汽油代用燃料氧化的复杂化学动力学机理:正庚烷、异辛烷和甲苯-机理的发展和验证
A complex chemical kinetic mechanism for the oxidation of gasoline surrogate fuels: n heptane, iso octane and toluene - Mechanism development and validation
摘要:
本文提出了一种新的汽油替代复合物动力学机理,并对实验结果进行了验证。替代燃料是正庚烷、异辛烷和甲苯的三元混合物。完整的三组分机理是基于现有的正庚烷/异辛烷(汽油PRF)和甲苯的机制,修改和耦合的这项工作的目的。机制的结果进行了比较,从文献中可用的实验数据。对PRF加甲苯机制的模拟表明,在大多数测试环境中,其行为与实验结果一致。这些包括各种各样的热力学条件和燃料比例的实验配置,如HCCI发动机实验,快速压缩机,激波管和喷射搅拌反应器。
英文摘要:
The development and validation against experimental results of a new gasoline surrogate complex kinetic mechanism is presented in this paper. The surrogate fuel is a ternary mixture of n heptane, iso octane and toluene. The full three components mechanism is based on existing n heptane/iso octane (gasoline PRF) and toluene mechanisms which were modified and coupled for the purpose of this work. Mechanism results are compared against available experimental data from the literature. Simulations with the PRF plus toluene mechanism show that its behavior is in agreement with experimental results for most of the tested settings. These include a wide variety of thermodynamic conditions and fuel proportions in experimental configurations such as HCCI engine experiments, rapid compression machines, a shock tube and a jet stirred reactor.
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