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中文摘要：
本文重点关注预测层流火焰速度和反应中关键组分的演变过程，采用一种实用的思路构建了一个的异辛烷化学动力学骨架模型，包含32种组分和111个反应。基于骨架模型的构建目标，将异辛烷的燃烧过程考虑为以下两个部分：一部分是详细的小分子机理，它作为整个机理的“内核”，详尽地描述了着火以后的反应过程和特性；另一部分是通过耦合“内核”来专门描述和控制着火特性的骨架模型。新的骨架模型分别采用激波管、喷射搅拌反应器、流动反应器、层流火焰速度和HCCI发动机进行了验证，均显示出很好的性能。
英文摘要：
Focusing on predicting laminar flame speed and important species evolution, a skeletal chemical kinetic model for iso-octane oxidation is constructed by using a practical methodology. The new model consists of 32 species and 111 reactions. Based on the skeletal model target, the methodology considers a combustion mechanism as two parts： a comprehensive part describing reaction processes involving small radicals and molecules as the ＇core＇, and a skeletal one which, in coupling with the ＇core＇, controls the ignition characteristics. The new iso-octane model has been validated against various experimental data including shock tube, jet-stirred reactor, flow reactor, laminar flame speed and HCCI engine, and shows good performance in all the cases.
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