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High pressure study of n-propylbenzene oxidation

机译：正丙基苯氧化的高压研究

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The high pressure and temperature kinetics of n-propylbenzene oxidation were investigated in the High Pressure Single Pulse Shock Tube at University of Illinois at Chicago. Experiments were performed at nominal reflected shock pressures of 25 and 50atm, with the temperatures ranging from 838 to 1669 K and for an equivalence ratio of 0.5-1.9. A variety of stable species ranging from aliphatic hydrocarbons to single ring and polycyclic aromatic hydrocarbons were sampled from the shock tube and analyzed using standard gas chromatographic techniques. Within the range of this experimental study, the fuel decay was seen to be insensitive to the changes in pressure. The formation of the intermediates from the fuel were influenced by the concentration of the oxidizer. A detailed chemical kinetic model was developed to simulate the stable species profiles as obtained from the high pressure oxidation experiments. The model provides a satisfactory fit for the consumption of the fuel, oxidizer and the formation of the major aliphatic, mono-aromatic and polycyclic aromatic hydrocarbons.
机译：在芝加哥伊利诺伊大学的高压单脉冲激波管中研究了正丙基苯氧化的高压和高温动力学。在标称反射冲击压力为25和50atm的条件下进行实验，温度范围为838至1669 K，当量比为0.5-1.9。从冲击管中采样了从脂族烃到单环和多环芳烃的各种稳定物质，并使用标准气相色谱技术进行了分析。在该实验研究的范围内，可以看到燃料衰减对压力的变化不敏感。由燃料形成的中间体受氧化剂浓度的影响。开发了详细的化学动力学模型以模拟从高压氧化实验中获得的稳定的物种分布。该模型为燃料，氧化剂的消耗以及主要脂族，单芳族和多环芳烃的形成提供了令人满意的拟合。

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