In this paper,the model of aromatic hydrocarbons formation in TWC of gasoline engine was established by using the method of Monte Carlo.

• 本文应用蒙特卡罗方法建立了汽油机三元催化器(TWC)芳香烃演化模型,并使用实际发动机的实验结果对该模型进行了验证,结果表明该模型与实际基本相符。