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Effect of the curvature angle in a conduit with an adiabatic cylinder over a backward facing step on the magnetohydrodynamic behaviour in the presence of a nanofluidDerbal, Djamila ...A backward facing duct are present in various industrial applications especially those focused on heat transfer. The flow through a curved backward facing duct especially in the presence of nanofluid ... presents complexities compared to a straight backward facing step (BFS) duct. Therefore, the present numerical study deals a nanofluid flow (Fe3O4-H2O) forced convection in a curved backward facing duct. The objective of this investigation is to visualize at different curvature angles g (0°, 30°, 45°, 60°, 90°) imposed on the top wall of the duct, the effect of Hartmann number Ha (0, 50, 100), magnetic field inclination angle γ (0°, 60°, 90°), Reynolds number Re (10, 100, 200) and nanoparticle volume fraction φ (0 %, 0.05 %, 0.1 %). The dimensionless governing equations are solved using the multigrid finite element method. The results showed that the heat transfer was enhanced at the curved angle g = 90° for large Hartman numbers, thus, the average Nusselt number increased with a ratio of 240.74 % in the case of Hartmann number (Ha = 100).Source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 69, no. 3/4, Mar./Apr. 2023, str. 135-154)Type of material - article, component part ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 148427267
Author
Derbal, Djamila |
Bouzit, Mohamed |
Mokhefi, Abderrahim |
Bouzit, Fayçal
Topics
forced convection |
backward-facing step |
curved conduit |
fixed cylinder |
ferrofluid |
finite element method |
magnetohydrodynamic |
prisilna konvekcija |
nazaj obrnjen korak |
ukrivljen kanal |
nepremični valj |
ferrofluid |
metoda končnih elementov |
magnetohidrodinamika
source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 69, no. 3/4, Mar./Apr. 2023, str. 135-154)
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Derbal, Djamila | |
Bouzit, Mohamed | |
Mokhefi, Abderrahim | |
Bouzit, Fayçal |
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