LBM-MRT simulation of vertical flow of a non-Newtonian fluid in a channel provided with obstacles

Forced convection heat transfer in channels with a block has been studied numerically. The vertical walls are differentially heated. The Lattice Boltzmann Method with multiple relaxation time (MRT) has been used to solve numerically the momentum and the heat transfer governing equations. This study...

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Autores principales:	Belaidi Mohammed Amokrane, Nasseri Lyes, Nebbali Rachid, Himrane Nabil, Ameziani Djamel Eddine
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/702d3684aa6349aeb2bf259e790699c8
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spelling	oai:doaj.org-article:702d3684aa6349aeb2bf259e790699c82021-11-12T11:44:34ZLBM-MRT simulation of vertical flow of a non-Newtonian fluid in a channel provided with obstacles2267-124210.1051/e3sconf/202132104006https://doaj.org/article/702d3684aa6349aeb2bf259e790699c82021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/97/e3sconf_icchmt2021_04006.pdfhttps://doaj.org/toc/2267-1242Forced convection heat transfer in channels with a block has been studied numerically. The vertical walls are differentially heated. The Lattice Boltzmann Method with multiple relaxation time (MRT) has been used to solve numerically the momentum and the heat transfer governing equations. This study details the effects of variations in the Reynolds number, Rayleigh number, and behavior index of fluid, to illustrate important fundamental and practical results. The results show that the recirculation caused by porous-covering block will significantly enhance the heat transfer rate on both top and right faces of second and subsequent blocks. In order to better understand the different elements of the study, we first analyzed the flow in a channel without obstacles in order to understand the behavior of non-Newtonian fluids. in such situations, we have observed that the speed profiles at establishment are essentially dependent on the behavior index, while the heat transfers are proportional to the Reynolds and Prandtl numbers but inversely to the behavior index.Belaidi Mohammed AmokraneNasseri LyesNebbali RachidHimrane NabilAmeziani Djamel EddineEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 321, p 04006 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Belaidi Mohammed Amokrane Nasseri Lyes Nebbali Rachid Himrane Nabil Ameziani Djamel Eddine LBM-MRT simulation of vertical flow of a non-Newtonian fluid in a channel provided with obstacles
description	Forced convection heat transfer in channels with a block has been studied numerically. The vertical walls are differentially heated. The Lattice Boltzmann Method with multiple relaxation time (MRT) has been used to solve numerically the momentum and the heat transfer governing equations. This study details the effects of variations in the Reynolds number, Rayleigh number, and behavior index of fluid, to illustrate important fundamental and practical results. The results show that the recirculation caused by porous-covering block will significantly enhance the heat transfer rate on both top and right faces of second and subsequent blocks. In order to better understand the different elements of the study, we first analyzed the flow in a channel without obstacles in order to understand the behavior of non-Newtonian fluids. in such situations, we have observed that the speed profiles at establishment are essentially dependent on the behavior index, while the heat transfers are proportional to the Reynolds and Prandtl numbers but inversely to the behavior index.
format	article
author	Belaidi Mohammed Amokrane Nasseri Lyes Nebbali Rachid Himrane Nabil Ameziani Djamel Eddine
author_facet	Belaidi Mohammed Amokrane Nasseri Lyes Nebbali Rachid Himrane Nabil Ameziani Djamel Eddine
author_sort	Belaidi Mohammed Amokrane
title	LBM-MRT simulation of vertical flow of a non-Newtonian fluid in a channel provided with obstacles
title_short	LBM-MRT simulation of vertical flow of a non-Newtonian fluid in a channel provided with obstacles
title_full	LBM-MRT simulation of vertical flow of a non-Newtonian fluid in a channel provided with obstacles
title_fullStr	LBM-MRT simulation of vertical flow of a non-Newtonian fluid in a channel provided with obstacles
title_full_unstemmed	LBM-MRT simulation of vertical flow of a non-Newtonian fluid in a channel provided with obstacles
title_sort	lbm-mrt simulation of vertical flow of a non-newtonian fluid in a channel provided with obstacles
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/702d3684aa6349aeb2bf259e790699c8
work_keys_str_mv	AT belaidimohammedamokrane lbmmrtsimulationofverticalflowofanonnewtonianfluidinachannelprovidedwithobstacles AT nasserilyes lbmmrtsimulationofverticalflowofanonnewtonianfluidinachannelprovidedwithobstacles AT nebbalirachid lbmmrtsimulationofverticalflowofanonnewtonianfluidinachannelprovidedwithobstacles AT himranenabil lbmmrtsimulationofverticalflowofanonnewtonianfluidinachannelprovidedwithobstacles AT amezianidjameleddine lbmmrtsimulationofverticalflowofanonnewtonianfluidinachannelprovidedwithobstacles
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LBM-MRT simulation of vertical flow of a non-Newtonian fluid in a channel provided with obstacles

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