An experimental study of bubbly flow in high‐viscosity liquid in a pseudo‐2D bubble column equipped with mesh using high‐speed imaging.

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Title: An experimental study of bubbly flow in high‐viscosity liquid in a pseudo‐2D bubble column equipped with mesh using high‐speed imaging.
Authors: Gao, Deyang1 (AUTHOR), Hou, Baolin1 (AUTHOR) blhou@dicp.ac.cn, Wang, Aiqin1 (AUTHOR), Zheng, Mingyuan1 (AUTHOR), Wang, Xiaodong1 (AUTHOR) xdwang@dicp.ac.cn
Source: AIChE Journal. Mar2026, Vol. 72 Issue 3, p1-26. 26p.
Subjects: Bubble column reactors, High-speed photography, Aerated water flow, Two-phase flow, Mass transfer, Bubble dynamics, Viscosity, Wire netting
Abstract: Wire mesh is an effective internal component in a bubble column reactor to solve the efficiency decreasing problem due to bubble coalescence. In relevant studies, compared to low‐viscosity systems, high‐viscosity systems have rarely been investigated. This paper conducts a study of an aqueous glycerol solution‐nitrogen system with a high viscosity of 1.982 Pa·s. The hydrodynamic behavior of gas–liquid two‐phase flow is investigated by high‐speed imaging. To extract as much information as possible from the high‐viscosity system prone to generate and accumulate small bubbles, corresponding experimental and image processing methods are developed tailored for bubbles with different sizes. Different bubble cutting behaviors are observed and examined. The crucial hydrodynamic parameters under meshes with different structures are compared quantitatively. The gas–liquid interfacial area is calculated, and the enhancement of the mesh on the mass transfer process is discussed. [ABSTRACT FROM AUTHOR]
Copyright of AIChE Journal is the property of Wiley-Blackwell 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.)
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An: 191457345
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: An experimental study of bubbly flow in high‐viscosity liquid in a pseudo‐2D bubble column equipped with mesh using high‐speed imaging.
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  Data: <searchLink fieldCode="AR" term="%22Gao%2C+Deyang%22">Gao, Deyang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hou%2C+Baolin%22">Hou, Baolin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> blhou@dicp.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Aiqin%22">Wang, Aiqin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zheng%2C+Mingyuan%22">Zheng, Mingyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Xiaodong%22">Wang, Xiaodong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> xdwang@dicp.ac.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22AIChE+Journal%22">AIChE Journal</searchLink>. Mar2026, Vol. 72 Issue 3, p1-26. 26p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Bubble+column+reactors%22">Bubble column reactors</searchLink><br /><searchLink fieldCode="DE" term="%22High-speed+photography%22">High-speed photography</searchLink><br /><searchLink fieldCode="DE" term="%22Aerated+water+flow%22">Aerated water flow</searchLink><br /><searchLink fieldCode="DE" term="%22Two-phase+flow%22">Two-phase flow</searchLink><br /><searchLink fieldCode="DE" term="%22Mass+transfer%22">Mass transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Bubble+dynamics%22">Bubble dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Viscosity%22">Viscosity</searchLink><br /><searchLink fieldCode="DE" term="%22Wire+netting%22">Wire netting</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Wire mesh is an effective internal component in a bubble column reactor to solve the efficiency decreasing problem due to bubble coalescence. In relevant studies, compared to low‐viscosity systems, high‐viscosity systems have rarely been investigated. This paper conducts a study of an aqueous glycerol solution‐nitrogen system with a high viscosity of 1.982 Pa·s. The hydrodynamic behavior of gas–liquid two‐phase flow is investigated by high‐speed imaging. To extract as much information as possible from the high‐viscosity system prone to generate and accumulate small bubbles, corresponding experimental and image processing methods are developed tailored for bubbles with different sizes. Different bubble cutting behaviors are observed and examined. The crucial hydrodynamic parameters under meshes with different structures are compared quantitatively. The gas–liquid interfacial area is calculated, and the enhancement of the mesh on the mass transfer process is discussed. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of AIChE Journal is the property of Wiley-Blackwell 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1002/aic.70171
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 26
        StartPage: 1
    Subjects:
      – SubjectFull: Bubble column reactors
        Type: general
      – SubjectFull: High-speed photography
        Type: general
      – SubjectFull: Aerated water flow
        Type: general
      – SubjectFull: Two-phase flow
        Type: general
      – SubjectFull: Mass transfer
        Type: general
      – SubjectFull: Bubble dynamics
        Type: general
      – SubjectFull: Viscosity
        Type: general
      – SubjectFull: Wire netting
        Type: general
    Titles:
      – TitleFull: An experimental study of bubbly flow in high‐viscosity liquid in a pseudo‐2D bubble column equipped with mesh using high‐speed imaging.
        Type: main
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          Name:
            NameFull: Gao, Deyang
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            NameFull: Hou, Baolin
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            NameFull: Wang, Aiqin
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            NameFull: Zheng, Mingyuan
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            NameFull: Wang, Xiaodong
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            – D: 01
              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
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