Magnetohydrodynamic heat transfer analysis of Sisko nanofluid flow through a vertical endoscopic channel under peristaltic motion

Using the combined effects of heat convection and magnetohydrodynamics (MHD), this study provides a comprehensive analytical analysis of the peristaltic movement of Sisko nanofluid in a vertical endoscopic channel. The integration of convective boundary conditions, MHD forces, nanoparticle-enhanced heat conductivity and non-Newtonian Sisko fluid behavior inside a realistic biological geometry is the novelty of this study. Since the governing equations are nonlinear, the velocity and pressure gradient profiles are solved using the Homotopy Perturbation Method (HPM) and the temperature and concentration fields are precisely solved using the Laplace transform technique. According to quantitative results, axial velocity decreases first as a result of the amplitude ratio’s diminishing effects. On the other hand, buoyant forces, which are indicated by the Grashof number, increase velocity by as much as 19%. Widening the channel allows fluid to travel more easily since the pressure gradient drops by up to 35%. Furthermore, it is discovered that higher values of [Formula: see text] and [Formula: see text], respectively, result in a significant increase in temperature and nanoparticle concentration. Trapping phenomena are highlighted by streamline analysis using five different waveforms, which demonstrates that larger wave amplitudes cause larger trapped boluses to occur, especially close to the centerline. With implications for endoscopy-based fluid transfer, magnetically assisted medication delivery and the treatment of hyperthermia, this work offers new insights into regulated transport mechanisms in biological systems and medical devices.