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@inproceedings{1350734,
author = {Dvořák, Pavel and Talába, Marek and Mrkvičková, Martina and Obrusník, Adam and Ráheľ, Jozef and Dědina, Jiří and Kratzer, Jan},
address = {Bratislava},
booktitle = {23rd Europhysics Conference on Atomic and Molecular Physics of Ionized Gases - proceedings},
editor = {V. Medvecká, P. Papp, J. Országh, Š. Matejčík},
keywords = {TALIF; plasma; fluorescence; hydrogen; DBD},
howpublished = {paměťový nosič},
language = {eng},
location = {Bratislava},
isbn = {979-1-09-638902-5},
note = {Další projekty: P206/14-23532S, RVO: 68081715},
pages = {76 - 77},
publisher = {European Physical Society},
title = {Fluorescence measurements of atomic hydrogen radicals in active environments ignited at atmospheric pressure},
year = {2016}
}
TY - JOUR
ID - 1350734
AU - Dvořák, Pavel - Talába, Marek - Mrkvičková, Martina - Obrusník, Adam - Ráheľ, Jozef - Dědina, Jiří - Kratzer, Jan
PY - 2016
TI - Fluorescence measurements of atomic hydrogen radicals in active environments ignited at atmospheric pressure
PB - European Physical Society
CY - Bratislava
SN - 9791096389025
N1 - Další projekty: P206/14-23532S, RVO: 68081715
KW - TALIF
KW - plasma
KW - fluorescence
KW - hydrogen
KW - DBD
N2 - Spatial maps of concentration of atomic hydrogen radicals in coplanar surface dielectric barrier discharge (DBD), volume DBD and a flame atomizer in Ar – H 2 (– O 2 ) mixtures were measured by two-photon absorption laser-induced fluorescence (TALIF) and modeled by a gas flow and plasma chemistry simulation. Problematic points of TALIF measurement at atmospheric pressure were analyzed, including laser-surface interactions and fast quenching of excited species. A high atomic hydrogen concentration was found in the coplanar surface DBD, which is in agreement with the high power density in the thin discharge channel. It was shown that the dielectric surface serves as a source or reservoir of hydrogen radicals. Whereas in both DBDs addition of oxygen led to a fast decrease of atomic hydrogen concentration, some optimum flow of oxygen for production of atomic hydrogen in the flame atomizer was found.
ER -
DVOŘÁK, Pavel, Marek TALÁBA, Martina MRKVIČKOVÁ, Adam OBRUSNÍK, Jozef RÁHEĽ, Jiří DĚDINA a Jan KRATZER. Fluorescence measurements of atomic hydrogen radicals in active environments ignited at atmospheric pressure. In V. Medvecká, P. Papp, J. Országh, Š. Matejčík. \textit{23rd Europhysics Conference on Atomic and Molecular Physics of Ionized Gases - proceedings}. Bratislava: European Physical Society, 2016, s.~76 - 77. ISBN~979-1-09-638902-5.
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