Rotating Flow and Heat Transfer of Single-Wall Carbon Nanotube and Multi-Wall Carbon Nanotube Hybrid Nanofluid with Base Fluid Water over a Stretching Sheet

Syed Muhammad Ali Haider, Bagh Ali, Qiuwang Wang and Cunlu Zhao ()
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Syed Muhammad Ali Haider: MOE Key Laboratory of Thermo-Fluid Science and Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Bagh Ali: Department of Applied Mathematics, Northwestern Polytechnical University, Xi’an 710129, China
Qiuwang Wang: MOE Key Laboratory of Thermo-Fluid Science and Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Cunlu Zhao: MOE Key Laboratory of Thermo-Fluid Science and Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China

Energies, 2022, vol. 15, issue 16, 1-13

Abstract: In this article, numerical simulations of the rotational flow of water-based magnetohydrodynamic (MHD) nanofluid containing single-wall carbon nanotube (SWCNT) and hybrid nanofluid containing single- and multiple-wall carbon nanotube (SWCNT-MWCNT) over a stretching sheet are performed. The primary goal is to improve thermal transport efficiency due to CNTs extraordinary thermal conductivity. The 3D governing equations for microorganism concentration, energy, momentum, concentration, and mass conservation are transformed into 1D ordinary differentiation via similarity transformations. In a MATLAB environment, the resultant system of equations (ODEs) are then solved using Runge–Kutta fourth order with the shooting process. Tables and graphs were used to show the results of physical parameters. According to our findings, enhancing the rotational parameter λ and the magnetic field M reduce the base fluid velocity along the x -axis, and on the other hand, the opposite tendency is shown along the y -axis. Furthermore, the velocities, temperature, and microorganism concentration profiles of hybrid nanofluid ( S W C N T − M W C N T / H 2 O ) are found to be higher than those of mono nanofluid ( H 2 O + S W C N T ), while the concentration profile is found to be lower.

Keywords: magnetohydrodynamic (MHD); hybrid nano fluid; single-wall carbon nanotube (SWCNT); rotating flow; multi-wall carbon nanotube (MWCNT) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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