Abstract
Theoretical analysis has been carried out to establish the heat transport phenomenon of six different ferromagnetic MnZnFe2O4—C2H6O2 (manganese zinc ferrite-ethylene glycol), NiZnFe2O4—C2H6O2 (Nickel zinc ferrite-ethylene glycol), Fe2O4—C2H6O2 (magnetite ferrite-ethylene glycol), NiZnFe2O4—H2O (Nickel zinc ferrite-water), MnZnFe2O4—H2O (manganese zinc ferrite-water), and Fe2O4—H2O (magnetite ferrite-water) nanofluids containing manganese zinc ferrite, Nickel zinc ferrite, and magnetite ferrite nanoparticles dispersed in a base fluid of ethylene glycol and water mixture. The performance of convective heat transfer is elevated in boundary layer flow region via nanoparticles. Magnetic dipole in presence of ferrites nanoparticles plays a vital role in controlling the thermal and momentum boundary layers. In perspective of this, the impacts of magnetic dipole on the nano boundary layer, steady, and laminar flow of incompressible ferromagnetic nanofluids are analyzed in the present study. Flow is caused by linear stretching of the surface. Fourier’s law of heat conduction is used in the evaluation of heat flux. Impacts of emerging parameters on the magneto—thermomechanical coupling are analyzed numerically. Further, it is evident that Newtonian heating has increasing behavior on the rate of heat transfer in the boundary layer. Comparison with available results for specific cases show an excellent agreement.
Highlights
Heat transfer enhancement in a two-phase fluid flow has been scrutinized for many years
It is very probable that motion of ferrite nanoparticles in the fluid will enhance thermal conductivity and heat transfer
In order to get an obvious insight of the existing flow problem, the results are dig out for the axial velocity, temperature field, skin friction coefficient, and Nusselt number graphically
Summary
Heat transfer enhancement in a two-phase fluid flow has been scrutinized for many years. In heat transfer equipment liquids are frequently utilized as heat transporter. Research on nanofluid flow depicts that by adding ferrite nanoparticles in the fluid, the heat transfer coefficient can be enhanced. The resulting increase in the heat transfer, in addition to the possible rise in thermal conductivity, was mainly because of the reduced thickness of the thermal boundary layer. It is very probable that motion of ferrite nanoparticles in the fluid will enhance thermal conductivity and heat transfer. Examples of important uses of heat transfer liquids include hydronic and cooling heating systems in buildings, vehicular and avionics cooling systems in industry, chemical, foods, and other processing plants.
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