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首页> 外文会议>International Congress on Plasma Physics >CO and C_2 excited states relaxation in CO_2 plasmas derived from a Collisional-Radiative model
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CO and C_2 excited states relaxation in CO_2 plasmas derived from a Collisional-Radiative model

机译：CO和C_2兴奋状态在群集辐射模型中的CO_2等离子体中放松

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摘要

In order to explain the behavior of the main excited electronic states of CO and C2 molecules formed in CO_2 entry or ground test facilities plasmas, a time-dependent Collisional- Radiative (CR) model is elaborated. This CR model is then included in the general balance equation of the species to give an insight on the influence of the transport and elementary processes. The related flows are generally observed under relatively low temperature owing to the numerous internal degrees of freedom to be excited, leading to a rather weak ionization degree. The electron-induced processes are even so taken into account:their in uence is studied and commented. The conditions to reach non-equilibrium steady states and the related characteristic time scales are discussed as well.
机译：为了解释在CO_2进入或地面测试设施等离子体中形成的CO和C2分子的主要激发电子态的行为，阐述了时间依赖的集合辐射（CR）模型。然后将该CR模型包括在物种的一般平衡方程中，以了解运输和基本过程的影响。由于兴奋的许多内部自由度，通常在相对较低的温度下观察到相关流量，导致电离程度相当弱。即使考虑到电子诱导的过程：研究并评论了它们的过度。讨论了达到非平衡稳态和相关特征时间尺度的条件。

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