Extraction of the suppression effects of oxygenated fuels on soot formation using a detailed chemical kinetic model |
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| Institution: | 1. Department of Chemical Engineering, The Petroleum Institute, Abu Dhabi, United Arab Emirates;2. Chemistry Center, Venezuelan Institute for Scientific Research, Altos de Pipe, Miranda, Venezuela;3. Clean Combustion Research Centre, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia;1. Istituto di Ricerche sulla Combustione, IRC-CNR, P.le Tecchio 80, 80125 Naples, Italy;2. Department of Energy Plant Technology, Ruhr-Universität Bochum, Universitätsstr. 150, 44780 Bochum, Germany |
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| Abstract: | The influence of oxygenated fuels on the soot formation process inside a burning diesel jet plume was examined using a detailed chemical kinetic reaction mechanism. Normal heptane was selected as a representative diesel fuel, and methanol, ethanol and dimethyl ether were used as oxygenated fuels. It was found that the production of soot precursors, such as small unsaturated hydrocarbons and PAHs, are dramatically reduced by the use of oxygenated fuels, leading to “soot-free” diesel jet flame. Furthermore, there are remarkable differences in soot suppression effects between oxygenated fuels, which have the same molecular formula but different structures of atomic bonded oxygen. |
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