LAPSE:2023.2844
Published Article
LAPSE:2023.2844
Optical Emission Spectroscopy of Underwater Spark Generated by Pulse High-Voltage Discharge with Gas Bubble Assistant
February 21, 2023
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.
Record ID
Keywords
black body radiation, optical emission spectroscopy, shockwave, underwater spark, Water
Suggested Citation
Stelmashuk V, Prukner V, Kolacek K, Tuholukov A, Hoffer P, Straus J, Frolov O, Jirasek V. Optical Emission Spectroscopy of Underwater Spark Generated by Pulse High-Voltage Discharge with Gas Bubble Assistant. (2023). LAPSE:2023.2844
Author Affiliations
Stelmashuk V: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic [ORCID]
Prukner V: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic
Kolacek K: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic [ORCID]
Tuholukov A: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic
Hoffer P: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic
Straus J: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic
Frolov O: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic [ORCID]
Jirasek V: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic
Prukner V: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic
Kolacek K: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic [ORCID]
Tuholukov A: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic
Hoffer P: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic
Straus J: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic
Frolov O: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic [ORCID]
Jirasek V: Department of Pulse Plasma Systems, Institute of Plasma Physics of the Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague, Czech Republic
Journal Name
Processes
Volume
10
Issue
8
First Page
1474
Year
2022
Publication Date
2022-07-27
Published Version
ISSN
2227-9717
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Original Submission
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PII: pr10081474, Publication Type: Journal Article
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LAPSE:2023.2844
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doi:10.3390/pr10081474
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[v1] (Original Submission)
Feb 21, 2023
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Feb 21, 2023
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