Abstract
The Institute of Combustion Engines and Transport conducted tests on exhaust emissions for two motorized scooters fitted with two-stroke engines differing from each other with the type of the applied pistons. The research was conducted on a chassis dynamometer according to a specially prepared test that aimed at reflecting the conditions of the actual use of the vehicle. The presented tests were performed in order to determine the influence of the lubricant on the exhaust emission components. The authors also tested the in the emission of NOx, CO, HC and CO2. In the first stage of the testing, measurements were made with respect to a standard mixture of gasoline and oil. Subsequent measuring cycles were conducted for leaner mixtures. The tests on the concentrations of individual components were realized with the use of a portable analyzer SEMTECH DS manufactured by Sensors Inc. The portable analyzer was also designed to measure the mass flow of the exhaust and the concentration of the exhaust components such as CO, HC, NOx, CO2 and O2. A consumption of fuel with a second by second resolution was measured gravimetrically. The fuel consumption in the test drive was measured with the use of a carbon balance method.
F2012-A01-039
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References
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Merkisz, J., Bajerlein, M., Rymaniak, Ł., ZióŁkowski, A. (2013). The Impact of Modified Piston in Two Stroke Engine on Toxic Emissions and Fuel Consumption. In: Proceedings of the FISITA 2012 World Automotive Congress. Lecture Notes in Electrical Engineering, vol 189. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33841-0_16
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DOI: https://doi.org/10.1007/978-3-642-33841-0_16
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