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Influence of Lateral Explosion Relief Conduit Inclination on Methane/Air-Premixed Flame Propagation in Pipelines.

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Title: Influence of Lateral Explosion Relief Conduit Inclination on Methane/Air-Premixed Flame Propagation in Pipelines.
Authors: Huang, Yong1 (AUTHOR) huangyong001@cczu.edu.cn, Hou, Linjiang1 (AUTHOR), Cao, Linna1 (AUTHOR), Deng, Wenhui1 (AUTHOR), Hao, Yongmei1 (AUTHOR)
Source: Combustion Science & Technology. 2025, Vol. 197 Issue 17, p4726-4742. 17p.
Subjects: Methane, Pipeline transportation, Flame, Turbulence, Flame spread, Pressure control
Abstract: To study the influence of explosion relief conduit angle on the explosion characteristics of methane in the pipeline, in the 2000 mm square pipeline to carry out conduit explosion relief experiments, to explore the effect of different inclination angle of the conduit relief to the square pipeline as the object of study, and combined with the k-ε turbulence model to simulate the localized flame of the Explosion relief conduit. The results show that: the explosion relief conduit can effectively reduce the pressure in the pipeline, tilted at an acute angle of the explosion relief conduit in the flame propagation of turbulence is smaller, and more conducive to the release of pressure. When the angle of the explosion relief conduit is 45°, the intensity of turbulence generated at the mouth of the branch pipe is the smallest, the peak pressure in the pipeline compared to the no lateral conditions is reduced by 37.47%, the flame propagation time is extended by 41.44%, the explosion relief effect is related to the angle of the explosion relief conduit and the pipeline. [ABSTRACT FROM AUTHOR]
Copyright of Combustion Science & Technology is the property of Taylor & Francis Ltd 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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DbLabel: Engineering Source
An: 189081037
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Influence of Lateral Explosion Relief Conduit Inclination on Methane/Air-Premixed Flame Propagation in Pipelines.
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  Data: <searchLink fieldCode="AR" term="%22Huang%2C+Yong%22">Huang, Yong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> huangyong001@cczu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Hou%2C+Linjiang%22">Hou, Linjiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cao%2C+Linna%22">Cao, Linna</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Deng%2C+Wenhui%22">Deng, Wenhui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hao%2C+Yongmei%22">Hao, Yongmei</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Combustion+Science+%26+Technology%22">Combustion Science & Technology</searchLink>. 2025, Vol. 197 Issue 17, p4726-4742. 17p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Methane%22">Methane</searchLink><br /><searchLink fieldCode="DE" term="%22Pipeline+transportation%22">Pipeline transportation</searchLink><br /><searchLink fieldCode="DE" term="%22Flame%22">Flame</searchLink><br /><searchLink fieldCode="DE" term="%22Turbulence%22">Turbulence</searchLink><br /><searchLink fieldCode="DE" term="%22Flame+spread%22">Flame spread</searchLink><br /><searchLink fieldCode="DE" term="%22Pressure+control%22">Pressure control</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To study the influence of explosion relief conduit angle on the explosion characteristics of methane in the pipeline, in the 2000 mm square pipeline to carry out conduit explosion relief experiments, to explore the effect of different inclination angle of the conduit relief to the square pipeline as the object of study, and combined with the k-ε turbulence model to simulate the localized flame of the Explosion relief conduit. The results show that: the explosion relief conduit can effectively reduce the pressure in the pipeline, tilted at an acute angle of the explosion relief conduit in the flame propagation of turbulence is smaller, and more conducive to the release of pressure. When the angle of the explosion relief conduit is 45°, the intensity of turbulence generated at the mouth of the branch pipe is the smallest, the peak pressure in the pipeline compared to the no lateral conditions is reduced by 37.47%, the flame propagation time is extended by 41.44%, the explosion relief effect is related to the angle of the explosion relief conduit and the pipeline. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Combustion Science & Technology is the property of Taylor & Francis Ltd 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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    Identifiers:
      – Type: doi
        Value: 10.1080/00102202.2024.2376284
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 17
        StartPage: 4726
    Subjects:
      – SubjectFull: Methane
        Type: general
      – SubjectFull: Pipeline transportation
        Type: general
      – SubjectFull: Flame
        Type: general
      – SubjectFull: Turbulence
        Type: general
      – SubjectFull: Flame spread
        Type: general
      – SubjectFull: Pressure control
        Type: general
    Titles:
      – TitleFull: Influence of Lateral Explosion Relief Conduit Inclination on Methane/Air-Premixed Flame Propagation in Pipelines.
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            NameFull: Huang, Yong
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            NameFull: Cao, Linna
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            NameFull: Deng, Wenhui
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            NameFull: Hao, Yongmei
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              M: 12
              Text: 2025
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