| SYNEK, Petr, Miroslav ZEMÁNEK, Vít KUDRLE a Tomáš HODER. Advanced electrical current measurements of microdischarges: evidence of sub-critical pulses and ion currents in barrier discharge in air. PLASMA SOURCES SCIENCE & TECHNOLOGY. BRISTOL: IOP PUBLISHING LTD, 2018, roč. 27, č. 4, s. nestránkováno, 15 s. ISSN 0963-0252. Dostupné z: https://dx.doi.org/10.1088/1361-6595/aab6d5. |
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@article{1418924,
author = {Synek, Petr and Zemánek, Miroslav and Kudrle, Vít and Hoder, Tomáš},
article_location = {BRISTOL},
article_number = {4},
doi = {http://dx.doi.org/10.1088/1361-6595/aab6d5},
keywords = {electrical measurements; streamer; charge transfer; barrier discharge; corona; electrical current},
language = {eng},
issn = {0963-0252},
journal = {PLASMA SOURCES SCIENCE & TECHNOLOGY},
title = {Advanced electrical current measurements of microdischarges: evidence of sub-critical pulses and ion currents in barrier discharge in air},
volume = {27},
year = {2018}
}
TY - JOUR
ID - 1418924
AU - Synek, Petr - Zemánek, Miroslav - Kudrle, Vít - Hoder, Tomáš
PY - 2018
TI - Advanced electrical current measurements of microdischarges: evidence of sub-critical pulses and ion currents in barrier discharge in air
JF - PLASMA SOURCES SCIENCE & TECHNOLOGY
VL - 27
IS - 4
SP - nestránkováno
EP - nestránkováno
PB - IOP PUBLISHING LTD
SN - 09630252
KW - electrical measurements
KW - streamer
KW - charge transfer
KW - barrier discharge
KW - corona
KW - electrical current
N2 - Electrical current measurements in corona or barrier microdischarges are a challenge as they require both high temporal resolution and a large dynamic range of the current probe used. In this article, we apply a simple self-assembled current probe and compare it to commercial ones. An analysis in the time and frequency domain is carried out. Moreover, an improved methodology is presented, enabling both temporal resolution in sub-nanosecond times and current sensitivity in the order of tens of micro-amperes. Combining this methodology with a high-tech oscilloscope and self-developed software, a unique statistical analysis of currents in volume barrier discharge driven in atmospheric-pressure air is made for over 80 consecutive periods of a 15 kHz applied voltage. We reveal the presence of repetitive sub-critical current pulses and conclude that these can be identified with the discharging of surface charge microdomains. Moreover, extremely low, long-lasting microsecond currents were detected which are caused by ion flow, and are analysed in detail. The statistical behaviour presented gives deeper insight into the discharge physics of these usually undetectable current signals.
ER -
SYNEK, Petr, Miroslav ZEMÁNEK, Vít KUDRLE a Tomáš HODER. Advanced electrical current measurements of microdischarges: evidence of sub-critical pulses and ion currents in barrier discharge in air. \textit{PLASMA SOURCES SCIENCE \&{} TECHNOLOGY}. BRISTOL: IOP PUBLISHING LTD, 2018, roč.~27, č.~4, s.~nestránkováno, 15 s. ISSN~0963-0252. Dostupné z: https://dx.doi.org/10.1088/1361-6595/aab6d5.
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