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Visualisation and Thermovision of Fuel Combustion Affecting Heat Release to Reduce NO x and PM Diesel Engine Emissions

Author

Listed:
  • Jerzy Cisek

    (Faculty of Mechanical Engineering, Cracow University of Technology, 31-155 Kraków, Poland)

  • Szymon Leśniak

    (Faculty of Mechanical Engineering, Cracow University of Technology, 31-155 Kraków, Poland)

  • Andrzej Borowski

    (Faculty of Mechanical Engineering, Cracow University of Technology, 31-155 Kraków, Poland)

  • Włodzimierz Przybylski

    (DAGAS, 05-660 Warka, Poland)

  • Vitaliy Mokretskyy

    (DAGAS, 05-660 Warka, Poland)

Abstract

Research was conducted on fuels with additives that selectively affect the rate of kinetic (dQ k /dα) and diffusion (dQ d /dα) combustion in the diesel engine cylinder. In addition to the base fuel (DFB), DFKA fuel with an additive reducing dQ k /dα, DFDA fuel with an additive increasing dQ d /dα, and DFS fuel with both additives were tested. The main purpose of such dQ/dα course control in the engine cylinder was to simultaneously reduce the emissions of nitrogen oxides (NO x ) and particulate matter (PM), and to increase the efficiency of the combustion process. Similar to the course of the dQ/dα, the course of the combustion temperature (T c (α)) affects the NO x produced and the number of afterburned solid particles; the influence of the fuel additives on the functional curves was analysed. In addition to analysis of the temperature T c (α) calculated from the indicator diagrams, T c (α) analysis was conducted using the two-colour method, which allows the analysis of the isotherm distributions locally and temporarily. The two-colour method required prior endoscopic visualisation of the fast-changing processes inside the engine cylinder. Parameters defined by pressure, temperature, heat release rate, and visualisation and thermovision in the engine cylinder (as a function of the crank angle) allowed for an in-depth cause and effect analysis. It was determined why combustion of DFS fuel with both additives produced a synergy resulting in the simultaneous reduction in NO x and PM emissions in the exhaust gas and an increase in combustion efficiency. This publication relates to the field of Mechanical Engineering.

Suggested Citation

  • Jerzy Cisek & Szymon Leśniak & Andrzej Borowski & Włodzimierz Przybylski & Vitaliy Mokretskyy, 2022. "Visualisation and Thermovision of Fuel Combustion Affecting Heat Release to Reduce NO x and PM Diesel Engine Emissions," Energies, MDPI, vol. 15(13), pages 1-32, July.
  • Handle: RePEc:gam:jeners:v:15:y:2022:i:13:p:4882-:d:854713
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    References listed on IDEAS

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    1. Asad, Usman & Zheng, Ming, 2014. "Exhaust gas recirculation for advanced diesel combustion cycles," Applied Energy, Elsevier, vol. 123(C), pages 242-252.
    2. Jerzy Cisek & Szymon Lesniak & Winicjusz Stanik & Włodzimierz Przybylski, 2021. "The Synergy of Two Biofuel Additives on Combustion Process to Simultaneously Reduce NOx and PM Emissions," Energies, MDPI, vol. 14(10), pages 1-31, May.
    3. Javier Monsalve-Serrano & Giacomo Belgiorno & Gabriele Di Blasio & María Guzmán-Mendoza, 2020. "1D Simulation and Experimental Analysis on the Effects of the Injection Parameters in Methane–Diesel Dual-Fuel Combustion," Energies, MDPI, vol. 13(14), pages 1-13, July.
    4. Hwang, Joonsik & Qi, Donghui & Jung, Yongjin & Bae, Choongsik, 2014. "Effect of injection parameters on the combustion and emission characteristics in a common-rail direct injection diesel engine fueled with waste cooking oil biodiesel," Renewable Energy, Elsevier, vol. 63(C), pages 9-17.
    5. Aldhaidhawi, Mohanad & Chiriac, Radu & Badescu, Viorel, 2017. "Ignition delay, combustion and emission characteristics of Diesel engine fueled with rapeseed biodiesel – A literature review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 73(C), pages 178-186.
    6. Millo, Federico & Giacominetto, Paolo Ferrero & Bernardi, Marco Gianoglio, 2012. "Analysis of different exhaust gas recirculation architectures for passenger car Diesel engines," Applied Energy, Elsevier, vol. 98(C), pages 79-91.
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    Cited by:

    1. Jerzy Cisek & Szymon Leśniak, 2023. "The Modeling of Fuel Auto-Ignition Delay and Its Verification Using Diesel Engines Fueled with Oils with Standard or Increased Cetane Numbers," Energies, MDPI, vol. 16(14), pages 1-22, July.
    2. Zongyu Yue & Haifeng Liu, 2023. "Advanced Research on Internal Combustion Engines and Engine Fuels," Energies, MDPI, vol. 16(16), pages 1-8, August.

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