Abstract
This article deals with steady-state laminar, electrically conducting immiscible fluids. The Newtonian fluid considered passes between two parallel vertical plates in a porous medium. The channel consists of two regions, one of them filled with engine-oil-based carbon nanotubes (CNTs) and the second region filled with water through a porous medium. The assumptions for the channel walls are electrically non-conducting and are at two different temperatures. Mathematical formulation is formed using rules for the conservation of mass, momentum and energy in both regions. Continuous conditions are used for velocity, temperature and also for shear pressure at the crossing area. The governing equations are first transformed in a non-dimensional form by using appropriate transformations, and then the subsequent differential equations are solved using a topological approach by means of the homotopy analysis method. It is found that the impact of the actual boundaries utilized in the issue is directed, and the outcomes are introduced graphically and discussed. It is noted that the engine-oil SWCNTs experience a significant increase in temperature profiles as compared to the engine-oil MWCNTs, while the movement of fluid slowdown in the nanofluid region due to the concentration of nanoparticles and the thickness of the thermal boundary layer increases by increasing the volume fraction of the carbon nanotubes.
Highlights
The study of porous medium transport phenomena has been given valuable attention due to its prominence in industrial and engineering applications
Enhanced thermal conductivity in multi-walled carbon nanotubes (MWCNTs) with two different base fluids, ethylene glycol and engine-oil nanofluids is observed by Liu et al [28] under the influence of nanoparticle concentration
They noted that the thermal conductivity of the engine oil multi-wall carbon nanotubes (MWCNTs) nanofluid improved up to 30% with a 2% nanoparticle concentration, as compared to the thermal conductivity of ethylene glycol MWCNT nanofluid at 12.4% with a 1% nanoparticle concentration
Summary
The study of porous medium transport phenomena has been given valuable attention due to its prominence in industrial and engineering applications. The study of fluid flows and heat production of two electrically non-conducting fluids in upward infinitely long plates in the nonexistence of porous media and by applying a magnetic field is concluded by Chamkha [4]. Enhanced thermal conductivity in multi-walled carbon nanotubes (MWCNTs) with two different base fluids, ethylene glycol and engine-oil nanofluids is observed by Liu et al [28] under the influence of nanoparticle concentration. They noted that the thermal conductivity of the engine oil MWCNT nanofluid improved up to 30% with a 2% nanoparticle concentration, as compared to the thermal conductivity of ethylene glycol MWCNT nanofluid at 12.4% with a 1% nanoparticle concentration. The following sections represent the origi of 18 nation of the problem, solving the problem, the consequences and discussion, concluding remarks of significant outcomes
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