Lattice Boltzmann simulation of nanofluid in square cavity

In this study, lattice Boltzmann method is applied to investigate the natural convection flows utilizing nanofluids in a square cavity. Al2O3 and CuO water based nanofluids with 1, 3, 5 and 10% nanoparticle volume fraction is used as the fluid. This study has been carried out for the pertinent param...

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Main Author: Masoomzadeh, Reza
Format: Thesis
Language:English
Published: 2013
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Online Access:http://eprints.utm.my/id/eprint/41902/14/RezaMasoomzadehMFKM2013.pdf
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spelling my-utm-ep.419022017-09-12T08:35:49Z Lattice Boltzmann simulation of nanofluid in square cavity 2013-01 Masoomzadeh, Reza TC Hydraulic engineering. Ocean engineering In this study, lattice Boltzmann method is applied to investigate the natural convection flows utilizing nanofluids in a square cavity. Al2O3 and CuO water based nanofluids with 1, 3, 5 and 10% nanoparticle volume fraction is used as the fluid. This study has been carried out for the pertinent parameters in the following ranges: the Rayleigh number of nanofluid, Ra=103, 104 and 105, the volumetric fraction of nanoparticles 1, 3, 5 and 10%, and the aspect ratio (Ar) of the enclosure is 0.5, 1.0 and 2.0. The effects of solid volume fraction of nanofluids on hydrodynamic and thermal characteristics are investigated and discussed. The average and local Nusselt numbers, streamlines, temperature contours and vertical component of velocity for different values of solid volume fraction and Rayleigh number are illustrated. Results show that by increasing Rayleigh number and nanoparticle volume fraction, average Nusselt number increases in whole range of Rayleigh numbers that lead to decreasing thermal boundary layer and enhancement of heat transfer of fluid in the cavity. As expected, Al2O3 with higher heat conductivity has higher Nusselt number with respect to CuO with lower heat conductivity. 2013-01 Thesis http://eprints.utm.my/id/eprint/41902/ http://eprints.utm.my/id/eprint/41902/14/RezaMasoomzadehMFKM2013.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TC Hydraulic engineering
Ocean engineering
spellingShingle TC Hydraulic engineering
Ocean engineering
Masoomzadeh, Reza
Lattice Boltzmann simulation of nanofluid in square cavity
description In this study, lattice Boltzmann method is applied to investigate the natural convection flows utilizing nanofluids in a square cavity. Al2O3 and CuO water based nanofluids with 1, 3, 5 and 10% nanoparticle volume fraction is used as the fluid. This study has been carried out for the pertinent parameters in the following ranges: the Rayleigh number of nanofluid, Ra=103, 104 and 105, the volumetric fraction of nanoparticles 1, 3, 5 and 10%, and the aspect ratio (Ar) of the enclosure is 0.5, 1.0 and 2.0. The effects of solid volume fraction of nanofluids on hydrodynamic and thermal characteristics are investigated and discussed. The average and local Nusselt numbers, streamlines, temperature contours and vertical component of velocity for different values of solid volume fraction and Rayleigh number are illustrated. Results show that by increasing Rayleigh number and nanoparticle volume fraction, average Nusselt number increases in whole range of Rayleigh numbers that lead to decreasing thermal boundary layer and enhancement of heat transfer of fluid in the cavity. As expected, Al2O3 with higher heat conductivity has higher Nusselt number with respect to CuO with lower heat conductivity.
format Thesis
qualification_level Master's degree
author Masoomzadeh, Reza
author_facet Masoomzadeh, Reza
author_sort Masoomzadeh, Reza
title Lattice Boltzmann simulation of nanofluid in square cavity
title_short Lattice Boltzmann simulation of nanofluid in square cavity
title_full Lattice Boltzmann simulation of nanofluid in square cavity
title_fullStr Lattice Boltzmann simulation of nanofluid in square cavity
title_full_unstemmed Lattice Boltzmann simulation of nanofluid in square cavity
title_sort lattice boltzmann simulation of nanofluid in square cavity
granting_institution Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department Faculty of Mechanical Engineering
publishDate 2013
url http://eprints.utm.my/id/eprint/41902/14/RezaMasoomzadehMFKM2013.pdf
_version_ 1747816644773675008