The model explores the impact of magnetic field and hybrid nanofluids on thermal transport and fluid movement in biomedical and engineering applications. Most of the previous studies on the peristaltic flow focused on simple fluid or Newtonian fluid flow in a simple tube. In the model, hybrid nanofluid flow has been considered in coaxial cylinders. The inner pipe in a moving endoscope and the outer pipe is flexible. We examine the aspects of Zinc Oxide (ZnO) and Aluminum Oxide (Al 2 O 3 ) nanoparticles suspended in base fluid. Influence of magnetic field, porosity parameter along with viscous dissipation are also considered in this study. The obtained differential system is non-dimensionalized and solved for moderate Reynolds numbers. The regular perturbation method is used twice for two small parameters: a wave number and the Casson parameter. A graphic representation illustrates influence of various factors on temperature, pressure, axial and radial velocity. The findings indicate that the wave number and endoscope velocity decrease the radial velocity. In contrast, the axial velocity shows opposite effect. The temperature profile rises with the magnetic field and falls with the Casson parameter. Furthermore, fluid pressure increases with the wave number but drops with Casson and porosity factors. Magnetic field, porosity parameter and Casson parameter reduce the size of a bolus while endoscope velocity increases it. The results of this investigation contribute to a deeper understanding of biomedical engineering and technology.
Noor et al. (Wed,) studied this question.
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