Deposition of charged aerosols by E × B enhanced low-temperature plasma jet array,Plasma Processes and Polymers

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Deposition of charged aerosols by E × B enhanced low-temperature plasma jet array
Plasma Processes and Polymers ( IF 2.9 ) Pub Date : 2021-08-31 , DOI: 10.1002/ppap.202100085
Baihan Chen ₁ , Zhongzheng Huang ₁ , Dawei Liu ₁

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In this paper, an efficient plasma jet array based on the E × B enhancement was developed. The direction of the magnetic field was the same as the propagation direction of the plasma jet, and the direction of the electric field was perpendicular to the plasma jet. The E × B enhancement increased the length of the plasma jet from 0.5 to 1.8 cm, the discharge current peak by 37.8%, and the plasma power by 11.1%, compared with the control case. Three-dimensional simulation of electrons movement indicates that the confinement of electrons in the high argon concentration region was the main reason for the E × B enhancement. The stronger discharge based on the E × B enhancement increased the ion density in the open air significantly. The charged aerosols were generated through the diffusion charging mechanism. The image charge electric force between charged and neutral aerosols increased the collision rate between aerosols, therefore, the larger aerosols were generated, and 108% more deposition of aerosols than the natural settlement case were achieved.

中文翻译：

E×B增强型低温等离子体射流阵列沉积带电气溶胶

在本文中，开发了一种基于 E×B 增强的高效等离子体射流阵列。磁场方向与等离子体射流的传播方向相同，电场方向垂直于等离子体射流。与对照情况相比，E×B 增强使等离子体射流的长度从 0.5 厘米增加到 1.8 厘米，放电电流峰值增加了 37.8%，等离子体功率增加了 11.1%。电子运动的三维模拟表明，电子在高氩浓度区域的限制是 E×B 增强的主要原因。基于 E×B 增强的更强放电显着增加了露天的离子密度。带电气溶胶是通过扩散带电机制产生的。

更新日期：2021-08-31

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