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@article{1661956,
author = {Potočňáková, Lucia and Synek, Petr and Hoder, Tomáš},
article_location = {College Park},
article_number = {6},
doi = {http://dx.doi.org/10.1103/PhysRevE.101.063201},
keywords = {viscous droplet; nonthermal plasma; Hele-Shaw cell; instability},
language = {eng},
issn = {2470-0045},
journal = {Physical Review E},
title = {Viscous droplet in nonthermal plasma: Instability, fingering process, and droplet fragmentation},
url = {https://journals.aps.org/pre/abstract/10.1103/PhysRevE.101.063201},
volume = {101},
year = {2020}
}
TY - JOUR
ID - 1661956
AU - Potočňáková, Lucia - Synek, Petr - Hoder, Tomáš
PY - 2020
TI - Viscous droplet in nonthermal plasma: Instability, fingering process, and droplet fragmentation
JF - Physical Review E
VL - 101
IS - 6
SP - 1-15
EP - 1-15
PB - APS
SN - 24700045
KW - viscous droplet
KW - nonthermal plasma
KW - Hele-Shaw cell
KW - instability
UR - https://journals.aps.org/pre/abstract/10.1103/PhysRevE.101.063201
L2 - https://journals.aps.org/pre/abstract/10.1103/PhysRevE.101.063201
N2 - The interaction of dielectric barrier discharge plasma and silicone-oil liquid droplet in a Hele-Shaw cell was investigated experimentally employing synchronized optical and electrical time-resolved measurements. Temporal development of the destabilization, stretching, and fragmentation of the plasma-liquid interface was studied for the whole event lifespan. The perturbation wavelength and temporal development of fingering speed, plasma-liquid interface length, mean transferred charge, and fractal dimension of the pattern were determined. Recorded changes in the dissipated mean power show a strong correlation to subsequent stretching of the interface, opening new methodological possibilities for future investigations. Our extensive parametric study shows that oil viscosity and applied voltage amplitude both have a significant impact on the interface evolution. Notably, at relatively high voltages the destabilized interface featured properties noticeably diverging from the theoretical prediction of a known model. We propose an explanation based on the change of the liquid viscosity with increased heating at high applied voltage amplitudes.
ER -
POTOČŇÁKOVÁ, Lucia, Petr SYNEK a Tomáš HODER. Viscous droplet in nonthermal plasma: Instability, fingering process, and droplet fragmentation. \textit{Physical Review E}. College Park: APS, 2020, roč.~101, č.~6, s.~1-15. ISSN~2470-0045. Dostupné z: https://dx.doi.org/10.1103/PhysRevE.101.063201.
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