The emission characteristics of Oxides of Nitrogen (NOx), Nitrous Oxide (N2O), Carbon Monoxide (CO), Hydrocarbon (HC) and Particulate Matter (PM) from a 4-stroke medium-speed marine diesel engine with emulsified fuels (fuel mixture with water and surfactant) were investigated and are described in this paper. NO(x) decreased with an increase in water ratio of emulsified fuels. N2O increased with degradation of fuel quality, however, it decreased with an increase in water ratio. CO increased with an increase in water ratio at lower engine loads while it decreased at higher engine loads. HC and PM increased with an increase in water ratio at lower engine loads while it showed no considerable change at higher engine loads. These results suggest that emulsified fuels have a desirable effect on reduction of NO(x) emission without increases of other air pollutants provided suitable water ratio is selected in correspondence to fuel quality and engine operating conditions.
Study on emission characteristics of air pollutants from medium-speed marine diesel engine with emulsified fuels
Untersuchung der Emissionen von mittelschnellaufenden Schiffsdieselmotoren
1998
11 Seiten, 18 Bilder, 3 Tabellen, 12 Quellen
Conference paper
English
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