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Heat transfer augmentation using nanofluids in an elliptic annulus with constant heat flux boundary condition

This work reports numerical simulation for three dimensional laminar mixed convective heat transfers at different nanofluids flow in an elliptic annulus with constant heat flux. A numerical model is carried out by solving the governing equations of continuity, momentum and energy using the finite vo...

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Main Authors: Dawood, H. K., Mohammed, Hussein A., Munisamy, Kannan M.
格式: Article
语言:English
出版: Elsevier Ltd. 2014
主题:
TJ Mechanical engineering and machinery
在线阅读:http://eprints.utm.my/id/eprint/53024/1/HusseinA.Mohammed2014_Heattransferaugmentationusingnanofluids.pdf
http://eprints.utm.my/id/eprint/53024/
http://dx.doi.org/10.1016/j.csite.2014.06.001
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spelling my.utm.530242018-07-19T07:23:35Z http://eprints.utm.my/id/eprint/53024/ Heat transfer augmentation using nanofluids in an elliptic annulus with constant heat flux boundary condition Dawood, H. K. Mohammed, Hussein A. Munisamy, Kannan M. TJ Mechanical engineering and machinery This work reports numerical simulation for three dimensional laminar mixed convective heat transfers at different nanofluids flow in an elliptic annulus with constant heat flux. A numerical model is carried out by solving the governing equations of continuity, momentum and energy using the finite volume method (FVM) with the assistance of SIMPLE algorithm. Four different types of nanofluids Al2O3, CuO, SiO2 and ZnO, with different nanoparticles size 20, 40, 60 and 80 nm, and different volume fractions ranged from 0% to 4% using water as a base fluid were used. This investigation covers a Reynolds number in the range of 200 to 1000. The results revealed that SiO2-Water nanofluid has the highest Nusselt number, followed by Al2O3-Water, ZnO-Water, CuO-Water, and lastly pure water. The Nusselt number increased as the nanoparticle volume fraction and Reynolds number increased; however, it decreased as the nanoparticle diameter increased. It is found that the glycerine-SiO2 shows the best heat transfer enhancement compared with other tested base fluids. Elsevier Ltd. 2014 Article PeerReviewed application/pdf en http://eprints.utm.my/id/eprint/53024/1/HusseinA.Mohammed2014_Heattransferaugmentationusingnanofluids.pdf Dawood, H. K. and Mohammed, Hussein A. and Munisamy, Kannan M. (2014) Heat transfer augmentation using nanofluids in an elliptic annulus with constant heat flux boundary condition. Case Studies in Thermal Engineering, 4 . pp. 32-41. ISSN 2214-157X http://dx.doi.org/10.1016/j.csite.2014.06.001 DOI: 10.1016/j.csite.2014.06.001
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Dawood, H. K.
Mohammed, Hussein A.
Munisamy, Kannan M.
Heat transfer augmentation using nanofluids in an elliptic annulus with constant heat flux boundary condition
description This work reports numerical simulation for three dimensional laminar mixed convective heat transfers at different nanofluids flow in an elliptic annulus with constant heat flux. A numerical model is carried out by solving the governing equations of continuity, momentum and energy using the finite volume method (FVM) with the assistance of SIMPLE algorithm. Four different types of nanofluids Al2O3, CuO, SiO2 and ZnO, with different nanoparticles size 20, 40, 60 and 80 nm, and different volume fractions ranged from 0% to 4% using water as a base fluid were used. This investigation covers a Reynolds number in the range of 200 to 1000. The results revealed that SiO2-Water nanofluid has the highest Nusselt number, followed by Al2O3-Water, ZnO-Water, CuO-Water, and lastly pure water. The Nusselt number increased as the nanoparticle volume fraction and Reynolds number increased; however, it decreased as the nanoparticle diameter increased. It is found that the glycerine-SiO2 shows the best heat transfer enhancement compared with other tested base fluids.
format Article
author Dawood, H. K.
Mohammed, Hussein A.
Munisamy, Kannan M.
author_facet Dawood, H. K.
Mohammed, Hussein A.
Munisamy, Kannan M.
author_sort Dawood, H. K.
title Heat transfer augmentation using nanofluids in an elliptic annulus with constant heat flux boundary condition
title_short Heat transfer augmentation using nanofluids in an elliptic annulus with constant heat flux boundary condition
title_full Heat transfer augmentation using nanofluids in an elliptic annulus with constant heat flux boundary condition
title_fullStr Heat transfer augmentation using nanofluids in an elliptic annulus with constant heat flux boundary condition
title_full_unstemmed Heat transfer augmentation using nanofluids in an elliptic annulus with constant heat flux boundary condition
title_sort heat transfer augmentation using nanofluids in an elliptic annulus with constant heat flux boundary condition
publisher Elsevier Ltd.
publishDate 2014
url http://eprints.utm.my/id/eprint/53024/1/HusseinA.Mohammed2014_Heattransferaugmentationusingnanofluids.pdf
http://eprints.utm.my/id/eprint/53024/
http://dx.doi.org/10.1016/j.csite.2014.06.001
_version_ 1643653294429569024
score 13.251813

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