Affiliation:
1. Belarusian State Agricultural Academy
2. Federal Government-financed Educational Institution of Higher Professional Education «Vyatka State University»
Abstract
The paper presents theoretical and experimental studies of the working process of the 4ChN 11.0/12.5 (D-245.5S2) diesel engine operating on diesel fuel with addition of the liquefied hydrocarbon gas by a separate system into the intake manifold. Regression dependences were obtained of the relative specific effective fuel consumption and the main ecological indicators of the diesel exhaust gases on the fuel injection advance angle. Dependences are provided of torque, specific effective fuel consumption, maximum cylinder pressure, working process rigidity, content of solid particles and nitrogen oxides, as well as of total emission, on the amount of the supplied liquefied hydrocarbon gas into the diesel engine. The indicator diagram and the diesel engine heat release characteristic were analyzed with operation on the diesel fuel and with addition of the liquefied hydrocarbon gas. The experimental setup is described. Theoretical and experimental results were compared. The amount of liquefied hydrocarbon gas supplied to the diesel engine not exceeding 30% of the diesel fuel consumption was substantiated. Convergence of experimental and theoretical data at the level of 6.3% was confirmed. It was established that the diesel engine operation with addition of up to 30% of the liquefied hydrocarbon gas made it possible to reduce total emission of the particulate matter and of the nitrogen oxides in the exhaust gases by 20.2%.
Publisher
Bauman Moscow State Technical University
Reference20 articles.
1. Pasport kachestva szhizhennogo uglevodorodnogo topliva [Liquefied petroleum gas quality passport]. Rechitsa, Belorusneft Publ., 2012. 1 p. (In Russ.).
2. Dizeli D-245S2, D-245.2S2, D-245.5S2, D-245.16S2, D-245.16LS2, D-245.42S2, D-245.43S2. Rukovodstvo po ekspluatatsii [D-245S2, D-245.2S2, D-245.5S2, D-245.16S2, D-245.16LS2, D-245.42S2, D-245.43S2 diesels. Operating manual]. Minsk, Minskiy motornyy zavod Publ., 2010. 104 p. (In Russ.).
3. Kuleshov A.S., Fadeev Yu.M., Kuleshov A.A. Development of multizonal combustion models as applied to modern reciprocating engines. Dvigatelestroenie [Engines Construction], 2017, no. 2, pp. 7–10. (In Russ.).
4. Kuleshov A.S., Markov V.A., Furman V.V. et al. Computational study of the diesel fuel ignition dose effecting the gas-diesel engine operation process. Izvestiya vysshikh uchebnykh zavedeniy. Mashinostroenie [BMSTU Journal of Mechanical Engineering], 2022, no. 12, pp. 87–106, doi: https://doi.org/10.18698/0536-1044-2022-12-87-106 (in Russ.).
5. Muratov A.V. Concept of alternative fuels use in power units of traction autonomous rolling stock. Vestnik transporta Povolzhya, 2020, no. 4, pp. 71–76. (In Russ.).