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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Propagation characteristics of surface waves sustaining atmospheric pressure discharges: the influence of the discharge processes
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Propagation characteristics of surface waves sustaining atmospheric pressure discharges: the influence of the discharge processes

机译：维持大气压放电的表面波的传播特性：放电过程的影响

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The propagation characteristics of microwave frequency surface waves along atmospheric pressure plasma columns sustained in capillary tubes by these same waves are studied analytically and numerically. In contrast to what has been done to date in such a pressure range, our analysis includes the modelling of the discharge processes in order to account for their interdependence with the wave's propagation. To describe these processes and to determine the plasma parameters, we turn to a two-temperature model for non-equilibrium plasmas. The analysis of the wave dispersion is performed using a cold plasma, linear dielectric description; it assumes the local uniformity approximation, which is scrutinized. Also, we assume that the phase and attenuation coefficients of the wave, under given discharge conditions, depend only on the amount of power dissipated in the plasma per unit length. The obtained results are compared with known experimental data. [References: 39]
机译：分析和数值研究了微波频率表面波沿毛细管在大气压等离子体柱上的传播特性。与迄今为止在这样一个压力范围内所做的相反，我们的分析包括对放电过程的建模，以便考虑它们与波传播的相互依赖性。为了描述这些过程并确定等离子体参数，我们转向非平衡等离子体的两温模型。使用冷等离子体，线性介电描述进行波散分析。它假设局部均匀性近似，并进行仔细检查。同样，我们假设在给定的放电条件下，波的相位和衰减系数仅取决于每单位长度在等离子体中耗散的功率量。将获得的结果与已知的实验数据进行比较。 [参考：39]

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