Aliat A, Chikhaoui A, Kustova E V
IUSTI, Université de Provence, 5 Rue E. Fermi, 13453 Marseille Cedex 13, France.
Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Nov;68(5 Pt 2):056306. doi: 10.1103/PhysRevE.68.056306. Epub 2003 Nov 20.
An investigation is presented of a highly nonequilibrium CO flow with consistently coupled vibrational energy exchanges, chemical reactions, and radiation. A detailed state-to-state model taking into account vibration-vibration, vibration-translation, and vibration-electronic transitions, dissociation-recombination reactions, and radiative transitions between vibrational and electronic states is developed on the basis of kinetic theory methods. A closed set of master equations for vibration-electronic level populations, number densities of atomic species, radiation intensity, temperature, and velocity is derived, and a one-dimensional inviscid carbon monoxide flow behind a plane shock wave is studied numerically. Several models of vibrational transition and dissociation rates in high temperature carbon monoxide are tested, and a model satisfying both accuracy and feasibility requirements is recommended. The role of various energy transfers and chemical reactions in the formation of nonequilibrium vibrational distributions in a shock heated CO flow is studied, and the influence of state-to-state distributions on macroscopic flow parameters and radiation intensity is discussed.
本文对一种具有持续耦合振动能量交换、化学反应和辐射的高度非平衡一氧化碳流进行了研究。基于动力学理论方法，建立了一个详细的态对态模型，该模型考虑了振动 - 振动、振动 - 平动以及振动 - 电子跃迁、离解 - 复合反应，以及振动态与电子态之间的辐射跃迁。推导了一组关于振动 - 电子能级布居、原子种类数密度、辐射强度、温度和速度的封闭主方程，并对平面激波后的一维无粘一氧化碳流进行了数值研究。测试了高温一氧化碳中几种振动跃迁和解离速率模型，并推荐了一种满足精度和可行性要求的模型。研究了各种能量转移和化学反应在激波加热的一氧化碳流中非平衡振动分布形成中的作用，并讨论了态对态分布对宏观流动参数和辐射强度的影响。
