International Journal of Automotive Engineering
Online ISSN : 2185-0992
Print ISSN : 2185-0984
ISSN-L : 2185-0992
Research Paper
Propagation Properties of Turbulent Premixed Flames Neutral for Thermo-Diffusive Effects
Toshiaki KitagawaHiroaki WatanabeRyou NishiyamaRiou SonokawaKenichi Shinoda
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JOURNALS OPEN ACCESS

2020 Volume 11 Issue 3 Pages 101-107

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Abstract

Burning velocity is one of the important properties of premixed turbulent flames. Premixed turbulent flames are, in general, subjected to the thermo-diffusive effects in addition to the increase in the flame front area due to the influence of turbulence. In order to independently evaluate these two effects on turbulent flames and their burning velocity, ethane flames, which have a Lewis number around unity and can therefore be considered insensitive to the thermo-diffusive effects, were examined. Flame front morphologic properties such as a Fractal dimension were obtained by Fractal analysis of flame front tomography, and burning velocity was obtained by Schlieren technique. A novel correlation of turbulent burning velocity with Fractal properties of flame front was proposed.

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© 2020 Society of Automotive Engineers of Japan, Inc
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