S O Salawu
Numerical study of electroconductive non-Newtonian hybrid nanofluid flow from a stretching rotating disk with a Cattaneo–Christov heat flux model
Salawu, S O; Anwar Bég, O.; Usman; Bég, Tasveer A; Kuharat, S.; Shamshuddin, MD.
Authors
Prof Osman Beg O.A.Beg@salford.ac.uk
Professor
Usman
Tasveer A Bég
Ms Sireetorn Kuharat S.Kuharat2@salford.ac.uk
Lecturer
MD. Shamshuddin
Contributors
Prof Osman Beg O.A.Beg@salford.ac.uk
Project Leader
Abstract
Motivated by emerging technologies in smart functional nanopolymeric coating systems in pharmaceutical and robotics applications, the convective heat transfer characteristics in swirl coating with a magnetic hybrid power-law rheological nanofluid polymer on a radially stretching rotating disk are examined theoretically. An axial magnetic field is imposed. Copper (Cu) and aluminium alloy (AA7075) nanoparticles with sodium alginate (C6H9NaO7) as a base fluid are considered, and a hybrid volume fraction model is deployed. A non-Fourier (Cattaneo–Christov) heat flux model is deployed to inspire thermal relaxation impacts absent in the classical Fourier heat conduction formulation. Through similarity proxies and the Von Karman transformations, the partial derivative systems of equations with associated boundary constraints are reduced to a system of derivative boundary value problems, which is solved numerically via the weighted residual method with an integral Galerkin scheme, executed in the MAPLE symbolic software. Validation with special cases from articles is captured. The computations revealed that radial, tangential and axial velocity are depleted, whereas temperature is enhanced with increasing magnetic parameter ( M). High thermal transfers are obtained for the hybrid nanofluid relative to the AA7075 alloy nanofluid. A strong increment in temperature is also produced with a greater thermal relaxation effect.
Citation
Salawu, S. O., Anwar Bég, O., Usman, Bég, T. A., Kuharat, S., & Shamshuddin, M. (in press). Numerical study of electroconductive non-Newtonian hybrid nanofluid flow from a stretching rotating disk with a Cattaneo–Christov heat flux model. Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, https://doi.org/10.1177/09544089241258019
Journal Article Type | Article |
---|---|
Acceptance Date | May 13, 2024 |
Online Publication Date | Jun 3, 2024 |
Deposit Date | May 24, 2024 |
Publicly Available Date | Jun 3, 2024 |
Journal | Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering |
Print ISSN | 0954-4089 |
Publisher | SAGE Publications |
Peer Reviewed | Peer Reviewed |
DOI | https://doi.org/10.1177/09544089241258019 |
Keywords | Functional nanopolymers; coatings; Copper (Cu)/Aluminium alloy (AA7075) nanoparticles, weighted residual method (WRM), Galerkin scheme, power-law non-Newtonian model |
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Publisher Licence URL
http://creativecommons.org/licenses/by-nc-nd/4.0/
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