Muhammad Mubashir Bhatti
Electromagnetohydrodynamic (EMHD) convective transport of a reactive dissipative carreau fluid with thermal ignition in a non-Darcian vertical duct
Bhatti, Muhammad Mubashir; Anwar Bég, O; Kuharat, S.
Authors
Prof Osman Beg O.A.Beg@salford.ac.uk
Professor
Ms Sireetorn Kuharat S.Kuharat2@salford.ac.uk
Lecturer
Abstract
Reactive electro-conductive non-Newtonian (gel) duct flows arise in a variety of industrial applications including hybrid propulsion, smart rheological manufacturing systems, complex geothermal systems and chemical process engineering. Motivated by these technological applications, a mathematical model is developed to simulate the steady, laminar exothermic reactive electro-magneto-hydrodynamic combustible non-Newtonian natural convective transport in a vertical duct. Static uniform axial electrical field and transverse magnetic field are imposed. The Frank-Kamenetskii thermal explosion theory is utilized and also the Carreau fluid model, the latter due to its ability to simulate shear-thinning, Newtonian and shear-thickening behaviour. The duct contains a homogenous, isotropic porous medium and to accomodate Forchheimer inertial drag effects, a non-Darcian model is deployed. The duct walls are permeable enabling suction and injection effects to be studied. Viscous and Joule heating (Ohmic dissipation) are also featured in the model. Following a scaling transformation, the dimensionless emerging non-linear ordinary differential boundary value problem is solved with a robust numerical method (Mathematica shooting algorithm). Validation with an Adomian decomposition method (ADM) is included. Velocity, temperature, duct wall skin friction and Nusselt number are computed for the influence of all key parameters and depicted in graphs and tables. Detailed physical interpretations are provided and some pathways for future investigations are briefly outlined.
Citation
Bhatti, M. M., Anwar Bég, O., & Kuharat, S. (in press). Electromagnetohydrodynamic (EMHD) convective transport of a reactive dissipative carreau fluid with thermal ignition in a non-Darcian vertical duct. Numerical Heat Transfer, Part A Applications, 1-31. https://doi.org/10.1080/10407782.2023.2284333
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 10, 2023 |
Online Publication Date | Nov 28, 2023 |
Deposit Date | Nov 10, 2023 |
Publicly Available Date | Nov 29, 2024 |
Journal | Numerical Heat Transfer, Part A: Applications |
Print ISSN | 1040-7782 |
Publisher | Taylor and Francis |
Peer Reviewed | Peer Reviewed |
Pages | 1-31 |
DOI | https://doi.org/10.1080/10407782.2023.2284333 |
Keywords | Condensed Matter Physics, Numerical Analysis |
Publisher URL | https://www.tandfonline.com/journals/UNHT |
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Copyright Statement
This is an Accepted Manuscript of an article published by Taylor & Francis in [JOURNAL TITLE] on [date of publication], available at: https://doi.org/[Article DOI].
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