Soret, Dufour, and activation energy effects on double diffusive convective couple stress micropolar nanofluid flow in a Hall MHD generator system
Source abstract
Abstract
In this paper, the effect of activation energy, Soret, and Dufour on non-isothermal heat transfer via the non-linear wall of the steady convective flow of micropolar nanofluid magnetohydrodynamics is investigated. Variations in thermophoresis, Brownian motion, couple stress, and Hall current are also considered. Transformations are used to simplify and then solve the governing equations using the optimal homotopy analysis method and are numerically visualized for results. The behavior was examined and explained in all profile graphs. Tables are presented to illustrate the effect of dimensionless parameters on skin friction coefficients, Nusselt and Sherwood numbers. The concentration reduces via the chemical reaction rate, a temperature relative parameter, and increases with an increase in the activation energy and Soret number. It was found that the local skin-friction coefficient at the generator increases with an increase in the Hall current parameter, solutal Grashof number, and couple stress parameter on the x-axis, the local heat rate decreases through the Dufour number and Brownian motion parameter, and the mass transfer rate increases with an increase in the activation energy parameter and Schmitz and Reynolds numbers.
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Research context
OpenAlex topics: Nanofluid Flow and Heat Transfer · Heat Transfer Mechanisms · Fluid Dynamics and Turbulent Flows
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mathematics, Faculty of Science, King Mongkut’s University of Technology Thonburi (KMUTT) 1 , 126 Pracha-Uthit Road, Bang Mod, Thrung Khru, Bangkok 10140, Thailand
KMUTT Fixed Point Research Laboratory, Room SCL 802 Fixed Point Laboratory, Science Laboratory Building, Department of Mathematics, Faculty of Science, King Mongkut’s University of Technology Thonburi (KMUTT) 2 , Bangkok 10140, Thailand
Department of Mathematical Sciences, Bayero University 3 , Kano 700241, Nigeria
Center of Excellence in Theoretical and Computational Science (TaCS-CoE), SCL 802 Fixed Point Laboratory, Science Laboratory Building, King Mongkut’s University of Technology Thonburi (KMUTT) 4 , 126 Pracha-Uthit Road, Bang Mod, Thrung Khru, Bangkok 10140, Thailand
Departments of Medical Research, China Medical University Hospital, China Medical University 5 , Taichung 40402, Taiwan
Renewable Energy Research Centre, Department of Teacher Training in Electrical Engineering, Faculty of Technical Education, King Mongkut’s University of Technology North Bangkok 6 , 1518 Pracharat 1 Road, Bangsue, Bangkok 10800, Thailand
Funding
Center of Excellence in Theoretical and Computational Science, King Mongkut’s University of Technology Thonburi
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