Ferrohydrodynamic and Magnetohydrodynamic Effects on Jet Flow and Heat Transfer of Fe3O4-H2O Nanofluid in a Microchannel Subjected to Permanent Magnets

In the present study, the two-dimensional jet flow of Fe3O4-H2O nanofluid was numerically investigated in a microchannel. The main objective of this article was to study the impact of permanent magnets on both ferromagnetic hydrody...

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Autores principales:	Yunfeng Xie, Changwei Jiang, Peijia Zheng, Zhichao Cao, Minghong Luo
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	nanofluid ferromagnetic hydrodynamics (FHD) numerical simulation jet flow heat transfer Mathematics QA1-939
Acceso en línea:	https://doaj.org/article/8301724e109842ef8233c4d719d51f73
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spelling	oai:doaj.org-article:8301724e109842ef8233c4d719d51f732021-11-25T19:06:21ZFerrohydrodynamic and Magnetohydrodynamic Effects on Jet Flow and Heat Transfer of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O Nanofluid in a Microchannel Subjected to Permanent Magnets10.3390/sym131120512073-8994https://doaj.org/article/8301724e109842ef8233c4d719d51f732021-10-01T00:00:00Zhttps://www.mdpi.com/2073-8994/13/11/2051https://doaj.org/toc/2073-8994In the present study, the two-dimensional jet flow of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O nanofluid was numerically investigated in a microchannel. The main objective of this article was to study the impact of permanent magnets on both ferromagnetic hydrodynamic and thermal behavior. A ferromagnetic hydrodynamic model, which includes the Brown effect and thermophoretic effect, was applied to simulate the problem through solving momentum, energy, and volume fraction equations. In this regard, different results, including the velocity vector, temperature distribution, and Nusselt number, were analyzed. Moreover, the influence of Kelvin force, inlet opening, permanent magnets position, and Reynolds number were studied on the jet flow and heat transfer. The obtained results demonstrate these factors significantly affect the jet flow and heat transfer of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O nanofluid in the microchannel. Moreover, it was found that the magnetic field originating from permanent magnets can effectively solve the problem of local high temperature on the wall at low inlet opening. The heat transfer gain was the most obvious when the position of the permanent magnet was close to the microchannel entrance. When inlet opening and permanent magnets position are 1/4 and 1, respectively, the heat transfer gain was largest, reaching 35.2%.Yunfeng XieChangwei JiangPeijia ZhengZhichao CaoMinghong LuoMDPI AGarticlenanofluidferromagnetic hydrodynamics (FHD)numerical simulationjet flowheat transferMathematicsQA1-939ENSymmetry, Vol 13, Iss 2051, p 2051 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	nanofluid ferromagnetic hydrodynamics (FHD) numerical simulation jet flow heat transfer Mathematics QA1-939
spellingShingle	nanofluid ferromagnetic hydrodynamics (FHD) numerical simulation jet flow heat transfer Mathematics QA1-939 Yunfeng Xie Changwei Jiang Peijia Zheng Zhichao Cao Minghong Luo Ferrohydrodynamic and Magnetohydrodynamic Effects on Jet Flow and Heat Transfer of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O Nanofluid in a Microchannel Subjected to Permanent Magnets
description	In the present study, the two-dimensional jet flow of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O nanofluid was numerically investigated in a microchannel. The main objective of this article was to study the impact of permanent magnets on both ferromagnetic hydrodynamic and thermal behavior. A ferromagnetic hydrodynamic model, which includes the Brown effect and thermophoretic effect, was applied to simulate the problem through solving momentum, energy, and volume fraction equations. In this regard, different results, including the velocity vector, temperature distribution, and Nusselt number, were analyzed. Moreover, the influence of Kelvin force, inlet opening, permanent magnets position, and Reynolds number were studied on the jet flow and heat transfer. The obtained results demonstrate these factors significantly affect the jet flow and heat transfer of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O nanofluid in the microchannel. Moreover, it was found that the magnetic field originating from permanent magnets can effectively solve the problem of local high temperature on the wall at low inlet opening. The heat transfer gain was the most obvious when the position of the permanent magnet was close to the microchannel entrance. When inlet opening and permanent magnets position are 1/4 and 1, respectively, the heat transfer gain was largest, reaching 35.2%.
format	article
author	Yunfeng Xie Changwei Jiang Peijia Zheng Zhichao Cao Minghong Luo
author_facet	Yunfeng Xie Changwei Jiang Peijia Zheng Zhichao Cao Minghong Luo
author_sort	Yunfeng Xie
title	Ferrohydrodynamic and Magnetohydrodynamic Effects on Jet Flow and Heat Transfer of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O Nanofluid in a Microchannel Subjected to Permanent Magnets
title_short	Ferrohydrodynamic and Magnetohydrodynamic Effects on Jet Flow and Heat Transfer of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O Nanofluid in a Microchannel Subjected to Permanent Magnets
title_full	Ferrohydrodynamic and Magnetohydrodynamic Effects on Jet Flow and Heat Transfer of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O Nanofluid in a Microchannel Subjected to Permanent Magnets
title_fullStr	Ferrohydrodynamic and Magnetohydrodynamic Effects on Jet Flow and Heat Transfer of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O Nanofluid in a Microchannel Subjected to Permanent Magnets
title_full_unstemmed	Ferrohydrodynamic and Magnetohydrodynamic Effects on Jet Flow and Heat Transfer of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O Nanofluid in a Microchannel Subjected to Permanent Magnets
title_sort	ferrohydrodynamic and magnetohydrodynamic effects on jet flow and heat transfer of fe<sub>3</sub>o<sub>4</sub>-h<sub>2</sub>o nanofluid in a microchannel subjected to permanent magnets
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8301724e109842ef8233c4d719d51f73
work_keys_str_mv	AT yunfengxie ferrohydrodynamicandmagnetohydrodynamiceffectsonjetflowandheattransferoffesub3subosub4subhsub2subonanofluidinamicrochannelsubjectedtopermanentmagnets AT changweijiang ferrohydrodynamicandmagnetohydrodynamiceffectsonjetflowandheattransferoffesub3subosub4subhsub2subonanofluidinamicrochannelsubjectedtopermanentmagnets AT peijiazheng ferrohydrodynamicandmagnetohydrodynamiceffectsonjetflowandheattransferoffesub3subosub4subhsub2subonanofluidinamicrochannelsubjectedtopermanentmagnets AT zhichaocao ferrohydrodynamicandmagnetohydrodynamiceffectsonjetflowandheattransferoffesub3subosub4subhsub2subonanofluidinamicrochannelsubjectedtopermanentmagnets AT minghongluo ferrohydrodynamicandmagnetohydrodynamiceffectsonjetflowandheattransferoffesub3subosub4subhsub2subonanofluidinamicrochannelsubjectedtopermanentmagnets
_version_	1718410287886893056

Ferrohydrodynamic and Magnetohydrodynamic Effects on Jet Flow and Heat Transfer of Fe<sub>3</sub>O<sub>4</sub>-H<sub>2</sub>O Nanofluid in a Microchannel Subjected to Permanent Magnets

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