当前位置: X-MOL 学术IEEE Trans. Plasma Sci. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Mechanism Governing the Dependence of Temporal Nonlinear Behavior on the Gap Width in Atmospheric-Pressure Helium Dielectric Barrier Discharge—Role of Residual Charged Particles
IEEE Transactions on Plasma Science ( IF 1.5 ) Pub Date : 2021-03-26 , DOI: 10.1109/tps.2021.3067809
Xiaotong Li 1 , Zhenyu Tan 1 , Xiaolong Wang 1 , Yadi Liu 2 , Changqing Lu 1
Affiliation  

In this article, the mechanism governing the dependence of temporal nonlinear behavior on the gap width in atmospheric-pressure helium dielectric barrier discharges has been numerically investigated based on a 1-D fluid model. The emphasis is placed on the role of residual charged particles. A complete evolution line of the discharge mode with the gap width has been given; it is in order of the symmetric single-period discharge, the asymmetric single-period discharge, the period-doubling discharge, and the chaotic discharge. In the asymmetric single-period discharges, the residual current coupling has been proposed for describing the effect of the residual positive column on the discharge, which dominates the asymmetry level of the asymmetric single-period discharge. The correlation of the residual current coupling with the seed electrons for the discharge in the positive half-cycle of the applied voltage has been revealed. This correlation indicates that the residual current coupling governs the evolution of the discharge mode with the gap width. Before it evolves into the chaos, the discharge will always first bifurcate from a symmetric single-period discharge into an asymmetric single-period discharge because an asymmetric discharge is governed mainly by the seed electrons after the residual electron peak which strongly correlates with a very weak discharge occurred in the negative half-cycle of the applied voltage.

中文翻译:

时空非线性行为对大气压氦介电阻挡放电间隙宽度的依赖性的机制-残余带电粒子的作用

在本文中,基于一维流体模型,对在大气压氦介电势垒放电中控制时间非线性行为对间隙宽度的依赖性的机理进行了数值研究。重点放在残余带电粒子的作用上。给出了具有间隙宽度的放电模式的完整演化线。按对称单周期放电,不对称单周期放电,倍频放电和混沌放电的顺序排列。在非对称单周期放电中,已经提出了残余电流耦合来描述残余正柱对放电的影响,该影响主导了非对称单周期放电的不对称水平。已经揭示了在施加电压的正半周中,剩余电流与用于放电的种子电子耦合的相关性。这种相关性表明,剩余电流耦合以间隙宽度控制放电模式的演变。在它演变成混沌之前,放电总是会先从对称的单周期放电分叉成不对称的单周期放电,因为不对称放电主要由剩余电子峰之后的晶种电子控制,而剩余电子峰与弱电子强烈相关。放电发生在施加电压的负半周。这种相关性表明,剩余电流耦合以间隙宽度控制放电模式的演变。在它演变成混沌之前,放电总是会先从对称的单周期放电分叉成不对称的单周期放电,因为不对称放电主要由剩余电子峰之后的种子电子控制,而剩余电子峰与弱电子强烈相关。放电发生在施加电压的负半周。这种相关性表明,剩余电流耦合以间隙宽度控制放电模式的演变。在它演变成混沌之前,放电总是会先从对称的单周期放电分叉成不对称的单周期放电,因为不对称放电主要由剩余电子峰之后的晶种电子控制,而剩余电子峰与弱电子强烈相关。放电发生在施加电压的负半周。
更新日期:2021-04-13
down
wechat
bug