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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/18783

Title: Soot Fformation in Co-flow and Counterflow Laminar Diffusion Flames of Fuel Mixtures
Authors: Karatas, Ahmet Emre
Advisor: Gulder, Omer L.
Department: Aerospace Science and Engineering
Keywords: Combustion
Issue Date: 12-Feb-2010
Abstract: In the formation process of soot in the flames of even-carbon-numbered fuels, acetylene and its derivatives are suspected to be dominant. The addition of an odd-carbon-numbered fuel into these flames introduces methyl radicals and/or C3 chemistries, which are believed to (de)activate certain chemical pathways towards the production of soot. The resultant soot formation rate of the mixture could be higher than the sum of the respective rates of the mixture components, i.e., synergistic eff ect. In this work, the mixtures of butane isomers, ethylene-butane isomers, and propane-butane isomers were studied on a co-flow and a counterflow burner. Chemical effects were isolated from those of thermal and dilution by mixing isomers and comparing the mixtures including one isomer to those including the counterpart. Line of sight attenuation (LOSA) and laser-light extinction techniques were used for measuring soot volume fraction. The results provide information on synergistic effects in soot formation for the fuels used.
URI: http://hdl.handle.net/1807/18783
Appears in Collections:Master
Institute for Aerospace Studies - Master theses

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