Modeling and analysis of heat and mass transport in chemically reactive darcy−forchheimer flow of micropolar fluid with activation energy

Abstract

The current study focuses on the temperature and mass distributions in the flow of exponentially heated, chemically reactive micropolar fluid over a horizontal porous stretching sheet within Darcy−Forchheimer porous medium with activation energy and viscous dissipation. The governing partial differential equations are transformed using similarity transformations and converted into a set of ordinary differential equations. Reduced ordinary differential equations are solved by similarity analysis through the bvp4c tool in MATLAB. This study examines how the transition in temperature, mass, and velocity of fluid are affected by different physical parameters. To enhance the overall transfer process, the concentration, temperature, and velocity distributions are discussed for the physical parameters. The study investigates the behavior of magnetohydrodynamic (MHD) micropolar fluids under varying physical parameters. Results indicate that an increase in the magnetic parameter enhances the temperature profile, while a rise in the porosity parameter decreases the velocity distribution. An enhancement in temperature distributions is observed with the rise of exponential heat source and thermal-dependent heat source. Furthermore, mass transfer improves with higher activation energy. These findings underscore the potential of MHD micropolar fluids in engineering applications such as oil exploration, geothermal energy extraction, and nuclear reactor cooling systems.