Enhanced Efficiency of MHD-Driven Double-Diffusive Natural Convection in Ternary Hybrid Nanofluid-Filled Quadrantal Enclosure: A Numerical Study

Saleh Mousa Alzahrani () and Talal Ali Alzahrani
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Saleh Mousa Alzahrani: Department of Mathematics, University College in Al-Qunfudhah, Umm Al-Qura University, Al-Qunfudhah 28821, Saudi Arabia
Talal Ali Alzahrani: Department of Mathematics, University College in Al-Qunfudhah, Umm Al-Qura University, Al-Qunfudhah 28821, Saudi Arabia

Mathematics, 2024, vol. 12, issue 10, 1-18

Abstract: The study investigates the performance of fluid flow, thermal, and mass transport within a cavity, highlighting its application in various engineering sectors like nuclear reactors and solar collectors. Currently, the focus is on enhancing heat and mass transfer through the use of ternary hybrid nanofluid. Motivated by this, our research delves into the efficiency of double-diffusive natural convective (DDNC) flow, heat, and mass transfer of a ternary hybrid nanosuspension (a mixture of Cu-CuO-Al 2 O 3 in water) in a quadrantal enclosure. The enclosure’s lower wall is set to high temperatures and concentrations ( T h and C h ), while the vertical wall is kept at lower levels ( T c and C c ). The curved wall is thermally insulated, with no temperature or concentration gradients. We utilize the finite element method, a distinguished numerical approach, to solve the dimensionless partial differential equations governing the system. Our analysis examines the effects of nanoparticle volume fraction, Rayleigh number, Hartmann number, and Lewis number on flow and thermal patterns, assessed through Nusselt and Sherwood numbers using streamlines, isotherms, isoconcentration, and other appropriate representations. The results show that ternary hybrid nanofluid outperforms both nanofluid and hybrid nanofluid, exhibiting a more substantial enhancement in heat transfer efficiency with increasing volume concentration of nanoparticles.

Keywords: magnetized ternary hybrid nanofluid; DDNC; quadrantal enclosure; heat/and mass transfer; FEM (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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