Numerical simulations for chemically reactive Darcy-Forchheimer driven viscoplastic nanomaterial subjected to magnetic dipole and gyrotactic microorganisms

Abstract
Abstract\r\n\r\nThe significance of mass transport is evident in numerous areas including crushing, pace technology, pharmaceutical procedures, cooling of nuclear reactors, geothermal reservoirs, hydrothermal tanks, thermal equipment and boosted extraction process of oil. In all these fields, the involvement of chemically reactive systems and their mechanisms plays a crucial role in facilitating the efficient movement of substances. Nanofluids containing swimming microorganisms have noteworthy implications in microfluidic devices, cancer therapy, enzyme biosensors and medicine. The primary objective of this communication is to scrutinize how the magnetic dipole involves the transient bioconvection flow of Casson nanofluid, which contains gyrotactic microorganisms and involves heat generation. Additionally, thermal radiation, mixed convection and porosity influences are invoked. The core partial differential equations (PDEs) regulating microbe, mass, temperature, momentum and concentration conservation are turned into a system of ordinary differential equations (ODEs). The numerical solutions are handled using the Bvp4c scheme. An extensive evaluation is undertaken, comparing the findings of the present study with those of existing research and the outcomes demonstrate a strong and satisfactory agreement between the two studies. The graphical findings and numerical data provide the basis for determining the effects of the variables. Our results reveal that as the approximations of the Peclet number, bioconvection Schmidt number and concentration microorganism variable growth, the microorganism population in the field experiences a decline and the reverse trend is verified for motile microorganisms conjugate parameter. The flow velocity slows down in response to the porosity parameter, Casson parameter, ferrohydrodynamic interaction factor, inertia coefficient parameter, Rayleigh number and mixed convection parameter. The nanofluid temperature experiences an increase in direct proportion to the thermal radiation, thermophoresis, heat generation, Biot number, ferrohydrodynamic interaction, dissipation and Brownian motion parameters and shows fall down impact for Prandtl number and Curie temperature variable. The concentration field upsurges with larger thermophoresis and Biot number while reducing with the augmentation in the magnitude of Brownian motion parameter, reaction rate variable and Schmidt number.

Author
Rzgar farooq rashid

DOI
https://doi.org/10.1016/j.triboint.2024.110431

ISSN

Publish Date: 2024-12-03