有化学反应的气体的非平衡数值模拟

NUMERICAL SIMULATION FOR CHEMICAL NONEQUILIBRIUM FLOW

利用三温度动态模型，对具有化学反应的强正激波后的高温气体的非平衡流动进行了数值模拟，在较宽的马赫数范围内（６～２６），计算出了各种气动参数及气体组分在非平衡区随时间的变化历程，并与有关文献进行了比较。

A numerical simulation is described for nonequilibrium flows of high temperature gas behind strong normal shock waves with chemical reactions by using a three temperature kinetic model. The collision dissociation reactions, bimolecular exchange reactions and dissociative recombination reactions are considered in the model. The three temperature kinetic model includes the translational temperature, oxygen molecular vibration temperature and nitrogen molecular vibration temperature. The variations of gas parameters and chemical species with time in nonequilibrium region are calculated in a wider range of Mach number(6～26). The calculated results are compared with the results of relative references.