional esquema de diferença central e ao método da transformada integral.

          Translated abstract

          This study was conducted with the objective to present a more efficient discretization scheme to finite volumes method called Flux-Spline, utilising for the purpose two cases of pure diffusion in capillary porous media. The results of numerical simulation of the equations system formed by Luikov equations showed a good performance of the scheme in comparison to the Central Difference Scheme and Generalised Integral Transform Technique method.

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          Most cited references11

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          Numerical Heat Transfer and Fluid Flow

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            Numerical heat transfer and fluid flow

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              Systems of differential equations of heat and mass transfer in capillary-porous bodies (review)

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                rbeaa
                Revista Brasileira de Engenharia Agrícola e Ambiental
                Rev. bras. eng. agríc. ambient.
                Departamento de Engenharia Agrícola - UFCG (Campina Grande )
                1807-1929
                April 2003
                : 7
                : 1
                : 135-140
                Affiliations
                [1 ] Universidade Federal do Espírito Santo Brazil
                Article
                S1415-43662003000100022
                10.1590/S1415-43662003000100022
                50a1e736-1b30-47f8-bb46-3a6775f19903

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1415-4366&lng=en
                Categories
                AGRICULTURAL ENGINEERING
                ENVIRONMENTAL SCIENCES

                Agricultural engineering,General environmental science
                diffusion,Luikov equations,finite volumes,difusão,equações de Luikov,volumes finitos

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