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Refining Combustion Dynamics: Dissolved Hydrogen in Diesel Fuel within Turbulent-Flow Environments

Author

Listed:
  • Maciej Bajerlein

    (Institute of Combustion Engines and Powertrains, Faculty of Civil Engineering and Transport, Poznan University of Technology, Piotrowo 3, PL-60965 Poznan, Poland)

  • Wojciech Karpiuk

    (Institute of Combustion Engines and Powertrains, Faculty of Civil Engineering and Transport, Poznan University of Technology, Piotrowo 3, PL-60965 Poznan, Poland)

  • Beata Kurc

    (Institute of Chemistry and Electrochemistry, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
    Control Systems Research Department, Łukasiewicz Research Network–Poznań Institute of Technology, ul. Ewarysta Estkowskiego 6, 61-755 Poznan, Poland)

  • Rafał Smolec

    (Institute of Combustion Engines and Powertrains, Faculty of Civil Engineering and Transport, Poznan University of Technology, Piotrowo 3, PL-60965 Poznan, Poland)

  • Marek Waligórski

    (Institute of Combustion Engines and Powertrains, Faculty of Civil Engineering and Transport, Poznan University of Technology, Piotrowo 3, PL-60965 Poznan, Poland)

Abstract

This article presents the possibility of improving combustion using the effect of releasing hydrogen from a solution with nucleation of gas bubbles. This concept consists in dissolving hydrogen in diesel fuel until the equilibrium state of the solution is reached. At a later stage, the phenomenon is reversed, and this gas is released from the solution during its injection into the combustion chamber with a strong swirl. A characteristic feature of the solution is that when lowering the pressure (opening the atomizers), there is a decrease in the equilibrium thermodynamic potential, which results in the excess, dissolved hydrogen being released spontaneously, and this process is of a volumetric nature. This article is a continuation of the work carried out at Poznan University of Technology on the development of this concept. This article presents the results of tests for the impact of hydrogen dissolved in diesel fuel on the combustion process within a turbulent-flow environment. The tests were conducted in the combustion chamber of an engine equipped with a toroidal combustion chamber and direct injection. During the tests, the following factors were measured: the main indicators of motor operation, emission of hydrocarbons, carbon monoxide, nitrogen oxides, and particulate matters.

Suggested Citation

  • Maciej Bajerlein & Wojciech Karpiuk & Beata Kurc & Rafał Smolec & Marek Waligórski, 2024. "Refining Combustion Dynamics: Dissolved Hydrogen in Diesel Fuel within Turbulent-Flow Environments," Energies, MDPI, vol. 17(11), pages 1-16, May.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:11:p:2446-:d:1398646
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    References listed on IDEAS

    as
    1. M. Faizal & L. S. Chuah & C. Lee & A. Hameed & J. Lee & M. Shankar, 2019. "Review Of Hydrogen Fuel For Internal Combustion Engines," Journal of Mechanical Engineering Research & Developments (JMERD), Zibeline International Publishing, vol. 42(3), pages 35-46, April.
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