In-cylinder flow motion is important for enhancing combustion in internal combustion engines. There are two major flow motions: tumble and swirl. Tumble enhances the flame propagation speed to spread throughout the entire cylinder. Swirl affects the behavior of diesel spray; an enhanced swirl ratio has been widely used in conventional diesel engines. Because dual-fueled combustion has the characteristics of premixed combustion from background fuels and mixing-controlled combustion from directly injected fuels such as diesel, understanding the effect of in-cylinder flow motion on combustion characteristics in dual-fuel combustion is critical. In this research, the effect of swirl in gasoline and diesel dual-fuel combustion was evaluated with different diesel injection timing conditions. As the dual-fuel combustion engine used in this research was driven by diesel spray, swirl was selected as the main flow motion rather than tumble. The effect of swirl with different diesel injection timings was investigated under low-speed and low-load conditions. The results demonstrate that increasing swirl intensity provokes fast-burning caused by the enhanced air-fuel mixture, decreasing the diesel fraction and allowing more exhaust gas recirculation (EGR) to be used for the reduction of engine-out nitrogen oxides (NOx) and smoke emissions, without reducing thermal efficiency.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Effect of Swirl Motion on Combustion and Emissions Characteristics with Dual-Fuel Combustion in Compression Ignition Engine


    Weitere Titelangaben:

    Int.J Automot. Technol.


    Beteiligte:
    Lim, Donghyun (Autor:in) / Lee, Jeongwoo (Autor:in) / Shin, Hyungjin (Autor:in) / Kim, Kihong (Autor:in) / Moon, Sunyoung (Autor:in) / Min, Kyoungdoug (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.04.2022


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Premixed Fuel Effect on Ignition and Combustion of Dual Fuel Compression Ignition Engine

    Muto, Ryo / Kato, Satoshi / Kobashi, Yoshimitsu | SAE Technical Papers | 2015



    The effect of swirl on spark-ignition engine combustion

    Hamamoto,Y. / Tomita,E. / Tanaka,Y. et al. | Kraftfahrwesen | 1985


    Study on combustion characteristics of a methanol-diesel dual-fuel compression ignition engine

    Wang,L.J. / Song,R.Z. / Zou,H.B. et al. | Kraftfahrwesen | 2008


    Study on combustion characteristics of a methanol-diesel dual-fuel compression ignition engine

    Wang, L.J. / Song, R.Z. / Zou, H.B. et al. | Tema Archiv | 2008