A Numerical Approach for the Heat Transfer Flow of Carboxymethyl Cellulose-Water Based Casson Nanofluid from a Solid Sphere Generated by Mixed Convection under the Influence of Lorentz Force

Firas A. Alwawi, Hamzeh T. Alkasasbeh, Ahmed M. Rashad and Ruwaidiah Idris
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Firas A. Alwawi: Faculty of Ocean Engineering Technology and Informatics, University Malaysia Terengganu, Kual Nerus 21030, Terengganu, Malaysia
Hamzeh T. Alkasasbeh: Department of Mathematics, Faculty of Science, Ajloun National University, P.O. Box 43, Ajloun 26810, Jordan
Ahmed M. Rashad: Department of Mathematics, Aswan University, Faculty of Science, Aswan 81528, Egypt
Ruwaidiah Idris: Faculty of Ocean Engineering Technology and Informatics, University Malaysia Terengganu, Kual Nerus 21030, Terengganu, Malaysia

Mathematics, 2020, vol. 8, issue 7, 1-21

Abstract: The heat transfer of a carboxymethyl cellulose aqueous solution (CMC-water) based Casson nanofluid, flowing under the impact of a variable-strength magnetic field in mixed convection around a solid sphere, has been examined in this work. Aluminum (Al), copper (Cu), and silver (Ag) nanoparticles were employed to support the heat transfer characteristics of the host fluid. A numerical approach called the Keller-box method (KBM) was used to solve the governing system for the present problem, and also to examine and analyze the numerical and graphic results obtained by the MATLAB program, verifying their accuracy through comparing them with the prior literature. The results demonstrate that a Al–CMC-water nanoliquid is superior in terms of heat transfer rate and skin friction. The velocity of CMC-water is higher with Ag compared to Al–CMC-water, and Ag–CMC-water possesses the lowest temperature. Growing mixed parameter values result in a rising skin friction, velocity and Nusselt number or decline in temperature.

Keywords: MHD; CMC-water; Casson fluid; mixed convection; solid sphere (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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