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首页> 外文期刊>Plasma physics and controlled fusion >Numerical study of the influence of surface reaction probabilities on reactive species in an rf atmospheric pressure plasma containing humidity
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Numerical study of the influence of surface reaction probabilities on reactive species in an rf atmospheric pressure plasma containing humidity

机译：耐湿度反应物质表面反应概率对耐湿度的反应性物种影响的数值研究

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摘要

The quantification and control of reactive species (RS) in atmospheric pressure plasmas (APPs) is of great interest for their technological applications, in particular in biomedicine. Of key importance in simulating the densities of these species are fundamental data on their production and destruction. In particular, data concerning particle-surface reaction probabilities in APPs are scarce, with most of these probabilities measured in low-pressure systems. In this work, the role of surface reaction probabilities, gamma, of reactive neutral species (H, O and OH) on neutral particle densities in a He-H2O. radio-frequency micro APP jet (COST-mu APPJ) are investigated using a global model. It is found that the choice of gamma, particularly for low-mass species having large diffusivities, such as H, can change computed species densities significantly. The importance of gamma even at elevated pressures offers potential for tailoring the RS composition of atmospheric pressure microplasmas by choosing different wall materials or plasma geometries.
机译：在大气压等离子体（APPS）中的反应性物种（RS）的定量和控制对其技术应用具有很大的兴趣，特别是生物医学。在模拟这些物种的密度的关键重要性是他们生产和破坏的基本数据。特别地，关于应用中的粒子反应概率的数据是稀缺的，大部分这些概率在低压系统中测量。在这项工作中，表面反应概率，γ，反应性中性物质（H，O和OH）的作用在HE-H2O中中性颗粒密度上。使用全局模型调查射频Micro App Jet（COST-MU APPJ）。发现γ的选择，特别是对于具有大扩散性的低质量物质，例如H，可以显着改变计算的物种密度。即使在升高的压力下也的重要性也能通过选择不同的墙体材料或等离子体几何形状来定制大气压微观的RS组成。

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