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Excited-state kinetics and radiation transport in low-temperature plasmas

机译:低温等离子体中的激发态动力学和辐射传输

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An advanced self-consistent plasma physics model including non-equilibrium vibrational kinetics, a collisional radiative model for atomic species, a Boltzmann solver for the electron energy distribution function, a radiation transport module coupled to a steady inviscid flow solver and, has been applied to study non-equilibrium in high enthalpy flows for Jupiter's atmosphere. Two systems have been considered, a hypersonic shock tube and nozzle expansion, emphasizing the role of radiation reabsorption on macroscopic and microscopic flow properties. Large differences are found between thin and thick plasma conditions not only for the distributions, but also for the macroscopic quantities. In particular, in the nozzle expansion case, the electron energy distribution functions are characterized by a rich structure induced by superelastic collisions between excited species and cold electrons.
机译:一种先进的自洽等离子体物理模型,包括非平衡振动动力学,原子物种的碰撞辐射模型,用于电子能量分布函数的玻尔兹曼求解器,与稳态无粘性流求解器耦合的辐射传输模块,并且已应用于研究高焓流对木星大气的非平衡。已经考虑了两个系统,即超音速激波管和喷嘴扩展,强调了辐射重吸收对宏观和微观流动特性的作用。不仅在分布上,而且在宏观量上,在薄等离子体条件和厚等离子体条件之间都发现了很大的差异。特别地,在喷嘴膨胀的情况下,电子能量分布函数的特征在于由激发物种和冷电子之间的超弹性碰撞引起的富结构。

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