Soot generation of diesel fuels with substantial amounts of oxygen-bearing compounds added |
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| Authors: | Kelly Sison Haiwen Song |
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| Affiliation: | a School of Mechanical Engineering and Design, Brunel University, Uxbridge, Middlesex UB8 3PH, United Kingdom
b Department of Mechanical Engineering, University College London (UCL), Torrington Place, London WC1E 7JE, United Kingdom |
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| Abstract: | Two-colour pyrometry, thermodynamic analysis, and exhaust emissions analysis have been used to improve understanding of the formation of soot during combustion in a high speed direct-injection automotive diesel engine. Three fuel blends were used: a Base Fuel commercially available in Northern Europe; a blend of the Base Fuel (70%) and esterified rape-seed oil (RME) (30%) and a blend of the Base Fuel (90%) and an ether compound (diglyme) (10%). While the Base Fuel contained no oxygen, both the other two fuels contained equal amounts of oxygen of 3% by mass. The principal results show significant differences in soot generation during combustion between the two oxygenated fuel blends, despite both having the same amount of oxygen. |
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| Keywords: | Diesel combustion Bio-fuels Oxygen-containing fuels |
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