Effect of asymmetrical heat rise/fall on the film flow of magnetohydrodynamic hybrid ferrofluid

Iskander Tlili,N Sandeep,M T Mustafa,K Anantha Kumar

doi:10.1038/s41598-020-63708-y

Abstract

The movement of the ferrous nanoparticles is random in the base fluid, and it will be homogeneous under the enforced magnetic field. This phenomenon shows a significant impact on the energy transmission process. In view of this, we inspected the stream and energy transport in magnetohydrodynamic dissipative ferro and hybrid ferrofluids by considering an uneven heat rise/fall and radiation effects. We studied the Fe3O4 (magnetic oxide) and CoFe2O4 (cobalt iron oxide) ferrous particles embedded in H2O-EG (ethylene glycol) (50–50%) mixture. The flow model is converted as ODEs with suitable similarities and resolved them using the 4th order Runge-Kutta scheme. The influence of related constraints on transport phenomena examined through graphical illustrations. Simultaneous solutions explored for both ferro and hybrid ferrofluid cases. It is found that the magnetic oxide and cobalt iron oxide suspended in H2O-EG (ethylene glycol) (50–50%) mixture effectively reduces the heat transfer rate under specific conditions.

Highlights

The movement of the ferrous nanoparticles is random in the base fluid, and it will be homogeneous under the enforced magnetic field
Silicon wafer process, hot rolling, cooling of reactors, design of precious stone, tinning of wires, continuous casting of metals, paper production, making of microchips, glass industry, crystal growth, space vehicles, polymer physics are some applications of such motion in a time-dependent liquid film flow across a surface
We studied the Fe3O4 and CoFe2O4 ferrous particles embedded in H2O-EG (50–50%) mixture

Summary

Introduction

The movement of the ferrous nanoparticles is random in the base fluid, and it will be homogeneous under the enforced magnetic field. The effect of frictional heat on the natural convective 2D drive of hybrid nano liquid over a circular tube was discussed by Suresh et al.[8] Numerical scrutiny was accompanied by Ramandevi et al.[9] for the comparison of the heat transfer mechanism in both viscoelastic and Casson fluid flow using new heat flux under the action of and viscous dissipation. 12 The influence of drag force on the flow over an expanding surface was discussed by Sheikholeslami et al.[13] Later on, the researchers[14,15] investigated the transport phenomena of Newtonian and non-Newtonian hybrid nanoliquids under various physical effects.

Results

Conclusion