Abstract
In this research work, a 3D rotating flow of carbon nanotubes (CNTs) over a porous stretchable sheet for heat and mass transfer is investigated. Kerosene oil is considered as a base liquid and two types of CNTs, (Single & Multi) WCNTs are added as the additives to the base liquid. The present analysis further comprises the combined effect of the Hall, ion-slip, and thermal radiation, along with heat generation/absorption. The appropriate ordinary differential system of equations after applying appropriate transformation is calculated. The resulting nonlinear system of equations (conservation of mass, momentum, temperature) is explained by HAM (Homotopy Analysis Method). Solution of velocities and thermal fields are obtained and discussed graphically. Expression of and are intended for both type of nanoliquids. The influences of prominent physical factors are plotted for velocities and thermal profiles using Methematica. These graphical results are qualitatively in excellent agreement with the previous published results. Also, single wall nanoparticles are found to have higher temperatures than multi wall CNTs nanoparticles.
Highlights
Heat transport phenomena plays a significant role in several chemical, biological, and mechanical processes
From the assessment of graphs displays that the velocity of SWCNT is rapidly reduce in magnitude that of MWCNTs
The analysis of the graphs shows that the velocity of SWCNT is noticeably faster that of the MWCNTs nanoparticles
Summary
Heat transport phenomena plays a significant role in several chemical, biological, and mechanical processes. There are numerous techniques present in the literature to alleviate the problems caused by the heat exchange and thermal efficiency of common liquids. There are various real-life functioning liquids such as oils, H2 O (water), and C2 H6 O2 (ethylene glycol) that have comparatively weak thermal conductivities in contrast to solids. To improve the thermal efficiency of these common liquids, fine and tiny type solids materials are used. These tiny form materials are called nanoparticles. Nanofluid, characterized by a significant increase in thermal conductivity compared to conventional engineered fluid [1], is found to serve in a number of engineering applications, such as porous materials [2], the fuel-cell industry [3], petroleum engineering [4], etc. Gireesha and Ramesh [8]
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