A. Sumithra
Computation of inclined magnetic field, thermophoresis and Brownian motion effects on mixed convective electroconductive nanofluid flow in a rectangular porous enclosure with adiabatic walls and hot slits
Sumithra, A.; Sivaraj, R.; Ramachandra Prasad, V; Anwar Bég, O; Leung, Ho-Hon; Kamalov, Firuz; Kuharat, S.; Rushi Kumar, B
Authors
R. Sivaraj
V Ramachandra Prasad
Prof Osman Beg O.A.Beg@salford.ac.uk
Professor
Ho-Hon Leung
Firuz Kamalov
Ms Sireetorn Kuharat S.Kuharat2@salford.ac.uk
Lecturer
B Rushi Kumar
Abstract
This analysis theoretically investigates the transport phenomena of mixed convection flows in an enclosure of rectangular geometry saturated with a permeable medium filled with an electrically conducting nanofluid. An inclined magnetic field is taken into consideration. Buongiorno’s model is utilized to characterize the nanoliquid. The enclosure has adiabatic walls and hot slits. A uniform cold temperature is maintained at the enclosure’s lower and upper walls. The enclosure’s vertical walls are thermally insulated with hot slits at the center of the walls. This kind of analysis on mixed convective, electrically conducting nanofluid flows in enclosures finds applications in smart nanomaterial processing systems and hybrid electromagnetic nanoliquid fuel cells. The Marker-And-Cell (MAC) method is utilized to solve the transformed nondimension system of governing equations subject to the fitted boundary conditions. The effects of key physical parameters on streamlines, isotherms, iso-concentration contour plots and the heat transmission rate are examined. The simulations demonstrate that the Richardson number has a predominant impact on the thermo-solutal features of nanofluid flow in the rectangular enclosure. Variations in magnetic field and buoyancy ratio parameters exert a notable influence on the iso-concentrations and isotherms. An increase in the Darcy number values exhibits a tendency to magnify the local heat transfer rate. Higher Grashof number values reduce the local Nusselt number profiles. The effect of porous parameter is significant in the streamlines, isotherms and iso-concentrations. Thus, the porous medium can significantly control the transport phenomena in the enclosure. The concentration, temperature and velocity contours are strongly modified by the variations in the Grashof number.
Citation
Sumithra, A., Sivaraj, R., Ramachandra Prasad, V., Anwar Bég, O., Leung, H., Kamalov, F., …Rushi Kumar, B. (in press). Computation of inclined magnetic field, thermophoresis and Brownian motion effects on mixed convective electroconductive nanofluid flow in a rectangular porous enclosure with adiabatic walls and hot slits. International Journal of Modern Physics B, https://doi.org/10.1142/s0217979224503983
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 21, 2023 |
Online Publication Date | Oct 1, 2023 |
Deposit Date | Oct 21, 2023 |
Publicly Available Date | Oct 2, 2024 |
Journal | International Journal of Modern Physics B |
Print ISSN | 0217-9792 |
Publisher | World Scientific Publishing |
Peer Reviewed | Peer Reviewed |
DOI | https://doi.org/10.1142/s0217979224503983 |
Keywords | Condensed Matter Physics, Statistical and Nonlinear Physics |
Files
This file is under embargo until Oct 2, 2024 due to copyright reasons.
Contact O.A.Beg@salford.ac.uk to request a copy for personal use.
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