Thermal radiative on bio-convection flow with stefan blowing effects over a rotating disk in a porous medium
摘要
Applications in research and engineering have been found for microfluidic technologies and microfluidic devices based on micro-electromechanical systems. This work investigates Darcy-Forchheimer's nanofluid flow past a spinning disk with microorganisms. The disk considers the effect of a porous medium. The energy equation incorporates heat source and thermal radiation, whereas the mass equation accounts for the impact of chemical reactions. The Buongiorno nanofluid theory is also analyzed in the viscous flow. The role of Stefan blowing is examined by analyzing the rate of transference of mass at the surface of a disk. The flow equations are initially converted into a set with one independent variable and then solved numerically using the Bvp4c method on MATLAB software, which is integrated with the shooting process. The graphical representation of momentum, thermal, mass species, and microorganisms field is used to analyze the behavior of these differentiated physical quantities. The drag force, microorganism, Sherwood number, and Nusselt number are computed for various physical factors. The findings indicate that an increase in the Stefan blowing factor results in improved gradients of radial velocity. The increasing values of the porosity number decreased the liquid velocity. The greater thermal field was a consequence of the involvement of both the thermophoretic force and Brownian motion.
Graphical abstract