Biodiesel soot incandescence and NO emission studied in an optical engine
conference paper
High-speed imaging and thermodynamical characterization are applied to an optically accessible, heavy-duty diesel engine in order to compare soot incandescence and NO emission behaviour of four bioderived fuels: rapeseed-methylester, Jatropha oil (pure), Jatropha-methylester and a 50/50 blend of cyclohexanone with a Fischer-Tropsch synthetic fuel. Regular diesel fuel is used as a reference. Soot incandescence is observed at 0.3° crank angle resolution (200 images/cycle). The heat release rate and exhaust NO concentrations are used as indicators of average and peak temperatures, respectively, which are combined with soot incandescence signal to get a relative measure for a fuel's sooting propensity.
TNO Identifier
484267
ISSN
16130073
Source title
7th International Symposium Towards Clean Diesel Engines, TCDE 2009, 4-5 June 2009, Aachen, Germany
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