Please use this identifier to cite or link to this item: http://archives.univ-biskra.dz/handle/123456789/2505
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dc.contributor.authorO. Mahfoud-
dc.contributor.authorM. Zedayria-
dc.contributor.authorA. Moummi-
dc.contributor.authorN. Moummi-
dc.date.accessioned2014-05-08T05:17:57Z-
dc.date.available2014-05-08T05:17:57Z-
dc.date.issued2014-05-08-
dc.identifier.urihttp://archives.univ-biskra.dz/handle/123456789/2505-
dc.description.abstractThe article presents a numerical simulation on air flow and heat transfer characteristics in solar air collectors mounted with obstacles. Computational Fluid Dynamics, ‘CFD’ based on the finite volume method, SIMPLE algorithm and the turbulence standard (k - ε) model have been implemented. A numerical 2D model of dynamic air vein solar collectors with 1400 mm length and 25 mm air gap was used to evaluate hydrodynamic and heat transfer phenomena of flow patterns in the annular passageways, precisely the heat transfer around 13 chicanes. The chicane is formed with two parts : the first is perpendicular to the air flow and the second is titled (α = 60°), they are mounted in successive rows, oriented perpendicular to the air flow. It is apparent that the turbulence created by the chicanes resulting in greater increase in heat transfer over the air vein. The pressure drops are analyzed vs. the Reynolds number and shown good agreements with experimental and semi-empirical relationship results. The mass flow rates effect on the velocity magnitude is analyzed. It was found that the mass flow rate variation has a slight effect on velocity evolution. Link http://www.cder.dz/spip.php?article909en_US
dc.language.isoenen_US
dc.subjectCapteur solaire à air - Chicanes - Transfert de chaleur - Contrôle de l’écoulement - CFD.en_US
dc.titleNumerical 2D study of air flow controlled by active technique in solar air collectorsen_US
dc.typeArticleen_US
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