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本文采用数值模拟方法确定了一种用于模拟甲烷火焰的详细化学反应机理模式，根据该模式进行了数值计算，得出了层流火焰速度与当量比的关系以及温度、各组分浓度沿ｘ轴线方向的分布曲线。计算结果与相应的实验结果进行了对比，表明在当量比小于１．３时，本文采用的模式不失为一种简单、有效的方法。本文还分析了反应模式中各反应式对火焰传播速度影响的相对重要性，及速率常数改变时给模拟结果带来的影响。
In this paper, a numerical simulation method to determine a detailed chemical reaction mechanism model for the simulation of methane flame, according to the model was calculated, the relationship between laminar flow flame velocity and equivalence ratio and temperature, the concentration of each component along the x Axial direction of the distribution curve. The calculated results are compared with the corresponding experimental results. It shows that the model adopted in this paper is a simple and effective method when the equivalence ratio is less than 1.3. This paper also analyzes the relative importance of each reaction type on the flame propagation velocity in the reaction mode and the impact on the simulation results when the rate constant changes.