Journal
MATHEMATICS
Volume 11, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/math11040866
Keywords
rotating frame; MHD; micropolar fluid; porous medium
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The study investigates the time-independent performance of a micropolar nanofluid on a stretching sheet influenced by magneto hydrodynamics and the presence of a porous medium. Nano-sized particles were added to the base fluid due to their extraordinary heat-enhancing ability, which plays a crucial role in various applications. The effects of Brownian motion and thermophoresis were considered, and a numerical approach using the bvp4c method in MATLAB was implemented to analyze the influence of different parameters on velocity, micro-rotation, concentration, and temperature profiles.
The time-independent performance of a micropolar nanofluid under the influence of magneto hydrodynamics and the existence of a porous medium on a stretching sheet has been investigated. Nano-sized particles were incorporated in the base fluid because of their properties such as their extraordinary heat-enhancing ability, which plays a very important role in modern nanotechnology, cooling electronic devices, various types of heat exchangers, etc. The effects of Brownian motion and thermophoresis are accounted for in this comprehensive study. Using similarity conversion, the leading equations based on conservation principles are non-dimensionalized with various parameters yielding a set of ODEs. The numerical approach boundary value problem fourth-order method (bvp4c) was implemented as listed in the MATLAB computational tool. The purpose of this examination was to study and analyze the influence of different parameters on velocity, micro-rotation, concentration, and temperature profiles. The primary and secondary velocities reduced against the higher inputs of boundary concentration, rotation, porosity, and magnetic parameters, however, the base fluid temperature distribution grows with the increasing values of these parameters. The micro-rotation distribution increased against the rising strength of the Lorentz force and a decline is reported against the growing values of the micropolar material and rotational parameters.
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