Počet záznamů: 1
Optical Emission Spectroscopy of Underwater Spark Generated by Pulse High-Voltage Discharge with Gas Bubble Assistant
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SYSNO ASEP 0565856 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Optical Emission Spectroscopy of Underwater Spark Generated by Pulse High-Voltage Discharge with Gas Bubble Assistant Tvůrce(i) Stelmashuk, Vitaliy (UFP-V) RID
Prukner, Václav (UFP-V) RID, ORCID
Koláček, Karel (UFP-V) RID
Tuholukov, Andrii (UFP-V)
Hoffer, Petr (UFP-V) RID
Štraus, Jaroslav (UFP-V) RID
Frolov, Oleksandr (UFP-V) RID
Jirásek, Vít (UFP-V)Celkový počet autorů 8 Číslo článku 1474 Zdroj.dok. Processes. - : MDPI
Roč. 10, č. 8 (2022)Poč.str. 8 s. Jazyk dok. eng - angličtina Země vyd. CH - Švýcarsko Klíč. slova black body radiation ; optical emission spectroscopy ; shockwave ; underwater spark ; water Vědní obor RIV CI - Průmyslová chemie a chemické inženýrství Obor OECD Chemical process engineering CEP GA18-12386S GA ČR - Grantová agentura ČR Způsob publikování Omezený přístup Institucionální podpora UFP-V - RVO:61389021 UT WOS 000845774500001 EID SCOPUS 85137577897 DOI 10.3390/pr10081474 Anotace This paper is aimed at the investigation of the acoustic and spectral characteristics of underwater electric sparks generated between two plate electrodes, using synchronized gas bubble injection. There are two purposes served by discharge initiation in the bubble. Firstly, it creates a favorable condition for electrical breakdown. Secondly, the gas bubble provides an opportunity for the direct spectroscopy of plasma light emission, avoiding water absorption. The effect of water absorption on captured spectra was studied. It was observed that the emission intensity of the Ha line and a shockwave amplitude generated by discharge strongly depend on the size of the gas bubble in the moment of the discharge initiation. It was found that the plasma in the underwater spark channel does not correspond to a source of black-body radiation. This study can be also very useful for understanding the difference between discharges produced directly in a liquid and discharges produced in gas/vapor bubbles surrounded by a liquid. Pracoviště Ústav fyziky plazmatu Kontakt Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Rok sběru 2023 Elektronická adresa https://www.mdpi.com/2227-9717/10/8/1474
Počet záznamů: 1