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<p>In this investigation, the radiative and diffusion-thermo components of the unsteady MHD flow are examined. The flow is carried through a porous medium by means of an infinite vertical plate that is looked at in an impulsive manner. The temperature of the plate is also changing. Through the process of transforming the flow regulating equations into dimensionless partial differential equations (PDEs), it is possible to quantitatively solve them using the finite difference approach. The most important flow characteristics, such as the temperature distribution, the species concentration, and the velocity, are shown graphically with numerical data. In addition, tables that display shear stress, the Nusselt number, and the Sherwood number at the surface of the plate for a variety of parameter values are supplied. As a consequence of the influence of the Dufour parameter, our findings indicate that the fluid distribution of temperature displays the most variable behavior. When there is an increase in the radiation factor, there is a corresponding decrease in the temperature gradient. The current model may be applied to nuclear reactor cooling systems, thermal protection materials on spacecraft, biomedical heat and mass&#xa0;transfer , chemical process design, enhanced oil recovery, the simulation of environmental pollutants, and solar energy systems. Presence of thermal radiation, chemical reaction, and porous resistance makes it relevant to examine complex phenomena of fluid flow in both natural and industrial environments.</p>

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Radiation influence on unsteady MHD flow through a porous media past an infinite vertical plate in the presence of Dufour impact

  • 期刊论文

  • 发表日期：

    2025年7月29日

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  • B. Shankar Goud,
  • Mekala Aparna

摘要

In this investigation, the radiative and diffusion-thermo components of the unsteady MHD flow are examined. The flow is carried through a porous medium by means of an infinite vertical plate that is looked at in an impulsive manner. The temperature of the plate is also changing. Through the process of transforming the flow regulating equations into dimensionless partial differential equations (PDEs), it is possible to quantitatively solve them using the finite difference approach. The most important flow characteristics, such as the temperature distribution, the species concentration, and the velocity, are shown graphically with numerical data. In addition, tables that display shear stress, the Nusselt number, and the Sherwood number at the surface of the plate for a variety of parameter values are supplied. As a consequence of the influence of the Dufour parameter, our findings indicate that the fluid distribution of temperature displays the most variable behavior. When there is an increase in the radiation factor, there is a corresponding decrease in the temperature gradient. The current model may be applied to nuclear reactor cooling systems, thermal protection materials on spacecraft, biomedical heat and mass transfer , chemical process design, enhanced oil recovery, the simulation of environmental pollutants, and solar energy systems. Presence of thermal radiation, chemical reaction, and porous resistance makes it relevant to examine complex phenomena of fluid flow in both natural and industrial environments.