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Effects of diluents on cycle-by-cycle variations in a spark ignition engine fueled with methanol

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Listed:
  • Zhang, Miaomiao
  • Hong, Wei
  • Xie, Fangxi
  • Liu, Yu
  • Su, Yan
  • Li, Xiaoping
  • Liu, Haifeng
  • Fang, Kangning
  • Zhu, Xinbo

Abstract

Effects of three diluents on cycle-by-cycle variations of a spark ignition engine fueled with methanol were studied in this paper. Peak in-cylinder pressure, maximum rate of pressure rise and indicated mean effective pressure were investigated experimentally to assess these influences. The results showed that when addition ratios of carbon dioxide and nitrogen increased, the fluctuations of peak pressure and maximum rate of pressure rise increased first and then decrease, the dispersion of indicated mean effective pressure was enlarged, the mean values of these parameters all decreased gradually while carbon dioxide dropped faster. These three parameters did not present clear changes in fluctuation for Argon, only that their mean values showed a slight difference. Linearities between peak pressure and maximum rate of pressure rise corresponding to their crank angles were observed at low addition ratio of carbon dioxide and nitrogen, while it would disappear if the mixture was further diluted. Cycle-by-cycle variations of tested engine would be deteriorated by carbon dioxide and nitrogen, while it kept unchanged and indicated mean effective pressure was increased for argon dilution. The diluent tolerance of this methanol engine is higher than that of gasoline engine.

Suggested Citation

  • Zhang, Miaomiao & Hong, Wei & Xie, Fangxi & Liu, Yu & Su, Yan & Li, Xiaoping & Liu, Haifeng & Fang, Kangning & Zhu, Xinbo, 2019. "Effects of diluents on cycle-by-cycle variations in a spark ignition engine fueled with methanol," Energy, Elsevier, vol. 182(C), pages 1132-1140.
    • Handle: RePEc:eee:energy:v:182:y:2019:i:c:p:1132-1140
    DOI: 10.1016/j.energy.2019.06.110
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    Citations

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    Cited by:

    1. Wermer, Lydia & Lefkowitz, Joseph K. & Ombrello, Timothy & Im, Seong-kyun, 2021. "Spark and flame kernel interaction with dual-pulse laser-induced spark ignition in a lean premixed methane–air flow," Energy, Elsevier, vol. 215(PB).
    2. Duan, Xiongbo & Feng, Lining & Liu, Haibo & Jiang, Pengfei & Chen, Chao & Sun, Zhiqiang, 2023. "Experimental investigation on exhaust emissions of a heavy-duty vehicle powered by a methanol-fuelled spark ignition engine under world Harmonized Transient Cycle and actual on-road driving conditions," Energy, Elsevier, vol. 282(C).
    3. Michal Puškár, 2022. "Advanced System Determined for Utilisation of Sustainable Biofuels in High-Performance Sport Applications," Sustainability, MDPI, vol. 14(11), pages 1-11, May.
    4. Yin, Xiaojun & Sun, Nannan & Sun, Ting & Shen, Hongguang & Mehra, Roopesh Kumar & Liu, Junlong & Wang, Ying & Yang, Bo & Zeng, Ke, 2022. "Experimental investigation the effects of spark discharge characteristics on the heavy-duty spark ignition natural gas engine at low load condition," Energy, Elsevier, vol. 239(PC).
    5. Ireneusz Pielecha & Filip Szwajca, 2023. "Lean Methane Mixtures in Turbulent Jet Ignition Combustion System," Energies, MDPI, vol. 16(3), pages 1-18, January.
    6. Gong, Changming & Yi, Lin & Wang, Kang & Huang, Kuo & Liu, Fenghua, 2020. "Numerical study on electron energy distribution characteristics and evolution of active particles of methanol-air mixture by non-equilibrium plasma," Energy, Elsevier, vol. 193(C).

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