Abstract
Objectives: To obtain the results of the computational analysis of three-dimensional Darcy-Forchheimer flow concerning the hall current and Joule heating with Arrhenius activation energy explored using single-wall carbon nanotube and multi-wall carbon nanotube. Methods: The flow equations are modified to a nonlinear system of ordinary differential equations with adequate self-similarity functions. The solution to the modified system is evaluated by numerical techniques with python coding. Findings: In this study, the outcomes of engineering parameters are evaluated numerically. Influence of governing parameters on momentum, thermal, and concentration boundary layers are depicted graphically with different base fluids explored with single and multi-wall carbon nanotubes under Darcy -Forchheimer flow of nanofluid. Novelty : A favorable comparison is performed with previously available outcomes. The achieved results are almost like solutions obtained by other researchers. Carbon nanotubes are additionally used in an incredible range of applications in electronic, structural engineering, biomedical, energy management, and chemical processing. Keywords Activation energy, hall current with ion slip, joule heating, carbon nanotube, python
Highlights
Carbon Nanotubes are the only atomically thick tubes formed by a graphite layer enclosing hexagonal carbon atoms
A numerical spatial simulation of the Darcy –Forchhiemer flow explored with single wall carbon nanotube (SWCNT) and multi wall carbon nanotube (MWCNT) on stretching in the presence of Joule heating, hall current with ion slip, and activation energy are carried out
The flow generating equations are converted into a system of coupled nonlinear ODEs and are solved numerically with python coding
Summary
Carbon Nanotubes are the only atomically thick tubes formed by a graphite layer enclosing hexagonal carbon atoms. The folding direction of the graphite foil is determined by the chiral vector Ch (n, m), so CNTs can be divided into chiral nanotubes (n, m), zigzag nanotubes (n, 0), and chair nanotubes (n, n). Carbon nanotubes have become one of the most studied materials in the past decade due to their promising mechanical, electrical, and thermal properties. Single wall nanotubes (SWCNT) contain a cylinder, while multilayer nanotubes (MWCNT) have multiple concentric cylinders separated by almost equal distances because van der Wall’s graphite plates are stacked on top of each other. Nanofluid is an innovative type of resolution, which is provided by dispersing nanoscale materials (nanoparticles, nanofibers, nanotubes, nanowires, nanorods, nanofilters or droplets) in a base fluid.
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