Development of finite different lattice boltzmann scheme for the computation of natural convection heat transfer

This thesis presents a numerical study of flow behavior from a heated concentric annulus cylinder at various Rayleigh number Ra, Prandtl number Pr and aspect ratio of the outer and inner cylinders. The finite different lattice Boltzmann method (FDLBM) numerical scheme is developed to improve the...

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Main Author:	Osman, Shahrul Azmir
Format:	Thesis
Language:	English
Published:	2009
Subjects:	QC Physics
Online Access:	http://eprints.uthm.edu.my/3998/1/24p%20SHAHRUL%20AZMIR%20OSMAN.pdf
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spelling	my-uthm-ep.39982022-02-03T02:14:02Z Development of finite different lattice boltzmann scheme for the computation of natural convection heat transfer 2009-11 Osman, Shahrul Azmir QC Physics QC170-197 Atomic physics. Constitution and properties of matter. Including molecular physics, relativity, quantum theory, and solid state physics This thesis presents a numerical study of flow behavior from a heated concentric annulus cylinder at various Rayleigh number Ra, Prandtl number Pr and aspect ratio of the outer and inner cylinders. The finite different lattice Boltzmann method (FDLBM) numerical scheme is developed to improve the computational efficiency and numerical stability of the conventional method. The proposed FDLBM applied UTOPIA approach (third order accuracy in space) to study the temperature distribution and the vortex formation in the annulus. D2Q9 velocity model was coupled with D2Q4 velocity model to represent the density and internal energy distribution function respectively. The comparison of the flow pattern and temperature distribution for every case via streamline, vortices and temperature distribution contour with published paper in literature were carried out for the validation purposes. Current investigation concluded that the UTOPIA FDLBM is an efficient approach for the current problem in hand and good agreement with the benchmark solution 2009-11 Thesis http://eprints.uthm.edu.my/3998/ http://eprints.uthm.edu.my/3998/1/24p%20SHAHRUL%20AZMIR%20OSMAN.pdf text en public mphil masters Universiti Teknologi Malaysia Fakulti Kejuruteraan Mekanikal
institution	Universiti Tun Hussein Onn Malaysia
collection	UTHM Institutional Repository
language	English
topic	QC Physics QC Physics
spellingShingle	QC Physics QC Physics Osman, Shahrul Azmir Development of finite different lattice boltzmann scheme for the computation of natural convection heat transfer
description	This thesis presents a numerical study of flow behavior from a heated concentric annulus cylinder at various Rayleigh number Ra, Prandtl number Pr and aspect ratio of the outer and inner cylinders. The finite different lattice Boltzmann method (FDLBM) numerical scheme is developed to improve the computational efficiency and numerical stability of the conventional method. The proposed FDLBM applied UTOPIA approach (third order accuracy in space) to study the temperature distribution and the vortex formation in the annulus. D2Q9 velocity model was coupled with D2Q4 velocity model to represent the density and internal energy distribution function respectively. The comparison of the flow pattern and temperature distribution for every case via streamline, vortices and temperature distribution contour with published paper in literature were carried out for the validation purposes. Current investigation concluded that the UTOPIA FDLBM is an efficient approach for the current problem in hand and good agreement with the benchmark solution
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Osman, Shahrul Azmir
author_facet	Osman, Shahrul Azmir
author_sort	Osman, Shahrul Azmir
title	Development of finite different lattice boltzmann scheme for the computation of natural convection heat transfer
title_short	Development of finite different lattice boltzmann scheme for the computation of natural convection heat transfer
title_full	Development of finite different lattice boltzmann scheme for the computation of natural convection heat transfer
title_fullStr	Development of finite different lattice boltzmann scheme for the computation of natural convection heat transfer
title_full_unstemmed	Development of finite different lattice boltzmann scheme for the computation of natural convection heat transfer
title_sort	development of finite different lattice boltzmann scheme for the computation of natural convection heat transfer
granting_institution	Universiti Teknologi Malaysia
granting_department	Fakulti Kejuruteraan Mekanikal
publishDate	2009
url	http://eprints.uthm.edu.my/3998/1/24p%20SHAHRUL%20AZMIR%20OSMAN.pdf
_version_	1747831046751125504

Development of finite different lattice boltzmann scheme for the computation of natural convection heat transfer

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