Phenomenon of Skipping Sparks in Discharges on a Dielectric Surface

被引：0
|
作者：
Lee, T. S. [1 ]
Fung, B. K. [1 ]
Markus, David T. [1 ]
机构：
[1] Univ Minnesota, Dept Elect Engn, Minneapolis, MN 55455 USA
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2024年 / 60卷 / 01期
关键词：
Surface discharges; Brightness; Surface charging; Discharges (electric); Corona; Dielectrics; Delays;
D O I：
10.1109/TIA.2023.3346628
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Gliding sparks are associated with channel breakdown in air near a corona precharged dielectric layer backed by ground. Characterized by high current, their bright channels usually end in sudden branching/dimming. Infrequently, there occur cases in which channel brightness is interrupted, with no evident local branching but a new leader continuing on propagating after momentary delay. This skipping-spark phenomenon has been studied in an experimental system intended for taking Kirlian photographs. Operated in a Lichtenberg-figure mode, the method yields evidence in some detail. The authors report on observations of spark-channel touchdown and subsequent rebounding. A model based on nonuniform surface charging is proposed for explanation.
引用
收藏
页码：929 / 929
页数：1
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