Unsteady free convection flow of water-based carbon nanotubes due to non-coaxial rotations of moving disk

Nanofluid is one of the significant developments for having an efficient heat transport process. Its implementation in a non-coaxial rotating system has benefited from designing a mixer machine with two stirrer blades, a cooling fan, and jet engines. This study analytically investigates the free con...

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Autores principales:	Wan Nura’in Nabilah Noranuar, Ahmad Qushairi Mohamad, Sharidan Shafie, Ilas Khan
Formato:	article
Lenguaje:	EN
Publicado:	Tamkang University Press 2021
Materias:	non-coaxial rotation nanofluid carbon nanotubes laplace transform method moving disk Engineering (General). Civil engineering (General) TA1-2040 Chemical engineering TP155-156 Physics QC1-999
Acceso en línea:	https://doaj.org/article/9d883671259e4fef8be28f4d233ffe01
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spelling	oai:doaj.org-article:9d883671259e4fef8be28f4d233ffe012021-11-24T14:17:07ZUnsteady free convection flow of water-based carbon nanotubes due to non-coaxial rotations of moving disk10.6180/jase.202206_25(3).00052708-99672708-9975https://doaj.org/article/9d883671259e4fef8be28f4d233ffe012021-11-01T00:00:00Zhttp://jase.tku.edu.tw/articles/jase-202206-25-3-0005https://doaj.org/toc/2708-9967https://doaj.org/toc/2708-9975Nanofluid is one of the significant developments for having an efficient heat transport process. Its implementation in a non-coaxial rotating system has benefited from designing a mixer machine with two stirrer blades, a cooling fan, and jet engines. This study analytically investigates the free convection of unsteady non-coaxial rotating nanofluid flow through a moving disk. The suspension of single-wall or multi-wall carbon nanotubes in water is known as the nanofluid in this study. The fluid motion is affected by the effects of rotation and buoyancy forces. Using suitable dimensionless variables, the dimensional coupled partial differential of momentum and energy equations along with their initial and moving boundary conditions are converted into dimensionless form. The expressions for temperature and velocity profiles are obtained by solving governing equations using Laplace transform method. The validity of obtained solution is confirmed by having a good agreement when comparing present results with the published result. The results show that the insertion of CNTs particles into the rotating water causes the temperature and velocity profiles to increase. The amount of heat transferred by SWCNTs is greater than MWCNTs. Increasing CNTs particles have descended both primary and secondary skin friction but increased Nusselt number. Further analysis with the help of pictorial discussion for the fluid flows and heat transfer under the influences of nanoparticle volume fraction, Grashof number, the amplitude of disk, and time is carried out.Wan Nura’in Nabilah NoranuarAhmad Qushairi MohamadSharidan ShafieIlas KhanTamkang University Pressarticlenon-coaxial rotationnanofluidcarbon nanotubeslaplace transform methodmoving diskEngineering (General). Civil engineering (General)TA1-2040Chemical engineeringTP155-156PhysicsQC1-999ENJournal of Applied Science and Engineering, Vol 25, Iss 3, Pp 401-410 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	non-coaxial rotation nanofluid carbon nanotubes laplace transform method moving disk Engineering (General). Civil engineering (General) TA1-2040 Chemical engineering TP155-156 Physics QC1-999
spellingShingle	non-coaxial rotation nanofluid carbon nanotubes laplace transform method moving disk Engineering (General). Civil engineering (General) TA1-2040 Chemical engineering TP155-156 Physics QC1-999 Wan Nura’in Nabilah Noranuar Ahmad Qushairi Mohamad Sharidan Shafie Ilas Khan Unsteady free convection flow of water-based carbon nanotubes due to non-coaxial rotations of moving disk
description	Nanofluid is one of the significant developments for having an efficient heat transport process. Its implementation in a non-coaxial rotating system has benefited from designing a mixer machine with two stirrer blades, a cooling fan, and jet engines. This study analytically investigates the free convection of unsteady non-coaxial rotating nanofluid flow through a moving disk. The suspension of single-wall or multi-wall carbon nanotubes in water is known as the nanofluid in this study. The fluid motion is affected by the effects of rotation and buoyancy forces. Using suitable dimensionless variables, the dimensional coupled partial differential of momentum and energy equations along with their initial and moving boundary conditions are converted into dimensionless form. The expressions for temperature and velocity profiles are obtained by solving governing equations using Laplace transform method. The validity of obtained solution is confirmed by having a good agreement when comparing present results with the published result. The results show that the insertion of CNTs particles into the rotating water causes the temperature and velocity profiles to increase. The amount of heat transferred by SWCNTs is greater than MWCNTs. Increasing CNTs particles have descended both primary and secondary skin friction but increased Nusselt number. Further analysis with the help of pictorial discussion for the fluid flows and heat transfer under the influences of nanoparticle volume fraction, Grashof number, the amplitude of disk, and time is carried out.
format	article
author	Wan Nura’in Nabilah Noranuar Ahmad Qushairi Mohamad Sharidan Shafie Ilas Khan
author_facet	Wan Nura’in Nabilah Noranuar Ahmad Qushairi Mohamad Sharidan Shafie Ilas Khan
author_sort	Wan Nura’in Nabilah Noranuar
title	Unsteady free convection flow of water-based carbon nanotubes due to non-coaxial rotations of moving disk
title_short	Unsteady free convection flow of water-based carbon nanotubes due to non-coaxial rotations of moving disk
title_full	Unsteady free convection flow of water-based carbon nanotubes due to non-coaxial rotations of moving disk
title_fullStr	Unsteady free convection flow of water-based carbon nanotubes due to non-coaxial rotations of moving disk
title_full_unstemmed	Unsteady free convection flow of water-based carbon nanotubes due to non-coaxial rotations of moving disk
title_sort	unsteady free convection flow of water-based carbon nanotubes due to non-coaxial rotations of moving disk
publisher	Tamkang University Press
publishDate	2021
url	https://doaj.org/article/9d883671259e4fef8be28f4d233ffe01
work_keys_str_mv	AT wannurainnabilahnoranuar unsteadyfreeconvectionflowofwaterbasedcarbonnanotubesduetononcoaxialrotationsofmovingdisk AT ahmadqushairimohamad unsteadyfreeconvectionflowofwaterbasedcarbonnanotubesduetononcoaxialrotationsofmovingdisk AT sharidanshafie unsteadyfreeconvectionflowofwaterbasedcarbonnanotubesduetononcoaxialrotationsofmovingdisk AT ilaskhan unsteadyfreeconvectionflowofwaterbasedcarbonnanotubesduetononcoaxialrotationsofmovingdisk
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Unsteady free convection flow of water-based carbon nanotubes due to non-coaxial rotations of moving disk

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