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@article{1732002,
author = {Viegas, Pedro and Hofmans, Marlous and van Rooij, Olivier and Obrusník, Adam and Klarenaar, Bart L. M. and Bonaventura, Zdeněk and Guaitella, Olivier and Sobota, Ana and Bourdon, Anne},
article_location = {Bristol},
article_number = {9},
doi = {http://dx.doi.org/10.1088/1361-6595/aba7ec},
keywords = {plasma jet; plasma-surface; metallic surfaces; floating; grounded; benchmarking},
language = {eng},
issn = {0963-0252},
journal = {Plasma Sources Science and Technology},
title = {Interaction of an atmospheric pressure plasma jet with grounded and floating metallic targets: simulations and experiments},
url = {https://doi.org/10.1088/1361-6595/aba7ec},
volume = {29},
year = {2020}
}
TY - JOUR
ID - 1732002
AU - Viegas, Pedro - Hofmans, Marlous - van Rooij, Olivier - Obrusník, Adam - Klarenaar, Bart L. M. - Bonaventura, Zdeněk - Guaitella, Olivier - Sobota, Ana - Bourdon, Anne
PY - 2020
TI - Interaction of an atmospheric pressure plasma jet with grounded and floating metallic targets: simulations and experiments
JF - Plasma Sources Science and Technology
VL - 29
IS - 9
SP - 1-15
EP - 1-15
PB - IOP Publishing Ltd
SN - 09630252
KW - plasma jet
KW - plasma-surface
KW - metallic surfaces
KW - floating
KW - grounded
KW - benchmarking
UR - https://doi.org/10.1088/1361-6595/aba7ec
L2 - https://doi.org/10.1088/1361-6595/aba7ec
N2 - The interaction of kHz mu s-pulsed atmospheric pressure He jets with metallic targets is studied through simulations and experiments, focusing on the differences between floating and grounded targets. It is shown that the electric potential of the floating target is close to grounded in the instants after the impact of the discharge, but rises to a high voltage, potentially more than half of the applied voltage, at the end of the 1 mu s pulse. As a result, a return stroke takes place after the discharge impact with both grounded and floating targets, as a redistribution between the high voltage electrode and the low voltage target. Electric field, electron temperature and electron density in the plasma plume are higher during the pulse with grounded target than with floating target, as gradients of electric potential progressively dissipate in the latter case. Finally, at the fall of the pulse, another electrical redistribution takes place, with higher intensity with the highly-charged floating target than with the grounded target. It is shown that this phenomenon can lead to an increase in electric field, electron temperature and electron density in the plume with floating target.
ER -
VIEGAS, Pedro, Marlous HOFMANS, Olivier VAN ROOIJ, Adam OBRUSNÍK, Bart L. M. KLARENAAR, Zdeněk BONAVENTURA, Olivier GUAITELLA, Ana SOBOTA a Anne BOURDON. Interaction of an atmospheric pressure plasma jet with grounded and floating metallic targets: simulations and experiments. \textit{Plasma Sources Science and Technology}. Bristol: IOP Publishing Ltd, 2020, roč.~29, č.~9, s.~1-15. ISSN~0963-0252. Dostupné z: https://dx.doi.org/10.1088/1361-6595/aba7ec.
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