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HC and CO emissions reduction by early injection strategy in a bioethanol blended diesel-fueled engine with a narrow angle injection system

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  • Park, Su Han
  • Yoon, Seung Hyun
  • Lee, Chang Sik

Abstract

The main purpose of this study was to investigate how a narrow angle injector affects the combustion and exhaust emissions characteristics in a single-cylinder diesel engine fueled by diesel–bioethanol blends. This study focused on reducing HC and CO emissions in the exhaust emissions by the bioethanol blending of diesel. A narrow angle injector with an injection angle of 70° was used and compared with a conventional angle injector having a 156° injection angle. The bioethanol was blended with the conventional diesel up to 30% with 5% biodiesel. Experiments revealed that, in a narrow angle injector, the premixed combustion duration increased with bioethanol contents unlike the similar value of conventional injector. The premixed combustion phasing decreased with the increase of bioethanol in both injectors. The variation in the peak combustion pressure of the narrow angle injector was smaller than that of a conventional injector. In addition, the narrow angle injector induced a higher indicated mean effective pressure (IMEP) and a shorter ignition delay compared to the conventional injector. In terms of exhaust emissions characteristics, the low and stable ISHC and ISCO emissions can be achieved through the application of narrow angle injector to the diesel–bioethanol blends combustion. By the early injection combustion strategy, ISHC and ISCO emissions are significantly reduced.

Suggested Citation

  • Park, Su Han & Yoon, Seung Hyun & Lee, Chang Sik, 2013. "HC and CO emissions reduction by early injection strategy in a bioethanol blended diesel-fueled engine with a narrow angle injection system," Applied Energy, Elsevier, vol. 107(C), pages 81-88.
    • Handle: RePEc:eee:appene:v:107:y:2013:i:c:p:81-88
    DOI: 10.1016/j.apenergy.2013.02.015
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    1. Canakci, Mustafa & Erdil, Ahmet & Arcaklioglu, Erol, 2006. "Performance and exhaust emissions of a biodiesel engine," Applied Energy, Elsevier, vol. 83(6), pages 594-605, June.
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    Cited by:

    1. Kim, Hyung Jun & Jo, Seongin & Lee, Jong-Tae & Park, Suhan, 2020. "Biodiesel fueled combustion performance and emission characteristics under various intake air temperature and injection timing conditions," Energy, Elsevier, vol. 206(C).
    2. Herreros, J.M. & Schroer, K. & Sukjit, E. & Tsolakis, A., 2015. "Extending the environmental benefits of ethanol–diesel blends through DGE incorporation," Applied Energy, Elsevier, vol. 146(C), pages 335-343.
    3. Park, Su Han & Shin, Dalho & Park, Jeonghyun, 2016. "Effect of ethanol fraction on the combustion and emission characteristics of a dimethyl ether-ethanol dual-fuel reactivity controlled compression ignition engine," Applied Energy, Elsevier, vol. 182(C), pages 243-252.
    4. Shahir, S.A. & Masjuki, H.H. & Kalam, M.A. & Imran, A. & Fattah, I.M. Rizwanul & Sanjid, A., 2014. "Feasibility of diesel–biodiesel–ethanol/bioethanol blend as existing CI engine fuel: An assessment of properties, material compatibility, safety and combustion," Renewable and Sustainable Energy Reviews, Elsevier, vol. 32(C), pages 379-395.
    5. Lee, Cho-Yu & Vo, Dai-Qui, 2021. "Influence of cold-start time reduction on scooter emissions and fuel consumption over WMTC cycle," Energy, Elsevier, vol. 231(C).
    6. Pradelle, Florian & Leal Braga, Sergio & Fonseca de Aguiar Martins, Ana Rosa & Turkovics, Franck & Nohra Chaar Pradelle, Renata, 2019. "Performance and combustion characteristics of a compression ignition engine running on diesel-biodiesel-ethanol (DBE) blends – Potential as diesel fuel substitute on an Euro III engine," Renewable Energy, Elsevier, vol. 136(C), pages 586-598.
    7. Park, Su Han & Yoon, Seung Hyun & Cha, Junepyo & Lee, Chang Sik, 2014. "Mixing effects of biogas and dimethyl ether (DME) on combustion and emission characteristics of DME fueled high-speed diesel engine," Energy, Elsevier, vol. 66(C), pages 413-422.
    8. Shameer, P. Mohamed & Ramesh, K., 2018. "Assessment on the consequences of injection timing and injection pressure on combustion characteristics of sustainable biodiesel fuelled engine," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P1), pages 45-61.
    9. Mohamed Shameer, P. & Ramesh, K. & Sakthivel, R. & Purnachandran, R., 2017. "Effects of fuel injection parameters on emission characteristics of diesel engines operating on various biodiesel: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 1267-1281.

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