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Effects of intake oxygen mole fraction on the near-stoichiometric combustion and emission characteristics of a CI (compression ignition) engine

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  • Cha, Junepyo
  • Yoon, Sungjun
  • Lee, Seokhwon
  • Park, Sungwook

Abstract

In the present study, the combustion and emission characteristics under various equivalence ratio up to stoichiometric condition were experimentally investigated in a CI (compression ignition) engine. In order to control the equivalence ratio, the O2 mole fraction of intake gas was reduced from 21 to 11.16 % by adding only N2 to intake gas while the injected fuel quantity was held constant. The test was used a single-cylinder compression ignition (CI) engine with a displacement volume of 373.3cc, a compression ratio of 17.8, a re-entrant type piston-bowl. The emission measurement instruments consisted of emission bench (MEXA-9100D, HORIBA) and smoke meter (AVL-415S, AVL).

Suggested Citation

  • Cha, Junepyo & Yoon, Sungjun & Lee, Seokhwon & Park, Sungwook, 2015. "Effects of intake oxygen mole fraction on the near-stoichiometric combustion and emission characteristics of a CI (compression ignition) engine," Energy, Elsevier, vol. 80(C), pages 677-686.
    • Handle: RePEc:eee:energy:v:80:y:2015:i:c:p:677-686
    DOI: 10.1016/j.energy.2014.12.023
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    References listed on IDEAS

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    1. Maiboom, Alain & Tauzia, Xavier & Hétet, Jean-François, 2008. "Experimental study of various effects of exhaust gas recirculation (EGR) on combustion and emissions of an automotive direct injection diesel engine," Energy, Elsevier, vol. 33(1), pages 22-34.
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    4. Torres García, Miguel & José Jiménez-Espadafor Aguilar, Francisco & Sánchez Lencero, Tomás, 2009. "Experimental study of the performances of a modified diesel engine operating in homogeneous charge compression ignition (HCCI) combustion mode versus the original diesel combustion mode," Energy, Elsevier, vol. 34(2), pages 159-171.
    5. Ganesh, D. & Nagarajan, G., 2010. "Homogeneous charge compression ignition (HCCI) combustion of diesel fuel with external mixture formation," Energy, Elsevier, vol. 35(1), pages 148-157.
    6. Machrafi, Hatim & Cavadias, Simeon & Amouroux, Jacques, 2010. "Influence of fuel type, dilution and equivalence ratio on the emission reduction from the auto-ignition in an Homogeneous Charge Compression Ignition engine," Energy, Elsevier, vol. 35(4), pages 1829-1838.
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    1. Hoseini, S.S. & Najafi, G. & Ghobadian, B. & Mamat, Rizalman & Sidik, Nor Azwadi Che & Azmi, W.H., 2017. "The effect of combustion management on diesel engine emissions fueled with biodiesel-diesel blends," Renewable and Sustainable Energy Reviews, Elsevier, vol. 73(C), pages 307-331.
    2. Jo, Seongin & Cha, Junepyo & Park, Suhan, 2022. "Exhaust emission characteristics of stoichiometric combustion applying to diesel particulate filter(DPF) and three-way catalytic converter(TWC)," Energy, Elsevier, vol. 254(PB).
    3. Min, Se Hun & Suh, Hyun Kyu & Cha, Junepyo, 2020. "Effect of Simulated-EGR (N2) on the distribution characteristics of equivalence ratio and the formation of exhaust emissions in a CI engine under early injection conditions," Energy, Elsevier, vol. 193(C).

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