article · International Journal of Thermofluids
This study examines how thermal radiation and viscous dissipation influence the behaviour of a magnetohydrodynamic micropolar fluid passing across a stretching plate within a porous medium. Using numerical shooting techniques paired with a fourth-order Runge Kutta method, the non-linear governing equations were solved to assess velocity, temperature, and rotational movement, alongside skin friction, Sherwood numbers, and Nusselt numbers. The results show that raising the micropolar parameter increases fluid velocity and temperature, but reduces microrotation. Furthermore, temperatures rise consistently with increases in medium porosity, the Eckert number, thermal radiation, and heat source parameters. Ultimately, the findings demonstrate that fluid temperatures can be heightened through stronger thermal radiation and viscous heating effects under high-temperature flow conditions.
Predicting how fluids transfer heat and behave near stretching surfaces is essential for operations under intense thermal and magnetic conditions. By clarifying the relationships between fluid rotation, radiation, and dissipation in porous environments, this research offers insights into controlling heat distribution, which is relevant for the design and safety of advanced thermal systems.
The theoretical insights are relevant to engineers and designers working in space engineering and high-temperature processing activities. Because the findings derive from numerical simulations of mathematical models rather than physical prototyping, the research sits at an early stage. Commercial adoption would require experimental validation in industrial materials processing or aerospace thermal management systems to verify performance under operational conditions.
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The theory of thermal radiation and viscous heating are crucial in space engineering and high temperature activities. This inquiry analyzes the consequence of energy source/sink on steady Magnetohydrodynamic(MHD) flow of stretchable surface via porous channel taken into account the introduction of thermal radiation and viscous heating. The transformed nondimensionalized nonlinear governing model is numerically classified and resolved to derive solutions for the physical terms using shooting techniques along with 4th order Runge Kutta method. The flow behavior represented through the physical parameters are discussed via tables and graphs. Examined are the effects of skin friction as well as Sherwood and Nusselt numbers. It is revealed from the research that increase in micropolar term leads to higher velocity and temperature while microrotation falls. Also, increase in temperature is observed for every increase in porosity, Eckert, radiative and heat source terms. It is deduced from the investigation that the temperature can be enhanced as both radiative and viscous heating terms improves.
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DOI: 10.1016/j.ijft.2024.100600
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