Numerical Investigation of the Cooling of Shear Thinning Fluids in Cylindrical Horizontal Ducts

The present paper is an investigation of the cooling of hot shear thinning fluids flowing through cylindrical pipes. The study is achieved via numerical simulations with the help of the computer code CFX, which is based on the finite volume method to solve the governing equations. The efficiency of...

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Autores principales:	Houari Ameur, Youcef Kamla, Djamel Sahel
Formato:	article
Lenguaje:	EN
Publicado:	Pouyan Press 2018
Materias:	heat exchanger cooling of complex fluids cylindrical pipe semi-circular baffles counter flow Computer engineering. Computer hardware TK7885-7895
Acceso en línea:	https://doaj.org/article/d017263efebb41ab8c902c4b2fc1f015
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id	oai:doaj.org-article:d017263efebb41ab8c902c4b2fc1f015
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spelling	oai:doaj.org-article:d017263efebb41ab8c902c4b2fc1f0152021-11-11T11:51:41ZNumerical Investigation of the Cooling of Shear Thinning Fluids in Cylindrical Horizontal Ducts2588-695910.22115/cepm.2018.148483.1047https://doaj.org/article/d017263efebb41ab8c902c4b2fc1f0152018-10-01T00:00:00Zhttp://www.jcepm.com/article_82854_394078b30dc17d4d47f1cac53dbea922.pdfhttps://doaj.org/toc/2588-6959The present paper is an investigation of the cooling of hot shear thinning fluids flowing through cylindrical pipes. The study is achieved via numerical simulations with the help of the computer code CFX, which is based on the finite volume method to solve the governing equations. The efficiency of two techniques for achieving the cooling process is investigated, namely: the counter flow and the baffling techniques. In the first part and for the first strategy, the hot fluids are cooled by an external turbulent counter flow of a Newtonian liquid. In the second part and in an attempt to enhance the energy efficiency of the heat exchanger system, semi-circular baffles are inserted. We note that two strategies are used in combination in the second part of study. Effects of the flow rates and the pitch ratio of the inserted baffles on the flow and thermal fields are explored. The obtained results show a great enhancement of heat transfer rates when using both strategies in combination.Houari AmeurYoucef KamlaDjamel SahelPouyan Pressarticleheat exchangercooling of complex fluidscylindrical pipesemi-circular bafflescounter flowComputer engineering. Computer hardwareTK7885-7895ENComputational Engineering and Physical Modeling, Vol 1, Iss 4, Pp 53-61 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	heat exchanger cooling of complex fluids cylindrical pipe semi-circular baffles counter flow Computer engineering. Computer hardware TK7885-7895
spellingShingle	heat exchanger cooling of complex fluids cylindrical pipe semi-circular baffles counter flow Computer engineering. Computer hardware TK7885-7895 Houari Ameur Youcef Kamla Djamel Sahel Numerical Investigation of the Cooling of Shear Thinning Fluids in Cylindrical Horizontal Ducts
description	The present paper is an investigation of the cooling of hot shear thinning fluids flowing through cylindrical pipes. The study is achieved via numerical simulations with the help of the computer code CFX, which is based on the finite volume method to solve the governing equations. The efficiency of two techniques for achieving the cooling process is investigated, namely: the counter flow and the baffling techniques. In the first part and for the first strategy, the hot fluids are cooled by an external turbulent counter flow of a Newtonian liquid. In the second part and in an attempt to enhance the energy efficiency of the heat exchanger system, semi-circular baffles are inserted. We note that two strategies are used in combination in the second part of study. Effects of the flow rates and the pitch ratio of the inserted baffles on the flow and thermal fields are explored. The obtained results show a great enhancement of heat transfer rates when using both strategies in combination.
format	article
author	Houari Ameur Youcef Kamla Djamel Sahel
author_facet	Houari Ameur Youcef Kamla Djamel Sahel
author_sort	Houari Ameur
title	Numerical Investigation of the Cooling of Shear Thinning Fluids in Cylindrical Horizontal Ducts
title_short	Numerical Investigation of the Cooling of Shear Thinning Fluids in Cylindrical Horizontal Ducts
title_full	Numerical Investigation of the Cooling of Shear Thinning Fluids in Cylindrical Horizontal Ducts
title_fullStr	Numerical Investigation of the Cooling of Shear Thinning Fluids in Cylindrical Horizontal Ducts
title_full_unstemmed	Numerical Investigation of the Cooling of Shear Thinning Fluids in Cylindrical Horizontal Ducts
title_sort	numerical investigation of the cooling of shear thinning fluids in cylindrical horizontal ducts
publisher	Pouyan Press
publishDate	2018
url	https://doaj.org/article/d017263efebb41ab8c902c4b2fc1f015
work_keys_str_mv	AT houariameur numericalinvestigationofthecoolingofshearthinningfluidsincylindricalhorizontalducts AT youcefkamla numericalinvestigationofthecoolingofshearthinningfluidsincylindricalhorizontalducts AT djamelsahel numericalinvestigationofthecoolingofshearthinningfluidsincylindricalhorizontalducts
_version_	1718439168357433344

Numerical Investigation of the Cooling of Shear Thinning Fluids in Cylindrical Horizontal Ducts

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