Numerical Investigation of MHD Radiative Sisko Fluid Flow over a Stretching Sheet with Wall Transpiration and Convective Boundary Conditio
DOI:
https://doi.org/10.54938/ijemdm.2026.04.1.681Keywords:
Sisko fluid; Magneto-hydrodynamics; Thermal radiation; Suction/Injection; Heat transfer Stretching sheet; Convective boundary conditionAbstract
The present research is to examine the magnetohydrodynamic (MHD) radiative characteristics of flow and heat transfer of a Sisko fluid over a stretching permeable sheet with the convective boundary conditions. To simulate the real industrial thermal process, Sisko fluid incorporated with different effects such as thermal radiation, magnetic field and suction/injection. Governing nonlinear partial differential equations for momentum and energy transport are transformed into a system of nonlinear ordinary differential equations via appropriate similarity transformations. We solved the boundary value problem numerically using MATLAB, via the solver bvp4c. The influences of the magnetic parameter, radiation parameter, Biot number, suction/injection parameter, and Sisko fluid parameter on the velocity and temperature distributions are analyzed in detail. The numerical results reveal that the applied magnetic field suppresses fluid motion due to the Lorentz force while enhancing the thermal field within the boundary layer. Thermal radiation significantly increases the temperature distribution and thermal boundary-layer thickness. Furthermore, higher Biot numbers strengthen convective heating at the surface, whereas suction improves heat transfer performance by reducing boundary-layer thickness. The rheological characteristics of the Sisko fluid are found to play a crucial role in controlling both momentum and heat transfer behavior. The variations in the skin-friction coefficient and local Nusselt number are also examined to quantify the effects of the governing parameters on surface drag and heat transfer rate. The present investigation provides useful insights into coupled MHD and radiative transport phenomena in Sisko fluids and applicable in polymer processing, thermal engineering systems, coating technologies, and other industrial heat-transfer operations involving nonNewtonian fluids.
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