Journal
HELIYON
Volume 9, Issue 7, Pages -Publisher
CELL PRESS
DOI: 10.1016/j.heliyon.2023.e17644
Keywords
Viscoplastic nanofluid fluid; Complex peristaltic waves; Darcy ' s number; Second-order velocity slip; Thermal and concentration slips
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In advanced studies, researchers have made productive research contributions to nanofluid mechanics under various biological assumptions, which have implications in fields such as hybrid-powered engines, heart diagnostics, disease prevention, heat exchangers, and pharmaceutical processes. This particular study investigates the combined effects of heat generation and chemical reaction on the peristaltic flow of viscoplastic nanofluid in a non-uniform channel and considers factors like second-order velocity slip and thermal slip. Numerical solutions are obtained using Mathematica software, and the study has applications in bio-mechanical processes, nanomaterial devices, heat transfer enhancement, radiators, and electronics cooling systems.
In the advance studies, researchers have performed productive research contributions in the field of nanofluid mechanics under various biological assumptions. These contributions are fruitful to understand the applications of nanofluids in the various fields such as hybrid-powered engine, heart-diagnose, to prevent numerous diseases, heat exchanger, pharmaceutical processes, etc. The current analysis explores the combined effects of heat generation and chemical reaction on the peristaltic flow of viscoplastic nanofluid through a non-uniform (divergent) channel. The physical effects of second-order velocity slip, thermal slip and mass slip parameters on the rheological characteristics are also considered. To describe non-Newtonian effects, the Casson fluid is deployed. The greater wavelength assumption and low Reynolds number theory are used to attain the rheological equations. Numerical solutions of these governing equations associated with suitable boundary conditions are obtained via Mathematica symbolic software. The velocity magnitude of Casson fluid is higher than associated with Newtonian fluid. Radiation parameter has a vigorous impact in the reduction (enhancement) of temperature (mass concentration) profile. The porous parameter has a remarkable impact in reduction of temperature and velocity profile. Thermal enhancement is perceived by intensifying the chemical reaction parameter, and opposite inclination is noticed in mass concentration. Temperature has been demonstrated to be increased by increasing the Darcy number. The magnitudes of both axial velocity and temperature distribution are smaller in the presence of second-order velocity slip parameters effect as compared with no-slip condition. The magnitudes of axial velocity and mass (or, nanoparticle) concentration are augmented by accumulating the Prandtl number. A rise in Brownian parameter is noticed to depress the mass concentration. The present study has been used in bio-mechanical processes, nanomaterial devices, heat transfer enhancement, radiators, and electronics cooling systems.
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