Flow and heat transfer analysis on spiral counter flow heat recirculating burner

In order to establish a performance characterization of spiral counter flow heat recirculating burner, an understanding of the chemical kinetics, heat transfer and flow dynamics aspects of the combustor needs to be developed. Research would be focusing on the micro-scaled square spiral counter flow...

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Main Author:	Othman, Muhammad Firdaus
Format:	Thesis
Language:	English
Published:	2006
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.utm.my/id/eprint/9677/1/MuhammadFirdausOthmanMFKM2006.pdf
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id	my-utm-ep.9677
record_format	uketd_dc
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Othman, Muhammad Firdaus Flow and heat transfer analysis on spiral counter flow heat recirculating burner
description	In order to establish a performance characterization of spiral counter flow heat recirculating burner, an understanding of the chemical kinetics, heat transfer and flow dynamics aspects of the combustor needs to be developed. Research would be focusing on the micro-scaled square spiral counter flow configuration which is also known as the â€œSwiss rollâ€? micro-combustor with propane-air mixture as the case study. A two-dimensional Computational Fluid Dynamics (CFD) with propane-air premixed stoichiometric numerical based model is being adopted and focus of the study would be in observing the thermal characteristic (i.e. heat recirculation rate) of the combustor. This is the parameter that characterizes the preheat energy obtained by the incoming reactants through combustion process and its high energy postcombustion products. The performance of the combustor with respect to the thermal characteristic is being analyzed at a range of 40<Re<1000 steady, laminar and incompressible fluid flow velocity profile. In addition, a parametric study on identifying the effect of different geometrical aspect ratio between channel wall thickness to channel width is also being envisaged. Analysis has shown that a heat recirculation method has managed to produce an excess enthalpy flame beyond the adiabatic flame temperature which leads towards extending the limitation of the combustion process feasibility in a miniaturization of a combustor system.
format	Thesis
qualification_level	Master's degree
author	Othman, Muhammad Firdaus
author_facet	Othman, Muhammad Firdaus
author_sort	Othman, Muhammad Firdaus
title	Flow and heat transfer analysis on spiral counter flow heat recirculating burner
title_short	Flow and heat transfer analysis on spiral counter flow heat recirculating burner
title_full	Flow and heat transfer analysis on spiral counter flow heat recirculating burner
title_fullStr	Flow and heat transfer analysis on spiral counter flow heat recirculating burner
title_full_unstemmed	Flow and heat transfer analysis on spiral counter flow heat recirculating burner
title_sort	flow and heat transfer analysis on spiral counter flow heat recirculating burner
granting_institution	Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department	Faculty of Mechanical Engineering
publishDate	2006
url	http://eprints.utm.my/id/eprint/9677/1/MuhammadFirdausOthmanMFKM2006.pdf
_version_	1747814774946660352
spelling	my-utm-ep.96772018-09-17T03:46:51Z Flow and heat transfer analysis on spiral counter flow heat recirculating burner 2006-07 Othman, Muhammad Firdaus TJ Mechanical engineering and machinery In order to establish a performance characterization of spiral counter flow heat recirculating burner, an understanding of the chemical kinetics, heat transfer and flow dynamics aspects of the combustor needs to be developed. Research would be focusing on the micro-scaled square spiral counter flow configuration which is also known as the â€œSwiss rollâ€? micro-combustor with propane-air mixture as the case study. A two-dimensional Computational Fluid Dynamics (CFD) with propane-air premixed stoichiometric numerical based model is being adopted and focus of the study would be in observing the thermal characteristic (i.e. heat recirculation rate) of the combustor. This is the parameter that characterizes the preheat energy obtained by the incoming reactants through combustion process and its high energy postcombustion products. The performance of the combustor with respect to the thermal characteristic is being analyzed at a range of 40<Re<1000 steady, laminar and incompressible fluid flow velocity profile. In addition, a parametric study on identifying the effect of different geometrical aspect ratio between channel wall thickness to channel width is also being envisaged. Analysis has shown that a heat recirculation method has managed to produce an excess enthalpy flame beyond the adiabatic flame temperature which leads towards extending the limitation of the combustion process feasibility in a miniaturization of a combustor system. 2006-07 Thesis http://eprints.utm.my/id/eprint/9677/ http://eprints.utm.my/id/eprint/9677/1/MuhammadFirdausOthmanMFKM2006.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:54851 masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering [1] Hua, J., Wu, M. and Kumar, K. Numerical Simulation of the Combustion of Hydrogen-air Mixture in Micro-scaled Chambers. Part I: Fundamental Study. Chemical Engineering Sciences, 2005. 60: 3497-3506. [2] Sitzki, L., Borer, K., Schuster, E., Ronney, P. and Wussow, S. Combustion in Microscale Heat-recirculating Burner. The 3rd Asia-Pacific Conf. on Combustion. June 24-27, 2001. Seoul, Korea. [3] Chen, M. and Buckmaster, J. Modelling of Combustion and Heat Transfer in â€œSwiss rollâ€? Micro-scale Combustors. Combust. Theory Modelling, 2004. 8: 701- 720. [4] Shinoda, M., Maihara, R., Kobayashi, N., Arai, N. and Churchill, S.W. The Characteristics of a Heat-recirculating Ceramic Burner. Chemical Engineering Journal, 1998. 71: 207-212. [5] Ahn, J., Eastwood, C., Sitzki, L. and Ronney, P. Gas-phase and Catalytic Combustion in Heat-recirculating Burners. Proc. Combust. Inst., 2005. 30: 2463- 2472. [6] Hua, J., Wu, M. and Kumar, K. Numerical Simulation of the Combustion of Hydrogen-air Mixture in Micro-scaled Chambers. Part II: CFD Analysis for a Micro-combustor. Chemical Engineering Sciences, 2005. 60: 3507-3515. [7] Turns, S.R. An Introduction to Combustion: Concepts and Applications. 2nd. ed. Singapore: McGraw-Hill. 2000 [8] Wahid, M.A. Combustion Process. Class Notes (SMJ 5493). Universiti Teknologi Malaysia; 2005 [9] Yuasa, S., Oshimi, K., Nose, H. and Tennichi, Y. Concept and Combustion Characteristics of Ultra-micro Combustors with Premixed Flame. Proc. Combust. Inst., 2005. 30: 2455-2462. [10] Spadaccini, C.M., Zhang, X., Cadou, C.P., Miki, N. and Waitz, I. A. Preliminary Development of a Hydrocarbon-fueled Catalytic Micro-combustor. Sensors and Actuators, 2003. 103: 219-224. [11] Shan, X.C., Wang, Z.F., Jin, Y.F., Wu, M., Hua, J., Wong, C.K. and Maeda, R. Studies on a Micro Combustor for Gas Turbine Engines. J. Micromech. Microeng., 2005. 15: S215-S221. [12] Ronney, P.D. Analysis of Non-adiabatic Heat-recirculating Combustors. Combust. and Flame, 2003. 135: 421-439. [13] Leach, T.T. and Cadou, C.P. The Role of Structural Heat Exchange and Heat Loss in the Design of Efficient Silicon Micro-combustors. Proc. Combust. Inst., 2005. 30: 2337-2444. [14]Fluent Inc. Fluent Manual. Lebanon, N.H (USA). 2003.

Flow and heat transfer analysis on spiral counter flow heat recirculating burner

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