Entropy Generation within Annular Peristaltic Transportation of Jeffrey Nanoliquid with a Varying Viscosity

Document Type : Research Paper

Authors
Galal M. Moatimid
Mona A.A. Mohamed
Khaled Elagamy
Department of Mathematics, Faculty of Education, Ain Shams University, Roxy, Heliopolis: 11566, Cairo, Egypt
10.22055/jacm.2025.48742.5463
Abstract
An investigation is conducted on the symmetrical peristaltic stream of a non-Newtonian nanofluid across permeable material among two coaxial pipes using a Jeffrey model. The viscosity of the liquid is considered as a variable of heat and mass distributions, which gives the current study more reality. The viscosity depends on both of them. Additionally, the irreversibility distribution of entropy generation is reflected. The fluid exhibits non-Newtonian dissipation, Joule heating, nonlinear heat emission, and substance effect characteristics. An unvarying magnetic field is considered perpendicular to cylindrical axis with a Hall impact. The mathematical construction deals with momentum, energy, and nanoparticle mass diffusion, as well as implication of entropy generation. The contribution of entropy generation with varying viscosity may enable one to design more effective systems to control the thermal properties and flow of nanoliquids. The present study examines the interplay between temperature and concentration transmission in nanoliquids exhibiting changing viscosity. This study also includes an analysis of entropy formation. Collectively, these elements offer enhanced understanding of the behavior and attributes of diverse events within distinct biological contexts. It is discovered that while the condensation of nanoparticles has decreased, temperature diffusion improves with the development of most parameters. The concentration of nanoparticles is significantly impacted by Brownian motion, which further raises the interior temperature. It is concluded that a decrease in entropy generation due to a lowering magnetic field results in more efficient peristaltic pump systems, especially of the transportation of nanoliquids through annular pipes.
Keywords
Peristaltic transport
Jeffrey nanofluid
Hall effect
Entropy generation
Irreversibility energy
Homotopy perturbation method
Subjects

Publisher’s Note Shahid Chamran University of Ahvaz remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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Journal of Applied and Computational Mechanics
Volume 12, Issue 3
Summer 2026
Pages 1106-1123