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A high pressure shock tube study of n-propylbenzene oxidation and its comparison with n-butylbenzene

机译：正丙苯氧化的高压激波管研究及其与正丁苯的比较

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摘要

Ignition delay times have been measured for mixtures of n-propylbenzene in air (≈21% O_2, ≈79% N_2) at equivalence ratios of 0.29, 0.48, 0.96 and 1.92 and at reflected shock pressures of 1, 10 and 30 atm in a heated high-pressure shock tube over a wide temperature range (1000-1600 K). The effects of reflected shock pressure and of equivalence ratio on ignition delay time were determined and common trends highlighted. Simulations were carried out using the n-propylbenzene sub-mechanism contained in an n-butylbenzene reaction mechanism available in the literature. This kinetic model was improved by including pressure dependent reactions which were not in place previously and the addition of the NUI Galway C_0-C_4 sub-mechanism. These simulations showed very good agreement with the experimental data. Additionally a comparison is made with experimental data previously obtained and published for n-butylbenzene over the same range of conditions and common trends are highlighted.
机译：在空气中正丙基苯的混合物（≈21％O_2，≈79％N_2）的当量比为0.29、0.48、0.96和1.92以及反射冲击压力分别为1、10和30 atm时，已测定了点火延迟时间。在很宽的温度范围（1000-1600 K）内加热高压冲击管。确定了反射冲击压力和当量比对点火延迟时间的影响，并突出了常见趋势。使用文献中可用的正丁基苯反应机理中包含的正丙基苯亚机理进行了模拟。通过包括以前不存在的压力依赖性反应和添加NUI Galway C_0-C_4子机制，改进了动力学模型。这些模拟结果与实验数据非常吻合。另外，在相同条件范围内，与先前获得并发表的正丁基苯实验数据进行了比较，并突出了共同趋势。

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  • 来源
    《Combustion and Flame》 |2012年第7期|p.2219-2232|共14页
  • 作者

    Daniel Darcy; Colin J. Tobin; Kenji Yasunaga; John M. Simmie; Judith Wurmel; Wayne K. Metcalfe; Tidjani Niass; Syed S. Ahmed; Charles K. Westbrook; Henry J. Curran;

  • 作者单位

    Combustion Chemistry Centre, School of Chemistry, NUI Galway, Ireland;

    Combustion Chemistry Centre, School of Chemistry, NUI Galway, Ireland;

    Combustion Chemistry Centre, School of Chemistry, NUI Galway, Ireland;

    Combustion Chemistry Centre, School of Chemistry, NUI Galway, Ireland;

    Combustion Chemistry Centre, School of Chemistry, NUI Galway, Ireland;

    Combustion Chemistry Centre, School of Chemistry, NUI Galway, Ireland;

    Research and Development Division, Saudi Aramco, Saudi Arabia;

    Research and Development Division, Saudi Aramco, Saudi Arabia;

    Lawrence Livermore National Laboratory, Livermore, CA 94551, United States;

    Combustion Chemistry Centre, School of Chemistry, NUI Galway, Ireland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    shock tube; oxidation; ignition; propylbenzene; ignition delay times; butylbenzene;

    机译：冲击管氧化点火;丙基苯;点火延迟时间;丁苯;

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