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Modernization of the Mechanical Fuel System of a Diesel Locomotive Engine through Physical and Numerical Modeling

Author

Listed:
  • Leonid Plotnikov

    (Turbines and Engines Department, Ural Federal University Named after the First President of Russia B. N. Yeltsin, Str. Mira 19, 620002 Yekaterinburg, Russia)

  • Nikita Grigoriev

    (Turbines and Engines Department, Ural Federal University Named after the First President of Russia B. N. Yeltsin, Str. Mira 19, 620002 Yekaterinburg, Russia
    Ural Diesel-Motor Plant LLC, Str. Front Brigades 18, 620017 Yekaterinburg, Russia)

Abstract

Reducing harmful emissions from exhaust gases and increasing energy efficiency are urgent tasks when designing reciprocating internal combustion engines. In this experimental work, the fuel system of a diesel locomotive engine operating on the Miller cycle is improved. The purpose of the study is to improve the environmental and economic indicators of diesel engines at minimal financial cost. The article provides an overview of the main research on improving fuel supply, mixing and combustion. The features of engine operation are also briefly described. Numerical simulation of the diesel engine operating cycle was performed before the bench tests. The experiments were performed on a full-size diesel engine with a power of 1200 kW. The measuring equipment and experimental technique are described in the article. The technical solutions that made it possible to improve the fuel supply are described. A new design for the high-pressure fuel pump drive is proposed. The optimal fuel injection advance angles are determined. An original design for the fuel pump plunger was developed. The proposed technical solutions made it possible to reduce fuel consumption by up to 3% (from 217.8 to 211.4 g/kW·h) and NOx emissions two-fold (from 19.4 to 8.8 g/kW·h).

Suggested Citation

  • Leonid Plotnikov & Nikita Grigoriev, 2021. "Modernization of the Mechanical Fuel System of a Diesel Locomotive Engine through Physical and Numerical Modeling," Energies, MDPI, vol. 14(24), pages 1-15, December.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:24:p:8554-:d:705761
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    References listed on IDEAS

    as
    1. Van Viet Pham & Duc Thiep Cao, 2019. "A Brief Review Of Technology Solutions On Fuel Injection System Of Diesel Engine To Increase The Power And Reduce Environmental Pollution," Journal of Mechanical Engineering Research & Developments (JMERD), Zibeline International Publishing, vol. 42(1), pages 1-9, January.
    2. Xu, Leilei & Bai, Xue-Song & Jia, Ming & Qian, Yong & Qiao, Xinqi & Lu, Xingcai, 2018. "Experimental and modeling study of liquid fuel injection and combustion in diesel engines with a common rail injection system," Applied Energy, Elsevier, vol. 230(C), pages 287-304.
    3. Kim, Hyung Jun & Park, Su Han & Lee, Chang Sik, 2016. "Impact of fuel spray angles and injection timing on the combustion and emission characteristics of a high-speed diesel engine," Energy, Elsevier, vol. 107(C), pages 572-579.
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