中文摘要：

在介质阻挡放电等离子体N2／O2／H2O／HCHO体系中通过解Boltzmann方程，得到电子能量分布函数，利用得到的电子能量分布函数计算电子。分子碰撞反应速率常数。然后把有关的反应速率常数带入速率方程，计算得到该体系在介质阻挡放电时，·OH、HO2·和电子的浓度随时间的演变以及·OH、HO2·浓度随H2O、O2摩尔分数的变化，并将模拟结果与实验值进行了对比，两者符合得较好。

英文摘要：

Electron energy distribution functions for N2/O2/H2O/HCHO dielectric barrier discharge plasma were obtained by numerically solving the Boltzmann equation. The electron-molecule reaction constants were calculated using the computed electron energy distribution function. A space averaged chemic, al kinetics model in dielectric barrier discharge was reported. The evolution of · OH, HO2· and electron as tractions of time were studied. The influences of H2O and O2 molar ratios on the generations of · OH and HO2· were also discussed. The calculated results were in good agreement with our experiments result.