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Início Arquivos Representantes Futuras reuniões

ISSN On-line: 2688-7231

ISBN On-line: 978-1-56700-524-0

Proceedings of the 26thNational and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India
December, 17-20, 2021, IIT Madras, Chennai, India

Hybrid Nanofluid Based MHD Thermogravitational Convection in a Porous Cavity Heated Linearly

Get access DOI: 10.1615/IHMTC-2021.860
pages 569-575

Resumo

A narrative loom in the effects of an externally imposed magnetic field, thermal aspect ratio on the fluid flow, and heat transfer of Cu/Al2O3-water hybrid nanofluid saturated porous enclosure is lucidly presented in this study. The problem domain is linearly heated at both vertical walls based on various thermal aspect ratios (α) and cooled at the top. The Brinkman-Forchheimer-Darcy Model (BFDM) is integrated for the porous structure modeling. The FVM is implemented for developing in-house computing code and the same is utilized for solving the coupled transport equations. The study is conducted under the effect of various pertinent parameters like modified Rayleigh number (Ram), the permeability of the porous matrix (by Darcy number, Da), the strength of magnetic field (by Hartmann number, Ha), hybrid nanofluid volume fraction (χ). The temperature profile, fluid flow, heat flux visualization of these cases are scrutinized methodically and demonstrated by means of streamlines, isotherms, and heatlines contour and heat transport characteristics assessment. This transfer rate is superior at higher Ram with the increasing thermal aspect ratio (α). Hybrid nanoparticles inclusion and also increase of Da, Ha value apparently lessens average Nusselt (Nu) value. The value of 'α' significantly modulates the thermo-fluid phenomena.
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