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NUMERICAL HEAT TRANSFER DURING HERSCHEL-BULKLEY FLUID NATURAL CONVECTION BY CVFEM

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dc.creatorCARLOS HERNÁN SALINAS LIRA
dc.date2018
dc.date.accessioned2025-01-10T15:03:30Z
dc.date.available2025-01-10T15:03:30Z
dc.date.issued2018
dc.description.abstractNUMERICAL PREDICTION OF HEAT TRANSFER BY NATURAL CONVECTION OF A HERSCHEL-BULKLEY NON-NEWTONIAN FLUID INSIDE A SQUARE CAVITY HAS BEEN COMPUTATIONALLY ANALYZED. UNSTEADY 2D FLUID MECHANICS AND HEAT TRANSFER WERE DESCRIBED IN TERMS OF THE NON-LINEAR COUPLED CONTINUITY, MOMENTUM AND HEAT EQUATIONS. THESE EQUATIONS WERE SOLVED BY THE CONTROL VOLUME FINITE ELEMENT METHOD (CVFEM) WITH GAUSS-SEIDEL/ SYSTEM OVER-RELAXATION COUPLING ALGORITHM. THE EFFECT OF THE RA, PR, BN AND THE RHEOLOGICAL BEHAVIOR INDEX (N) ON THE NON-NEWTONIAN FLUID THERMAL AND MOMENTUM BEHAVIOR WERE STUDIED. THE NON-NEWTONIAN FLUID FLOW WAS DESCRIBED BY THE RHEOLOGICAL MODEL OF HERSCHEL-BULKLEY. RESULTS FOR THE STREAMLINES AND ISOTHERMS ALONG THE ENCLOSURE WALLS ARE PRESENTED. IT WAS FOUND THAT THE EFFECT OF THE PR AND BN IS MORE IMPORTANT WHEN THE RA IS LOWER (10(3)). IN ADDITION, THE BEHAVIOR INDEX HAD A SIGNIFICANT EFFECT ON THE CPU TIME FOR THE DIFFERENT STUDIED CASES.
dc.formatapplication/pdf
dc.identifier.doi10.18280/ijht.360221
dc.identifier.issn0392-8467
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/10215
dc.languagespa
dc.publisherINTERNATIONAL JOURNAL OF HEAT AND TECHNOLOGY
dc.relation.uri10.18280/ijht.360221
dc.rightsPUBLICADA
dc.titleNUMERICAL HEAT TRANSFER DURING HERSCHEL-BULKLEY FLUID NATURAL CONVECTION BY CVFEM
dc.title.alternativeTRANSFERENCIA NUMÉRICA DE CALOR DURANTE LA CONVECCIÓN NATURAL DEL FLUIDO HERSCHEL-BULKLEY POR CVFEM
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionDEPARTAMENTO DE INGENIERIA MECANICA
ubb.SedeCONCEPCIÓN
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