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Use este identificador para citar ou linkar para este item: https://ri.ufs.br/jspui/handle/riufs/24171
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dc.contributor.authorCunha, Acto de Lima-
dc.contributor.authorSouza, Josedite Saraiva de-
dc.contributor.authorFarias Neto, Severino Rodrigues de-
dc.contributor.authorLima, Gilson Barbosa de-
dc.contributor.authorBarbosa, Enivaldo Santos-
dc.date.accessioned2026-01-09T17:30:06Z-
dc.date.available2026-01-09T17:30:06Z-
dc.date.issued2014-
dc.identifier.citationCUNHA, A. L. et al. Separation process by porous membranes: a numerical investigation. Advances in Mechanical Engineering, London, v. 6, 2014. Disponível em: https://journals.sagepub.com/doi/epub/10.1155/2014/469693. Acesso em: 9 jan. 2026.pt_BR
dc.identifier.issn1687-8140-
dc.identifier.urihttps://ri.ufs.br/jspui/handle/riufs/24171-
dc.languageengpt_BR
dc.publisherSAGE Publications Ltdpt_BR
dc.relation.ispartofAdvances in Mechanical Engineeringpt_BR
dc.subjectMembrane separation processeng
dc.subjectPorous membraneseng
dc.subjectNavier-Stokes equationeng
dc.subjectPolarization boundary layereng
dc.titleSeparation process by porous membranes: a numerical investigationpt_BR
dc.typeArtigopt_BR
dc.identifier.licenseCreative Commons Atribuição 3.0 Não Adaptada (CC BY 3.0)pt_BR
dc.description.resumoA major problem associated with the membrane separation processes is the permeate flux drop, limiting the widespread of industrial application of this process. This occurs due to the accumulation of solute concentration near the membrane surface. An exact quantification of the concentration polarization as a function of process conditions is essential to estimate the system performance satisfactorily. In this sense, this work aims to predict the behavior of the concentration polarization boundary layer along the length of a permeable tubular membrane, over various operation conditions. The numerical solution of the Navier-Stokes equation, coupled to Darcy's and mass transfer equations, is obtained by the commercial software ANSYS CFX 12, considering a two-dimensional computational domain. The study evaluates the effects of axial Reynolds and Schmidt numbers on the concentration polarization boundary layer thickness during the cross-flow filtration process. Numerical results have shown that the mathematical model is able to predict the formation and growth of the concentration polarization boundary layer along the length of the tubular membrane.pt_BR
dc.description.localLondonpt_BR
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