article · Case Studies in Thermal Engineering
This research examines how rotational forces and thermal diffusion influence the magnetohydrodynamic convective rotating flow of a viscoelastic fluid past an inclined porous plate. The analytical model incorporates the effects of chemical reactions and an internal heat source on the fluid system. Using perturbation techniques to solve the governing dimensionless differential equations, the analysis assesses changes in flow velocity, temperature, and species concentration. The results show that increasing the Soret parameter boosts the resultant fluid velocity across the region. Conversely, stronger aligned magnetic fields and higher magnetic field intensities reduce this velocity. In addition, the presence of thermal and solutal buoyancy forces notably enhances fluid movement. The mathematical models also provide specific measurements for shear stress and mass transfer rates along the plate surface under varying physical conditions.
Understanding how magnetic fields and thermal diffusion alter fluid flow inside rotating, porous environments is essential for improving thermal management. These findings offer mathematical insights into controlling heat transfer and fluid speeds, which helps engineers predict and regulate fluid behaviour in systems operating under extreme thermal and electromagnetic conditions.
The findings are relevant to engineers developing cooling systems for rotating machinery, magnetohydrodynamic power generation facilities, and chemical processing equipment. Because this work relies on analytical modelling and perturbation techniques rather than physical prototypes, it represents early-stage research that requires experimental testing and computational validation before direct industrial application.
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This study investigates the effects of rotational forces and thermal diffusion on the magnetohydrodynamic (MHD) convective rotating flow of a second grade fluid past a moving isothermal inclined porous plate, accounting for the influence of chemical reactions and a heat source. The governing equations of the flow are transformed into dimensionless ordinary differential equations (ODEs) and analytically solved using the perturbation technique. Numerical results for key flow characteristics, such as primary and secondary velocities, temperature distribution, and species concentration, are presented graphically. Additionally, shear stress and mass transfer rates at the plate surface are tabulated for various parameter values. The findings reveal that the fluid’s resultant velocity increases with higher Soret parameters across the fluid region, while the opposite trend is observed with an increase in both the aligned magnetic field and magnetic field intensity. Furthermore, thermal and solutal buoyancy forces significantly enhance the resultant velocity. The study also highlights the excellent agreement between the current results and previously published work, validating the accuracy of the analysis. This research has practical applications in various fields, such as the design of cooling systems for rotating machinery, MHD power generation, chemical processing equipment, and fluid flow control in astrophysical contexts.
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DOI: 10.1016/j.csite.2025.105977
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