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HomeAdvanced Engineering ForumAdvanced Engineering Forum Vols. 8-9Exhaust Emissions of a Medium Power Diesel Engine...

Exhaust Emissions of a Medium Power Diesel Engine Operated with Biodiesel

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Abstract:

The purpose of this study was to identify from experimental researches the results regarding the nitrogen oxides (NO_x) emissions and hydrocarbon emissions (HC), emissions of a four-stroke, four cylinder, direct injection of a Romanian medium power diesel tractor engine at partial loads operating on diesel fuel (DF), rapeseed methyl ester (RME), degummed and filtered (5 μm) pure rapeseed oil (RO100) and its blends with diesel fuel: 20% pure rapeseed oil-80% diesel fuel (RO20), 50% pure rapeseed oil-50% diesel fuel (RO50), 75% pure rapeseed oil-25% diesel fuel (RO75) compared to diesel fuel. The main properties of the tested fuels (density, kinematic viscosity, oxidation stability, acid value, peroxide number, coke content, water content and cetane number) have been determined. The value of NO_xemissions for the experimented biofuels is smaller up to 53% (for RO100) and increases up to 37% (for RO75) for different engine loads as compared to the diesel fuel. The HC emission shows a decrease for all biofuels used in the experiment ranging between 4% (for RO100) and 63% (RO75) at different loads relative to the diesel fuel.

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Periodical:

Advanced Engineering Forum (Volumes 8-9)

Pages:

93-102

DOI:

https://doi.org/10.4028/www.scientific.net/AEF.8-9.93

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Cite this paper

Online since:

June 2013

Authors:

Nicolae Cordos, Adrian Todorut, István Barabás

Keywords:

Cetane Number, Diesel Engine, Emission, Fuel Blends, Rapeseed Methyl Ester, Viscosity

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Creative Commons CC BY 4.0

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