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Nanosecond pulsed multi-hollow surface dielectric barrier discharge for ozone production.

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Title: Nanosecond pulsed multi-hollow surface dielectric barrier discharge for ozone production.
Authors: Jin, Chenyang1 (AUTHOR), Lin, Fawei2 (AUTHOR), Peng, Bangfa3 (AUTHOR), Wei, Linsheng4 (AUTHOR), Ling, Zhongqian1 (AUTHOR), Zeng, Xianyang1 (AUTHOR), Yuan, Dingkun1 (AUTHOR) yaphets@cjlu.edu.cn
Source: Vacuum. Aug2025, Vol. 238, pN.PAG-N.PAG. 1p.
Subjects: Electronic excitation, Chemical processes, Ozone generators, Cooling of water, Temperature control
Abstract: Dielectric barrier discharge is effective for generating reactive species, making it particularly suitable for chemical processes such as ozone synthesis. This study investigates ozone production and nitrogen oxides formation in a micro-hollow surface dielectric barrier discharge reactor driven by nanosecond pulses at atmospheric pressure for the first time. Effects of pulse widths (100–1000 ns) and rise times (50–250 ns) on electrical properties, optical emission spectra, and gas-phase products were analyzed. Longer pulse widths enhanced discharge uniformity, raised rotational temperature, and reduced vibrational temperature, while shorter rise times improved ozone efficiency and electron excitation temperature. The peak ozone generation efficiency (57.45 g/Nm3), under varying pulse width and rise time parameters, was achieved with a 1000 ns pulse width and 50 ns rise time, at an energy input of 156.24 J/L. The optimal flow rate of 1 SLM was found to achieve the maximum ozone generation efficiency of 73.94 g/kWh. Nitrogen oxide measurements showed increased NO 2 and N 2 O concentrations with pulse width, while rise time had minimal impact. These findings provide valuable insights for designing industrial dielectric barrier discharge ozone generators. • Increasing the pulse width helps to improve ozone generation efficiency. • Shorter rise times enhance energy efficiency and electron excitation temperature. • Pulsed power and water cooling combined enable more effective temperature control. • NO 2 and N 2 O increase with pulse width, while NO concentration remains negligible. [ABSTRACT FROM AUTHOR]
Copyright of Vacuum is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 185622647
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Nanosecond pulsed multi-hollow surface dielectric barrier discharge for ozone production.
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  Data: <searchLink fieldCode="AR" term="%22Jin%2C+Chenyang%22">Jin, Chenyang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin%2C+Fawei%22">Lin, Fawei</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Peng%2C+Bangfa%22">Peng, Bangfa</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wei%2C+Linsheng%22">Wei, Linsheng</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ling%2C+Zhongqian%22">Ling, Zhongqian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zeng%2C+Xianyang%22">Zeng, Xianyang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yuan%2C+Dingkun%22">Yuan, Dingkun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yaphets@cjlu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Vacuum%22">Vacuum</searchLink>. Aug2025, Vol. 238, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Electronic+excitation%22">Electronic excitation</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+processes%22">Chemical processes</searchLink><br /><searchLink fieldCode="DE" term="%22Ozone+generators%22">Ozone generators</searchLink><br /><searchLink fieldCode="DE" term="%22Cooling+of+water%22">Cooling of water</searchLink><br /><searchLink fieldCode="DE" term="%22Temperature+control%22">Temperature control</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Dielectric barrier discharge is effective for generating reactive species, making it particularly suitable for chemical processes such as ozone synthesis. This study investigates ozone production and nitrogen oxides formation in a micro-hollow surface dielectric barrier discharge reactor driven by nanosecond pulses at atmospheric pressure for the first time. Effects of pulse widths (100–1000 ns) and rise times (50–250 ns) on electrical properties, optical emission spectra, and gas-phase products were analyzed. Longer pulse widths enhanced discharge uniformity, raised rotational temperature, and reduced vibrational temperature, while shorter rise times improved ozone efficiency and electron excitation temperature. The peak ozone generation efficiency (57.45 g/Nm3), under varying pulse width and rise time parameters, was achieved with a 1000 ns pulse width and 50 ns rise time, at an energy input of 156.24 J/L. The optimal flow rate of 1 SLM was found to achieve the maximum ozone generation efficiency of 73.94 g/kWh. Nitrogen oxide measurements showed increased NO 2 and N 2 O concentrations with pulse width, while rise time had minimal impact. These findings provide valuable insights for designing industrial dielectric barrier discharge ozone generators. • Increasing the pulse width helps to improve ozone generation efficiency. • Shorter rise times enhance energy efficiency and electron excitation temperature. • Pulsed power and water cooling combined enable more effective temperature control. • NO 2 and N 2 O increase with pulse width, while NO concentration remains negligible. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Vacuum is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.vacuum.2025.114252
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
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      – SubjectFull: Electronic excitation
        Type: general
      – SubjectFull: Chemical processes
        Type: general
      – SubjectFull: Ozone generators
        Type: general
      – SubjectFull: Cooling of water
        Type: general
      – SubjectFull: Temperature control
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      – TitleFull: Nanosecond pulsed multi-hollow surface dielectric barrier discharge for ozone production.
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            NameFull: Jin, Chenyang
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            NameFull: Lin, Fawei
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            NameFull: Peng, Bangfa
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            NameFull: Wei, Linsheng
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            NameFull: Ling, Zhongqian
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            – D: 01
              M: 08
              Text: Aug2025
              Type: published
              Y: 2025
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