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January 24, 2010 | History

Analysis of premixed turbulent flame front images obtained by Mie scattering and laser-induced fluorescence of hydroxyl radicals 1 edition

Analysis of premixed turbulent flame front images obtained by Mie scat ...
Esen Cintosun

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Analysis of premixed turbulent flame front images obtained by Mie scattering and laser-induced fluorescence of hydroxyl radicals.

Published 2006 .
Written in English.

About the Book

The fractal properties, i.e., fractal dimension, and inner and outer cutoffs, of premixed turbulent flames are reported by several investigators. A comparison of the measured fractal dimension data as a function of turbulence intensity show that there are significant discrepancies among the reported results. The primary aim of the work reported here is to re-evaluate the fractal properties of the previously obtained flame front images using four different fractal analysis algorithms. In addition, perimeter ratios and flame thicknesses of flame fronts were calculated and their implications in the context of the flamelet model were discussed. These images had been obtained using experimental techniques of laser-induced fluorescence of OH, and Mie scattering on two Bunsen-type burners with diameters of 11.2 mm and 22.4 mm. For the non-dimensional turbulence intensity range of 0.84 < u'/S L < 7 according to the box counting method of fractal analysis, and for 0.84 < u'/SL < 8 according to the perimeter ratio calculations, it was argued in this study that the flamelet model appears valid. The flame front thicknesses calculated based on the maximum gradient of OH concentrations remained at about 0.5 mm for 0.84 < u'/SL< 15.

Edition Notes

Source: Masters Abstracts International, Volume: 44-06, page: 2866.

Thesis (M.A.Sc.)--University of Toronto, 2006.

Electronic version licensed for access by U. of T. users.

ROBARTS MICROTEXT copy on microfiche.

The Physical Object

Pagination
91 leaves.
Number of pages
91

ID Numbers

Open Library
OL19214554M
ISBN 13
9780494160541

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page