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Influence of various geometrical shapes on mixed convection through an open-cell aluminium foam filled with nanofluid

Mixed convection heat transfer and fluid flow through an open-cell aluminium foam around various heat source shapes with constant heat flux inside rectangular horizontal channel, filled with nanofluid is numerically investigated. An open-cell aluminium foam is made of alloy 6101-T6 with porosity 93%...

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Main Authors: Mahdi R.A., Mohammed H.A., Munisamy K.M., Saeid N.H.
Other Authors: 56081319100
Format: Article
Published: 2023
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spelling my.uniten.dspace-218942023-05-16T10:45:55Z Influence of various geometrical shapes on mixed convection through an open-cell aluminium foam filled with nanofluid Mahdi R.A. Mohammed H.A. Munisamy K.M. Saeid N.H. 56081319100 15837504600 15035918600 6602519171 Mixed convection heat transfer and fluid flow through an open-cell aluminium foam around various heat source shapes with constant heat flux inside rectangular horizontal channel, filled with nanofluid is numerically investigated. An open-cell aluminium foam is made of alloy 6101-T6 with porosity 93% and pore densities (10,40) PPI. Nanofluid with three different types of nanoparticles, aluminium oxide (Al2O3), copper oxide (CuO) and silicon dioxide (SiO2) with volume fraction of 4% and nanoparticle diameter of (25 nm) dispersed in water are used. Four models of cylindrical shapes are employed as test sections: (model 1) aluminium foam is around a rectangular cylinder (? = 90°),(model 2) the aluminium foam is around a trapezoidal cylinder shape (? = 82.875°), (model 3) aluminium foam is around a trapezoidal cylinder shape (? = 75.964°) and (model 4) the aluminium foam is around the triangular cylinder shape (? = 63.435°). In all models, the heat flux is 300 W/m2 and, aluminium foam length of (5 cm) is used with Reynolds number range of (200-600). The governing equations continuity, momentum and energy are solved by using the Finite-volume method (FVM). The effects of aluminium foam, nanofluid properties and Reynolds number on the Nusselt number and friction factor values, with four models in a rectangular horizontal channel are investigated. The results have shown that higher average Nusselt number is obtained with the use of nanofluid (water+SiO2) and 40PPI aluminium foam pore density at higher Reynolds number with model (4). Low friction factor is obtained with the use of nanofluid (water+SiO2) and 10PPI aluminium foam pore density at higher Reynolds number with model (4). Average Nusselt number increases and friction factor decreases when Reynolds number value increases with all models. Copyright © 2014 American Scientific Publishers. Final 2023-05-16T02:45:55Z 2023-05-16T02:45:55Z 2014 Article 10.1166/jctn.2014.3494 2-s2.0-84896776025 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84896776025&doi=10.1166%2fjctn.2014.3494&partnerID=40&md5=68a574215873f132b4a5b4aad76e1a87 https://irepository.uniten.edu.my/handle/123456789/21894 11 5 1275 1289 Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
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country Malaysia
content_provider Universiti Tenaga Nasional
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description Mixed convection heat transfer and fluid flow through an open-cell aluminium foam around various heat source shapes with constant heat flux inside rectangular horizontal channel, filled with nanofluid is numerically investigated. An open-cell aluminium foam is made of alloy 6101-T6 with porosity 93% and pore densities (10,40) PPI. Nanofluid with three different types of nanoparticles, aluminium oxide (Al2O3), copper oxide (CuO) and silicon dioxide (SiO2) with volume fraction of 4% and nanoparticle diameter of (25 nm) dispersed in water are used. Four models of cylindrical shapes are employed as test sections: (model 1) aluminium foam is around a rectangular cylinder (? = 90°),(model 2) the aluminium foam is around a trapezoidal cylinder shape (? = 82.875°), (model 3) aluminium foam is around a trapezoidal cylinder shape (? = 75.964°) and (model 4) the aluminium foam is around the triangular cylinder shape (? = 63.435°). In all models, the heat flux is 300 W/m2 and, aluminium foam length of (5 cm) is used with Reynolds number range of (200-600). The governing equations continuity, momentum and energy are solved by using the Finite-volume method (FVM). The effects of aluminium foam, nanofluid properties and Reynolds number on the Nusselt number and friction factor values, with four models in a rectangular horizontal channel are investigated. The results have shown that higher average Nusselt number is obtained with the use of nanofluid (water+SiO2) and 40PPI aluminium foam pore density at higher Reynolds number with model (4). Low friction factor is obtained with the use of nanofluid (water+SiO2) and 10PPI aluminium foam pore density at higher Reynolds number with model (4). Average Nusselt number increases and friction factor decreases when Reynolds number value increases with all models. Copyright © 2014 American Scientific Publishers.
author2 56081319100
author_facet 56081319100
Mahdi R.A.
Mohammed H.A.
Munisamy K.M.
Saeid N.H.
format Article
author Mahdi R.A.
Mohammed H.A.
Munisamy K.M.
Saeid N.H.
spellingShingle Mahdi R.A.
Mohammed H.A.
Munisamy K.M.
Saeid N.H.
Influence of various geometrical shapes on mixed convection through an open-cell aluminium foam filled with nanofluid
author_sort Mahdi R.A.
title Influence of various geometrical shapes on mixed convection through an open-cell aluminium foam filled with nanofluid
title_short Influence of various geometrical shapes on mixed convection through an open-cell aluminium foam filled with nanofluid
title_full Influence of various geometrical shapes on mixed convection through an open-cell aluminium foam filled with nanofluid
title_fullStr Influence of various geometrical shapes on mixed convection through an open-cell aluminium foam filled with nanofluid
title_full_unstemmed Influence of various geometrical shapes on mixed convection through an open-cell aluminium foam filled with nanofluid
title_sort influence of various geometrical shapes on mixed convection through an open-cell aluminium foam filled with nanofluid
publishDate 2023
_version_ 1806425892422942720
score 13.211869

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