Refined analysis of current-voltage characteristics in Townsend dielectric barrier discharges in nitrogen at atmospheric pressure

被引：8

作者：

De Mejanes, Naomi ^{[1
,2
]}

Profili, Jacopo ^{[1
]}

Babaei, Sara ^{[1
]}

Naude, Nicolas ^{[2
]}

Stafford, Luc ^{[1
]}

机构：

[1] Univ Montreal, Dept Phys, 1375 Ave Therese Lavoie Roux, Montreal, PQ H2V 0B3, Canada

[2] Univ Toulouse, UPS, CNRS, LAPLACE,INPT, Toulouse, France

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2021年 / 54卷 / 09期

基金：

加拿大自然科学与工程研究理事会;

关键词：

dielectric barrier discharges; Townsend discharges; current– voltage characteristics; equivalent circuit model; discharge spreading;

D O I：

10.1088/1361-6463/abcb32

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A refined method is proposed to analyze surface spreading phenomena along the gas flow lines in plane-to-plane Townsend dielectric barrier discharges (TDBDs) in nitrogen at atmospheric pressure. Current-voltage characteristics are recorded as a function of gas residence time using a recently-developed, fragmented-electrode system and the results are analyzed using an equivalent circuit model using dielectric, gas and parasitic capacitances as adjustable parameters. The results show that the capacitance values are directly correlated to the surface spreading of the TDBD, which in turn, influences the shape of the discharge current and gas voltage curves for each half-cycle of the applied voltage. This highlights the importance of a good determination of the effective discharge surface area and therefore of the capacitance values in electrical analysis of TDBD.

引用

页数：9

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