大气中脉动辉光型单极日冕产生的丝状电荷负载流的新见解

IF 1.4 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Francesco Lattarulo
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引用次数: 0

摘要

涉及电荷载流子和中性粒子之间弹性碰撞的扩散过程长期以来一直是气体中受限直流电晕放电外更宽漂移区注入后动量损失的主要候选者。为了更好地理解大气中电晕辅助单极离子流,本文提出了一个补充研究范式。在这方面,空气中辉光型冠状病毒的自动脉冲模式被建模为动量源,其守恒在整个外部转移区域基本上得到了保留。关于自发对称性破坏不稳定性,提出了在缓冲气体中以具有可忽略漂移分量的丝状对流形式进行荷流的切实前景。这种设置与自推进(活性)粒子的自组织集体行为有一些相似之处。该方案的值获得的强度恰好与电极周围易于进入电晕的电场的强不均匀性有关。在此基础上,鉴于目前模型中提出的论点,人们认为电晕产生的离子的漂移值得重新考虑。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

New insight on filamentary charge-loaded flows originated by pulsating glow-type unipolar coronas in atmospheric air

New insight on filamentary charge-loaded flows originated by pulsating glow-type unipolar coronas in atmospheric air

The diffusional process involving elastic collisions between charge carriers and neutrals has long been the predominant candidate for post-injection momentum loss in the far wider drift region outside confined DC corona discharges in gases. A supplementary research paradigm is here put forward for the interest of a greater understanding of corona-assisted unipolar ion flows in atmospheric air. In this respect, the auto-pulsing mode of glow-type coronas in air is modelled as a source of momentum whose conservation is substantially preserved across the external transfer region. The tangible prospect of charge-bearing flows in the form of a filamentary convection, with negligible drifting component, in buffer gas is put forward in relation to spontaneous symmetry-breaking instability. This setting bears some resemblance to the self-organised collective behaviour of self-propelled (active) particles. The value of this scheme gains strength precisely in relation to the strong inhomogeneity of the electric field surrounding electrodes prone to go into corona. On such a basis, it is believed that the drift of corona-generated ions deserves to be reconsidered in view of the arguments set out in the present modelling.

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来源期刊
Iet Science Measurement & Technology
Iet Science Measurement & Technology 工程技术-工程:电子与电气
CiteScore
4.30
自引率
7.10%
发文量
41
审稿时长
7.5 months
期刊介绍: IET Science, Measurement & Technology publishes papers in science, engineering and technology underpinning electronic and electrical engineering, nanotechnology and medical instrumentation.The emphasis of the journal is on theory, simulation methodologies and measurement techniques. The major themes of the journal are: - electromagnetism including electromagnetic theory, computational electromagnetics and EMC - properties and applications of dielectric, magnetic, magneto-optic, piezoelectric materials down to the nanometre scale - measurement and instrumentation including sensors, actuators, medical instrumentation, fundamentals of measurement including measurement standards, uncertainty, dissemination and calibration Applications are welcome for illustrative purposes but the novelty and originality should focus on the proposed new methods.
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