Darcy–Brinkman Bio-Thermal Convection in a Porous Rotating Layer Saturated by a Newtonian Fluid Containing Gyrotactic Microorganisms

The bio-thermal convection in a rotating layer of porous medium saturated with Newtonian fluid gyrotactic microorganisms is studied on the basis Darcy–Brinkman model. A linear analysis carried out using Galerkin method for rigid-rigid boundary conditions. In stationary regime, we obtained dispersion equation relation between thermal Rayleigh–Darcy number and bioconvection. influence Peclet number, gyrotaxis, Darcy cell eccentricity, rotation parameter bioconvective processes analyzed shown graphically. results indicate that an increase (Taylor number) delays onset bioconvection, whereas eccentricity can stimulate