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High-speed schlieren imaging and post-processing for investigation of flame propagation within droplet-vapour-air fuel mixtures

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Bibliographic Details
Main Authors: Shaharin Anwar, Sulaiman, Malcolm, Lawes
Other Authors: shaharin@petronas.com.my
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Instabilities
Laminar
Flames
Optical diagnostics
Sprays
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13618
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spelling my.unimap-136182011-08-25T13:43:45Z High-speed schlieren imaging and post-processing for investigation of flame propagation within droplet-vapour-air fuel mixtures Shaharin Anwar, Sulaiman Malcolm, Lawes shaharin@petronas.com.my Instabilities Laminar Flames Optical diagnostics Sprays Link to publisher's homepage at http://www.myiem.org.my/ Studies in practical spray combustion systems are complex due to the presence of various dependent parameters such as turbulence and inhomogeneity of physical properties of the reactants. Therefore, fundamental aerosol combustion studies are required so that practical combustion of aerosols and sprays can be understood. To another extent, data on laminar burning velocities, which is well known to play an important role in turbulent combustion, is still very scarce particularly for droplet-vapour-air mixtures. Previous researches demonstrated that the presence of liquid droplets in the combustion of aerosol mixtures could influence flame instabilities. These instabilities, which are characterized by cellular and wrinkling flame structures, promote a faster burning rate. Nevertheless, due to the technique and condition of the imaging system available in the past, the critical properties related to flame instabilities, for instance the point of the onset of cellularity, were unclear. In this paper, applications of high-speed schlieren imaging and a digital image processing techniques are presented and discussed. It is shown that the use of a digital camera coupled with an accurate synchronisation system produces better image quality of the flames as compared to the previous techniques. The improved image processing technique is shown to be potential in reducing the processing time and errors. 2011-08-25T13:43:45Z 2011-08-25T13:43:45Z 2008-03 Article The Journal of the Institution of Engineers, Malaysia, vol. 69(1), 2008, pages 53-60 0126-513X http://www.myiem.org.my/content/iem_journal_2008-179.aspx http://hdl.handle.net/123456789/13618 en The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Instabilities
Laminar
Flames
Optical diagnostics
Sprays
spellingShingle Instabilities
Laminar
Flames
Optical diagnostics
Sprays
Shaharin Anwar, Sulaiman
Malcolm, Lawes
High-speed schlieren imaging and post-processing for investigation of flame propagation within droplet-vapour-air fuel mixtures
description Link to publisher's homepage at http://www.myiem.org.my/
author2 shaharin@petronas.com.my
author_facet shaharin@petronas.com.my
Shaharin Anwar, Sulaiman
Malcolm, Lawes
format Article
author Shaharin Anwar, Sulaiman
Malcolm, Lawes
author_sort Shaharin Anwar, Sulaiman
title High-speed schlieren imaging and post-processing for investigation of flame propagation within droplet-vapour-air fuel mixtures
title_short High-speed schlieren imaging and post-processing for investigation of flame propagation within droplet-vapour-air fuel mixtures
title_full High-speed schlieren imaging and post-processing for investigation of flame propagation within droplet-vapour-air fuel mixtures
title_fullStr High-speed schlieren imaging and post-processing for investigation of flame propagation within droplet-vapour-air fuel mixtures
title_full_unstemmed High-speed schlieren imaging and post-processing for investigation of flame propagation within droplet-vapour-air fuel mixtures
title_sort high-speed schlieren imaging and post-processing for investigation of flame propagation within droplet-vapour-air fuel mixtures
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13618
_version_ 1643790939462828032
score 13.222552

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