THIN FILM FLOW OF CNTs NANOFLUID OVER A THIN NEEDLE SURFACE

Taza Gul, Malik Zaka Ullah, Khursheed J. Ansari and Iraj S. Amiri
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Taza Gul: Department of Mathematics, City University of Science and Information Technology, Peshawar, Pakistan2Higher Education Department, Khyber Pakhtunkhwa, Peshawar, Pakistan
Malik Zaka Ullah: Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
Khursheed J. Ansari: Department of Mathematics, College of Science, King Khalid University, Abha 61413, Saudi Arabia
Iraj S. Amiri: Computational Optics Research Group, Advanced Institute of Materials Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam6Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam

Surface Review and Letters (SRL), 2020, vol. 27, issue 08, 1-9

Abstract: Energy restoration is the prime issue for the researcher and they have tried to develop advanced techniques and resources for renewable energy. The nanofluid is one of the resources for the restoration of energy which depends on the dynamic thermophysical properties of metal nanoparticles. The recent study is concerned with the thin film flow of carbon nanotubes (CNTs) water-based nanofluid for the improvement of heat transfer applications. The flow of two types of CNTs nanofluid was studied, comprising single-walled carbon nanotube (SWCNT) and multi-walled carbon nanotube (MWCNT) over the surface of a thin stirring needle. The study has been carried out in the presence of a magnetic effect and viscous dissipation. The BVP 2.0 package has been used for the solution of the modeled problem. The effect of the physical constraints like Prandtl number, magnetic field and Eckert number vs the momentum and thermal boundary layers has been analyzed. The sum of the residual errors has been obtained up to the 20th order estimates to settle the strong convergence of the problem. The obtained results show that the thin film has a quick response to the increasing of heat transfer rate over the surface of a thin needle as compared to the thick boundary layers.

Keywords: Thin film; thin needle; SWCNTs/MWCNTs water-based nanofluids; MHD; viscous dissipation; BVPh 2.0 package (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1142/S0218625X19501890

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