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Biodiesel : combustion des esthers éthyliques d'huiles végétales comme additifs au pétrodiesel

Abstract : An increasingly popular biofuel is biodiesel, composed of a mixture of saturated and unsaturated fatty acid methyl or ethyl esters, with a long aliphatic main chain. This PhD dissertation provides a literature review concerning the origin of biodiesel, its manufacturing process, performance and emissions of diesel engines fueled with biodiesel, and the kinetics of oxidation of biodiesel. Efforts were made to highlight the main differences between methyl and ethyl esters while showing where further research needs to be developed or pursued. For these reasons, the autoignition of five esters were measured behind reflected shock tube: ethyl acrylate, methyl acrylate, ethyl crotonate, methyl crotonate, and ethyl butanoate. Detailed mechanisms for the oxidation of the five studied esters were automatically generated using the version of EXGAS software. In addition, the oxidation of ethyl butanoate as a model compound for Fatty Acid Ethyl Esters (FAEE) has been investigated in tubular plug flow reactor at atmospheric pressure over wide range of temperature (500-1200 K). The results consist of concentration profiles of the reactants, stable intermediates, and final products. The model was again validated satisfactorily by comparison between computed results and the generated experimental data
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Submitted on : Thursday, March 29, 2018 - 11:49:38 AM
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Hayat Bennadji. Biodiesel : combustion des esthers éthyliques d'huiles végétales comme additifs au pétrodiesel. Autre. Institut National Polytechnique de Lorraine, 2010. Français. ⟨NNT : 2010INPL044N⟩. ⟨tel-01748803⟩



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