<p>This study examines the bioconvection flow of a Cross nanofluid containing gyrotactic microorganisms over three geometrical configurations: a flat plate, a wedge, and a cone. The significance of this research lies in its incorporation of the Cattaneo-Christov heat and mass flux theory, which accounts for thermal relaxation effects-critical in optimizing heat and mass transfer processes in bioengineering and industrial applications. The study aims to analyze the combined effects of radiative heat transfer, thermophoresis, heat generation/absorption, magnetic field strength and other embedded parameters on fluid behavior. The research employs the Homotopy Analysis Method (HAM) to obtain analytical solution for velocity, temperature, nanoparticle concentration, and gyrotactic microorganism density distribution. The key findings indicate that heat transfer is most efficient over the cone, whereas the wedge exhibits the highest mass transfer rate and microbial concentration. The study further highlights the influence of governing parameters such as buoyancy ratio, relaxation time, and external forces on fluid behavior. These results contribute to a deeper understanding of nanofluid dynamics in biomedical and industrial applications, including microbial-enhanced oil recovery and nanofluid-based drug delivery systems.</p>

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Bioconvection Cross nanofluid flow with Cattaneo-Christov heat and mass fluxes past plate, wedge and cone

  • Muhammad Zameer Shah,
  • Noor Saeed Khan,
  • Waris Khan,
  • Imed Boukhris,
  • Marouan Kouki,
  • Afnan Al Agha,
  • Hakim Al Garalleh,
  • M. S. Al-Buriahi

摘要

This study examines the bioconvection flow of a Cross nanofluid containing gyrotactic microorganisms over three geometrical configurations: a flat plate, a wedge, and a cone. The significance of this research lies in its incorporation of the Cattaneo-Christov heat and mass flux theory, which accounts for thermal relaxation effects-critical in optimizing heat and mass transfer processes in bioengineering and industrial applications. The study aims to analyze the combined effects of radiative heat transfer, thermophoresis, heat generation/absorption, magnetic field strength and other embedded parameters on fluid behavior. The research employs the Homotopy Analysis Method (HAM) to obtain analytical solution for velocity, temperature, nanoparticle concentration, and gyrotactic microorganism density distribution. The key findings indicate that heat transfer is most efficient over the cone, whereas the wedge exhibits the highest mass transfer rate and microbial concentration. The study further highlights the influence of governing parameters such as buoyancy ratio, relaxation time, and external forces on fluid behavior. These results contribute to a deeper understanding of nanofluid dynamics in biomedical and industrial applications, including microbial-enhanced oil recovery and nanofluid-based drug delivery systems.