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The effects of pulse frequency on chemical species formation in a nanosecond pulsed plasma gas-liquid film reactor
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SYSNO ASEP 0541267 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve SCOPUS Title The effects of pulse frequency on chemical species formation in a nanosecond pulsed plasma gas-liquid film reactor Author(s) Wandell, R. J. (US)
Bresch, D. (FR)
Wang, H. (US)
Babický, Václav (UFP-V) RID
Lukeš, Petr (UFP-V) RID, ORCID
Locke, B. R. (US)Number of authors 6 Article number e01008 Source Title International Journal of Plasma Environmental Science and Technology. - : Seidenki Gakkai - ISSN 1881-8692
Roč. 14, č. 1 (2020), s. 1-9Number of pages 9 s. Language eng - English Country JP - Japan Keywords Filamentary discharge ; Hydrogen peroxide ; Nanosecond discharge ; Non-thermal plasma ; Pulse frequency ; Wet plasma Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects GA19-25026S GA ČR - Czech Science Foundation (CSF) EF16_027/0008354 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Limited access Institutional support UFP-V - RVO:61389021 EID SCOPUS 85085592924 DOI 10.34343/ijpest.2020.14.e01008 Annotation The influence of pulse frequency (1−60 kHz) in a nanosecond filamentary discharge propagating along a flowing liquid water film was assessed with regards to the formation of chemical species with argon and helium carrier gasses. The production rate and energy yield for H2O2 and H2 were measured for both carrier gases, and O2 formation was determined for helium. The effect of pulse frequency on the energy dissipated per pulse as well as electron density was also investigated. The results indicate that the energy yield for H2O2 decreases with increasing pulse frequency while the energy yields of H2 and O2 remain relatively unaffected. It is proposed that the difference in the trends of the liquid versus gas phase products can be attributed to the significantly longer residence time of the liquid phase allowing for more degradation of formed hydrogen peroxide before it is able exit the reactor. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2022 Electronic address http://ijpest.com/Contents/14/1/e01008.html
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