Mechanism of Solute and Thermal Characteristics in a Casson Hybrid Nanofluid Based with Ethylene Glycol Influenced by Soret and Dufour Effects

Muhammad Bilal Hafeez; Wojciech Sumelka; Umar Nazir; Ahmad Hijaz; Sameh Askar

doi:10.3390/en14206818

Mechanism of Solute and Thermal Characteristics in a Casson Hybrid Nanofluid Based with Ethylene Glycol Influenced by Soret and Dufour Effects

Abstract

This article models a system of partial differential equations (PDEs) for the thermal and solute characteristics under gradients (concentration and temperature) in the magnetohydrodynamic flow of Casson liquid in a Darcy porous medium. The modelled problems are highly non-linear with convective boundary conditions. These problems are solved numerically with a finite element approach under a tolerance of 10−8. A numerical algorithm (finite element approach) is provided and a numerical procedure is discussed. Convergence is also observed via 300 elements. Simulations are run to explore the dynamics of flow and the transport of heat and mass under parametric variation. To examine the impact of a temperature gradient on the transport of mass and the role of a concentration gradient on the transport of heat energy, simulations are recorded. Remarkable changes in temperature and concentration are noted when Dufour and Soret numbers are varied

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DOI:: Digital Object Identifier (open in new tab) 10.3390/en14206818
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Category:: Articles
Type:: artykuły w czasopismach
Published in:: ENERGIES no. 14,
ISSN: 1996-1073
Language:: English
Publication year:: 2021
Bibliographic description:: Hafeez M. B., Sumelka W., Nazir U., Hijaz A., Askar S.: Mechanism of Solute and Thermal Characteristics in a Casson Hybrid Nanofluid Based with Ethylene Glycol Influenced by Soret and Dufour Effects// ENERGIES -, (2021),
DOI:: Digital Object Identifier (open in new tab) 10.3390/en14206818
Verified by:: Gdańsk University of Technology