多组分柴油/氨双燃料化学反应动力学简化机理研究
Study on Simplified Mechanism of Chemical Reaction Kinetics in Multicomponent Diesel/Ammonia Dual Fuel Engine
针对柴油/氨化学反应动力学机理简化难题,提出了一种基于氨,正十烷,异辛烷,甲基环己烷和甲苯的多组分柴油/氨双燃料化学反应动力学机理简化方法,获得了包含90个组分和400个基元反应的机理模型。结合OH自由基敏感性分析法对机理模型进行了优化,并对比快速压缩机测量的滞燃期试验数据进行验证。结果表明:该化学反应动力学机理能够在较宽的范围内准确预测柴油/氨点火延迟期,可用于不同氨能量替代率、温度、压力和当量比条件下柴油/氨双燃料燃烧特性仿真,与现有详细机理…查看全部>>
Aiming at the problem of simplifying the chemical reaction kinetics mechanism of diesel/ammonia,a simplified method of the chemical reaction kinetics mechanism of multi-component diesel/ammonia dual fuel based on ammonia,n-decane,isooctane,methylcyclohexane and toluene was proposed,and a mechanism model containing 90 species and 400 elementary reactions was obtained.The mechanism model was optimized using the OH radical sensitivity analysis method and …查看全部>>
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