Compréhension de la formation des suies : étude de la combustion de précurseurs des cycles aromatiques en flamme laminaire prémélangée

Abstract : Soots and polyaromatic hydrocarbons (PAH), which are present in the exhaust gas of diesel engines, represent a large part of the urban pollution. Many efforts have then been focused on reducing the emissions of these compounds. The formation of soot precursors and PAH in combustion involves small unsaturadted hydrocarbons the chemistry of which is still very uncertain. Allene, propyne, 1,3-butadiene and cyclopentene are intermediate products in the combustion in cars engines. This work has led to a better understanding of several important paths in the formation of benzene and toluene. The chapter I of this report presents a bibliographic review of former work on the oxidation of methane, allene, propyne, 1,3-butadiene and cyclopentene. Chapter II gives a detailed description of the experimental set up used during this work to study the structure of the premixed flat laminar flames. Chapters III, IV and V present our experimental results obtained in laminar premixed flat flames and also the comparison with simulations
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Hadj Ali Gueniche. Compréhension de la formation des suies : étude de la combustion de précurseurs des cycles aromatiques en flamme laminaire prémélangée. Autre. Institut National Polytechnique de Lorraine, 2007. Français. ⟨NNT : 2007INPL027N⟩. ⟨tel-01752947⟩

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