The Effect Of Geometry Configuration On Flame Stabilization In Micro Combustor

The prime motivation to the renewed interest in meso and micro-scale power generation is the limited energy resources and the strong demand of long-lasting power sources for electronics devices. The thermal energy from the micro combustors can be converted into electrical energy. However, the main o...

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Main Author:	Md Nor, Nur Umairah
Format:	Thesis
Language:	English English
Published:	2020
Subjects:	T Technology (General) TJ Mechanical engineering and machinery
Online Access:	http://eprints.utem.edu.my/id/eprint/25489/1/The%20Effect%20Of%20Geometry%20Configuration%20On%20Flame%20Stabilization%20In%20Micro%20Combustor.pdf http://eprints.utem.edu.my/id/eprint/25489/2/The%20Effect%20Of%20Geometry%20Configuration%20On%20Flame%20Stabilization%20In%20Micro%20Combustor.pdf
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id	my-utem-ep.25489
record_format	uketd_dc
institution	Universiti Teknikal Malaysia Melaka
collection	UTeM Repository
language	English English
advisor	Abdul Munir, Fudhail
topic	T Technology (General) TJ Mechanical engineering and machinery
spellingShingle	T Technology (General) TJ Mechanical engineering and machinery Md Nor, Nur Umairah The Effect Of Geometry Configuration On Flame Stabilization In Micro Combustor
description	The prime motivation to the renewed interest in meso and micro-scale power generation is the limited energy resources and the strong demand of long-lasting power sources for electronics devices. The thermal energy from the micro combustors can be converted into electrical energy. However, the main obstacle that limits the use of micro combustor is difficulty in stabilizing flame. This difficulty is mainly related to the substantial heat losses due to large surface area to volume ratio. Hence, purposed of this research focuses mainly on determining the factors that affect the flame stabilization in micro-scale combustors with stainless steel wire mesh. The factors focusing on the geometry configuration of the combustor which are the inner diameter of the combustor and the number of stainless-steel wire mesh. A three-dimensional (3-D) numerical model was developed. Computational Fluid Dynamics (CFD) simulation were then performed using the numerical model. The results of the simulations are analyzed based on the flame stability in the micro combustor. The results show that a few of these factors have significant effect on the flame stability in micro scale combustors. The flame stability can be improved by increasing the inner diameter of the combustor. As for the number of stainless steel wire mesh, when the number of stainless steel wire mesh doubled, the burning velocity of the flame also increase resulting to the more stable flame with in the combustor. These findings are important for future improvement of the proposed micro-scale combustor with wire mesh.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Md Nor, Nur Umairah
author_facet	Md Nor, Nur Umairah
author_sort	Md Nor, Nur Umairah
title	The Effect Of Geometry Configuration On Flame Stabilization In Micro Combustor
title_short	The Effect Of Geometry Configuration On Flame Stabilization In Micro Combustor
title_full	The Effect Of Geometry Configuration On Flame Stabilization In Micro Combustor
title_fullStr	The Effect Of Geometry Configuration On Flame Stabilization In Micro Combustor
title_full_unstemmed	The Effect Of Geometry Configuration On Flame Stabilization In Micro Combustor
title_sort	effect of geometry configuration on flame stabilization in micro combustor
granting_institution	Universiti Teknikal Malaysia Melaka
granting_department	Faculty Of Mechanical Engineering
publishDate	2020
url	http://eprints.utem.edu.my/id/eprint/25489/1/The%20Effect%20Of%20Geometry%20Configuration%20On%20Flame%20Stabilization%20In%20Micro%20Combustor.pdf http://eprints.utem.edu.my/id/eprint/25489/2/The%20Effect%20Of%20Geometry%20Configuration%20On%20Flame%20Stabilization%20In%20Micro%20Combustor.pdf
_version_	1747834132330708992
spelling	my-utem-ep.254892022-01-06T11:32:13Z The Effect Of Geometry Configuration On Flame Stabilization In Micro Combustor 2020 Md Nor, Nur Umairah T Technology (General) TJ Mechanical engineering and machinery The prime motivation to the renewed interest in meso and micro-scale power generation is the limited energy resources and the strong demand of long-lasting power sources for electronics devices. The thermal energy from the micro combustors can be converted into electrical energy. However, the main obstacle that limits the use of micro combustor is difficulty in stabilizing flame. This difficulty is mainly related to the substantial heat losses due to large surface area to volume ratio. Hence, purposed of this research focuses mainly on determining the factors that affect the flame stabilization in micro-scale combustors with stainless steel wire mesh. The factors focusing on the geometry configuration of the combustor which are the inner diameter of the combustor and the number of stainless-steel wire mesh. A three-dimensional (3-D) numerical model was developed. Computational Fluid Dynamics (CFD) simulation were then performed using the numerical model. The results of the simulations are analyzed based on the flame stability in the micro combustor. The results show that a few of these factors have significant effect on the flame stability in micro scale combustors. The flame stability can be improved by increasing the inner diameter of the combustor. As for the number of stainless steel wire mesh, when the number of stainless steel wire mesh doubled, the burning velocity of the flame also increase resulting to the more stable flame with in the combustor. These findings are important for future improvement of the proposed micro-scale combustor with wire mesh. 2020 Thesis http://eprints.utem.edu.my/id/eprint/25489/ http://eprints.utem.edu.my/id/eprint/25489/1/The%20Effect%20Of%20Geometry%20Configuration%20On%20Flame%20Stabilization%20In%20Micro%20Combustor.pdf text en public http://eprints.utem.edu.my/id/eprint/25489/2/The%20Effect%20Of%20Geometry%20Configuration%20On%20Flame%20Stabilization%20In%20Micro%20Combustor.pdf text en validuser https://plh.utem.edu.my/cgi-bin/koha/opac-detail.pl?biblionumber=118374 mphil masters Universiti Teknikal Malaysia Melaka Faculty Of Mechanical Engineering Abdul Munir, Fudhail 1. Aono, H., Yamakawa, S., Iwamura, K., Honami, S., & Ishikawa, H. (2017). Straight and curved type micro dielectric barrier discharge plasma actuators for active flow control. Experimental Thermal and Fluid Science, 88,16-23. doi:https://doi.org/10.1016/j.expthermflusci.2017.05.005 2. Aravind, B., Khandelwal, B., Ramakrishna, P. 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The Effect Of Geometry Configuration On Flame Stabilization In Micro Combustor

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