Impact of activation energy and Deborah number on heat and mass transfer of three dimensional rotating magnetic nanofluid over a stretching surface

Abstract

The influence of activation energy and thermal Biot number on MHD (magnetohydrodynamic) mass and heat transport analysis of rotating Maxwell nanoliquid flow over an elongating surface with radiation is examined in the present study by considering both suction and non-suction cases. Momentum equations in both directions of x and y, energy and species equations are transformed into the a of ODEs (ordinary differential equations) by utilising similarity conversions. These transformed equations supplemented with boundary conditions are solved numerically with the use of the finite element method. Velocities in both x and y directions, concentration and temperature sketches are plotted for various values of Deborah parameter, activation energy, Biot number, magnetic parameter, thermophoresis, Brownian motion, radiation and rotation parameters. The rates of mass transport, heat transport and dimensionless gradient of velocity are also calculated. Key findings reveal that an increase in activation energy significantly enhances the concentration of the nanoliquid in both suction and non-suction cases. Furthermore, it was observed that the magnetic parameter induces a Lorentz force that retards fluid motion while simultaneously elevating the liquid's temperature. Results also demonstrate that the rotation parameter has a more pronounced effect on temperature degradation in the presence of suction.