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dc.contributor.authorAl-Srayyih, BM-
dc.contributor.authorGao, S-
dc.contributor.authorHussain, SH-
dc.identifier.citationAdvanced Powder Technology, 2019, 30 (1), pp. 55-72en
dc.descriptionThe file associated with this record is under embargo until 12 months after publication, in accordance with the publisher's self-archiving policy. The full text may be available through the publisher links provided above.en
dc.description.abstractThe effect of a linearly heated left sidewall on natural convection flows in a cavity filled with nanofluid-superposed porous layers is investigated numerically using the Galerkin finite element method. Two cases, which use the vertical and horizontal directions for the porous–nanofluid layers, are considered to investigate the natural convection in the flow inside a square enclosure. In both cases, the left wall is linearly heated, whereas the right wall is isothermally cooled. The horizontal walls are assumed to be thermally insulated. The Darcy–Brinkmann model is used to solve the governing equations in the porous layer. The results show that the nanofluid produces more enhancement of heat transfer compared to the base fluid. Increasing the Rayleigh number (Ra) values caused the intensity of the streamlines in case 2 to be stronger than that in case 1. Lower values of the thermal conductivity ratio (Kr) imply greater heat transfer enhancement than for the high thermal conductivity ratios. At the low values of the thermal conductivity ratio (Kr<1) and Darcy number values (Da < 10-3), the heat transfer is more enhanced for case 2 compared to case 1 while higher Darcy number produced case 1 overcome case 2.en
dc.description.sponsorshipThis study was financially supported by the Iraqi Ministry of Higher Education and Scientific Research and the Babylon University.en
dc.rightsCopyright © 2018, The Society of Powder Technology Japan. After an embargo period this version of the paper will be an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License (, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.en
dc.titleEffects of linearly heated left wall on natural convection within a superposed cavity filled with composite nanofluid-porous layersen
dc.typeJournal Articleen
dc.type.subtypeJournal Article-
pubs.organisational-group/Organisation/COLLEGE OF SCIENCE AND ENGINEERINGen
pubs.organisational-group/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Engineeringen
Appears in Collections:Published Articles, Dept. of Engineering

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