In order to avoid the negative effects of increasing the amount of RME in the fuel, the nitrON® package was used, containing 3 different additives: stabilizing, washing and increasing the cetane number of the fuel. The tests were carried out with the use of the Caterpillar C27 engine of the 6Dg locomotive connected to a water resistor. The hourly engine fuel consumption (FC), NOx concentration and exhaust opacity were measured for 3 points of the F test, in accordance with UIC 624. The concentration of the nitrON® additive in the test fuel was 1500 ppm (v / v). For idling, the reduction in FC value was only 1.5% (in relation to the base fuel), but for a very high engine load and nominal rotational speed, the percentage reduction in FC was as high as 5%. The reduction of NOx concentration for idling (as a result of using nitrON®) was approx. 10%, while for high engine load, the percentage reduction of NOx concentration in the exhaust gas exceeded 15%.
NITROERG S.A. Ocena zużycia paliwa i emisji spalin dodatku do oleju napędowego w rzeczywistych warunkach pracy maszyn pozadrogowych. Research Report, Contract No: 05/52/PRJG/0302, Poznań University of Technology, Poznań 2019.
Oil and Gas InstituteNational Research Institute. Analysis of the impact of self–ignition delay on the rate of kinetic combustion as well as the composition and opacity of exhaust gases as a function of the load of a compression‐ignition engine powered by three fuels. Research Report, Contract No: M-04/277/2018/P, Cracow University of Technology, Cracow 2018.
DAGAS Limited Company. Analysis of the synergy of the impact of Reduxco and Nitrocet additives for diesel fuel on the course of the combustion process in the cylinder of a compression ignition engine. Research Report, Contract No: M-04/187/2020/P, Cracow University of Technology, Cracow 2020.
Kodeks UIC 624. Badania emisji gazów wydechowych silników spalinowych trakcyjnych. Międzynarodowy związek kolei. 2006.
Dyrektywa 2004/26/EG Parlamentu Europejskiego i Rady Europejskiej z 21 kwietnia 2004.
STANIK, W., CISEK, J. Influence of cetane‐detergent additives into diesel fuel with RME content increased to 10% on the parameters of indicator diagrams and rate of heat release in a diesel engine. Combustion Engines. 2019, 179, 226-235.
CISEK, J., LESNIAK, S., STANIK, W. et al. The synergy of two biofuel additives on combustion process to simultaneously reduce NOx and PM emissions. Energies. 2021, 14, 2784.
ILERI, E., KOCAR, G. Experimental investigation of the effect of antioxidant additives on NOx emissions of a diesel engine using biodiesel. Fuel. 2014, 125, 44-49.
RAHMAN, S.M.A., FATTAH, I.M.R., ONG, H.C. et al. State‐of‐the‐art of strategies to reduce exhaust emissions from diesel engine vehicles. Energies. 2021, 14, 1766.
Application of alternative drive systems in modern special-purpose rail vehicles
Dawid Gallas, Paweł Stobnicki, Wojciech Jakuszko, Patryk Urbański, Justyna Kikut
WUT Journal of Transportation Engineering
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