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Mixture preparation and combustion in a GDI engine under stoichiometric or lean charge: an experimental and numerical study on an optically accessible engine

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Listed:
  • Costa, M.
  • Catapano, F.
  • Sementa, P.
  • Sorge, U.
  • Vaglieco, B.M.

Abstract

In direct injection spark ignition (SI) engines, the spray dynamics and interaction with the surrounding air flow are recognised as strongly affecting mixture quality, combustion development and amount of pollutants released at the exhaust. Spray impact against walls has also to be considered since undesired deposition of liquid as wallfilm causes unburned hydrocarbons and soot formation, hence increased fuel consumption and even augmented cyclic dispersion.

Suggested Citation

  • Costa, M. & Catapano, F. & Sementa, P. & Sorge, U. & Vaglieco, B.M., 2016. "Mixture preparation and combustion in a GDI engine under stoichiometric or lean charge: an experimental and numerical study on an optically accessible engine," Applied Energy, Elsevier, vol. 180(C), pages 86-103.
    • Handle: RePEc:eee:appene:v:180:y:2016:i:c:p:86-103
    DOI: 10.1016/j.apenergy.2016.07.089
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    References listed on IDEAS

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    1. De Bellis, Vincenzo, 2016. "Performance optimization of a spark-ignition turbocharged VVA engine under knock limited operation," Applied Energy, Elsevier, vol. 164(C), pages 162-174.
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    3. Song, Jingeun & Kim, Taehoon & Jang, Jihwan & Park, Sungwook, 2015. "Effects of the injection strategy on the mixture formation and combustion characteristics in a DISI (direct injection spark ignition) optical engine," Energy, Elsevier, vol. 93(P2), pages 1758-1768.
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    6. Wang, Buyu & Mosbach, Sebastian & Schmutzhard, Sebastian & Shuai, Shijin & Huang, Yaqing & Kraft, Markus, 2016. "Modelling soot formation from wall films in a gasoline direct injection engine using a detailed population balance model," Applied Energy, Elsevier, vol. 163(C), pages 154-166.
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    Cited by:

    1. Yang, Jie & Dong, Xue & Wu, Qiang & Xu, Min, 2019. "Effects of enhanced tumble ratios on the in-cylinder performance of a gasoline direct injection optical engine," Applied Energy, Elsevier, vol. 236(C), pages 137-146.
    2. Jung, Dongwon & Sasaki, Kosaku & Iida, Norimasa, 2017. "Effects of increased spark discharge energy and enhanced in-cylinder turbulence level on lean limits and cycle-to-cycle variations of combustion for SI engine operation," Applied Energy, Elsevier, vol. 205(C), pages 1467-1477.
    3. Xu, Zidan & Zhang, Yahui & Di, Huanyu & Shen, Tielong, 2019. "Combustion variation control strategy with thermal efficiency optimization for lean combustion in spark-ignition engines," Applied Energy, Elsevier, vol. 251(C), pages 1-1.

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