セタン価向上剤の化学反応メカニズム

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  • 橋本 公太郎
    東京大学大学院工学系研究科化学システム工学専攻 (株)JOMOテクニカルリサーチセンター研究グループ
  • 阿久津 好明
    東京大学大学院工学系研究科化学システム工学専攻
  • 新井 充
    東京大学大学院工学系研究科化学システム工学専攻
  • 田村 昌三
    東京大学大学院工学系研究科化学システム工学専攻

書誌事項

タイトル別名
  • Chemical Reaction Mechanism of Cetane Number Improving Agents.
  • Chemical Reaction Mechanism of Cetane N

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抄録

To clarify the reaction mechanism in order for elucidating the effects of cetane number improving agents, we have attempted to calculate the pressure-temperature profile for the spontaneous ignition of n-butane in the presence of cetane number improving agents. First, ignition delay periods were calculated under the conditions similar to those used into the experiment using a rapid compression machine to confirm the validity of the model. Next, the effects of known cetane number improving agents such as alkyl nitrates, alkyl nitrites, and organic peroxides on ignition delay periods were examined under adiabatic conditions at constant volume. As a result, all cetane number improving agents reduced the ignition delay period of n-butane. On the other hand, nitromethane, wich has no cetane number improving effect, did not show any effect on the ignition delay period. Alkyl radicals produced from thermal decomposition of cetane number improving agents may play an important role in the reduction of the ignition delay period. The main reactions of the alkyl radicals involved in the reduction of the ignition delay period of n-butane were determined using the simple sensitivity analysis.

収録刊行物

  • 石油学会誌

    石油学会誌 41 (5), 341-347, 1998

    公益社団法人 石油学会

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