Experimental analysis of laser-induced spark ignition of lean turbulent premixed flames
La présente étude montre également l'existence d'un critère commun pour le phénomène
de transition d'allumage: quelles que soient la distance focale de la lentille de focalisation et
la richesse du mélange, une transition d'allumage est observée quand l'écoulement
turbulent atteint un nombre de Karlovitz de l'ordre de 10.© 2012 Académie des sciences.
Published by Elsevier Masson SAS. All rights reserved.
de transition d'allumage: quelles que soient la distance focale de la lentille de focalisation et
la richesse du mélange, une transition d'allumage est observée quand l'écoulement
turbulent atteint un nombre de Karlovitz de l'ordre de 10.© 2012 Académie des sciences.
Published by Elsevier Masson SAS. All rights reserved.
Experimental analysis of laser-induced spark ignition of lean turbulent premixed flames: New insight into ignition transition
Recently, Shy and his co-workers reported a turbulent ignition transition based on
measurements of minimum ignition energies (MIE) of lean premixed turbulent methane
combustion for a wide range of equivalence ratios. Our study used a similar approach to
present an additional and complete MIE data set for laser-induced spark ignitions in a flow
configuration and under turbulent conditions (ie, for different ranges of length and time
scales) that differed from those chosen by Shy and his colleagues. To extend the previous …
measurements of minimum ignition energies (MIE) of lean premixed turbulent methane
combustion for a wide range of equivalence ratios. Our study used a similar approach to
present an additional and complete MIE data set for laser-induced spark ignitions in a flow
configuration and under turbulent conditions (ie, for different ranges of length and time
scales) that differed from those chosen by Shy and his colleagues. To extend the previous …
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