Experimental research was performed to determine the combustion performance of marine fuels using thermogravimetry-differential thermal Analysis (TG-DTA) and the fuel droplet combustion method. The results made it possible to distinguish between normal fuels and fuels which used combustion problems. It was found that the amount of asphaltene in the fuels correlated to combustion problems more than did the amount of carbon residue in the fuels. The structures and combustion characteristics of carbon residues generated from the components of several kinds of residual fuels were analyzed using X-ray diffraction, elemental analysis, and thermal analysis. The results showed that the carbon residue generated from the asphaltene component had the worst combustion characteristics. The effect of the amount of asphaltene on the combustion performance, of marine fuel oil, particularly, the exhaust gas temperature and smoke emissions, was analyzed using a 4-stroke diesel engine. When the amount of asphaltene contained in the fuel was increased, the exhaust gas temperature rose and the amount of smoke increased.
Effect of asphaltene and carbon residue in marine fuel in combustion performance
Einfluß des Asphalten- und Verkokungsrückstandes im Marinetreibstoff auf die Verbrennungsleistung
1998
11 Seiten, 13 Bilder, 4 Tabellen, 4 Quellen
Aufsatz (Konferenz)
Englisch
Combustion Residue of Marine Diesel Engine
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