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Shielding weakening of high-velocity fluid against precipitation-static.

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Title: Shielding weakening of high-velocity fluid against precipitation-static.
Authors: Wang, Fusheng1 (AUTHOR) fswang@nwpu.edu.cn, Zhao, Kai2 (AUTHOR), Han, Chunyong1,2 (AUTHOR), Wang, Shaozhen1 (AUTHOR), Fan, Zhiqiang1 (AUTHOR), Huang, Chenguang1 (AUTHOR), Wang, Zhen2 (AUTHOR), Xiong, Xiu3 (AUTHOR), Hu, Xiaofeng4 (AUTHOR), Xu, Bin1 (AUTHOR), Qian, Wei5 (AUTHOR)
Source: Engineering Applications of Computational Fluid Mechanics. Dec2025, Vol. 19 Issue 1, p1-10. 10p.
Subjects: Space charge, Fluid dynamics, Turbulent flow, Electrostatic precipitation, Mathematical models, Electromagnetic shielding, Charge carriers
Abstract: Recent experiments have demonstrated that high-density space charge around a structure can shield precipitation-static on the structure's surface, while high-velocity fluid can weaken this shielding effect. The physical mechanism behind this phenomenon remains unclear due to the limitations of experimental conditions and theoretical developments. To address this question, we propose a theoretical model to describe the process of precipitation-static, which captures multi-physics coupling effects including fluid field, particle motion and electric field. We also propose a method to describe the motion state of the charged particles in precipitation-static. We find that high-velocity fluid can weaken the shielding effect of space charge against precipitation-static by altering the forces exerted on charged particles, affecting their motion and spatial distribution as well as reducing the density of space charge around structure. Our findings emphasise the indispensability of considering fluid dynamics in understanding precipitation-static and offer valuable insights for future research. [ABSTRACT FROM AUTHOR]
Copyright of Engineering Applications of Computational Fluid Mechanics 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
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 189915327
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Shielding weakening of high-velocity fluid against precipitation-static.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Fusheng%22">Wang, Fusheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> fswang@nwpu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhao%2C+Kai%22">Zhao, Kai</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Han%2C+Chunyong%22">Han, Chunyong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Shaozhen%22">Wang, Shaozhen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fan%2C+Zhiqiang%22">Fan, Zhiqiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Huang%2C+Chenguang%22">Huang, Chenguang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Zhen%22">Wang, Zhen</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xiong%2C+Xiu%22">Xiong, Xiu</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hu%2C+Xiaofeng%22">Hu, Xiaofeng</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Bin%22">Xu, Bin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Qian%2C+Wei%22">Qian, Wei</searchLink><relatesTo>5</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Engineering+Applications+of+Computational+Fluid+Mechanics%22">Engineering Applications of Computational Fluid Mechanics</searchLink>. Dec2025, Vol. 19 Issue 1, p1-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Space+charge%22">Space charge</searchLink><br /><searchLink fieldCode="DE" term="%22Fluid+dynamics%22">Fluid dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Turbulent+flow%22">Turbulent flow</searchLink><br /><searchLink fieldCode="DE" term="%22Electrostatic+precipitation%22">Electrostatic precipitation</searchLink><br /><searchLink fieldCode="DE" term="%22Mathematical+models%22">Mathematical models</searchLink><br /><searchLink fieldCode="DE" term="%22Electromagnetic+shielding%22">Electromagnetic shielding</searchLink><br /><searchLink fieldCode="DE" term="%22Charge+carriers%22">Charge carriers</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Recent experiments have demonstrated that high-density space charge around a structure can shield precipitation-static on the structure's surface, while high-velocity fluid can weaken this shielding effect. The physical mechanism behind this phenomenon remains unclear due to the limitations of experimental conditions and theoretical developments. To address this question, we propose a theoretical model to describe the process of precipitation-static, which captures multi-physics coupling effects including fluid field, particle motion and electric field. We also propose a method to describe the motion state of the charged particles in precipitation-static. We find that high-velocity fluid can weaken the shielding effect of space charge against precipitation-static by altering the forces exerted on charged particles, affecting their motion and spatial distribution as well as reducing the density of space charge around structure. Our findings emphasise the indispensability of considering fluid dynamics in understanding precipitation-static and offer valuable insights for future research. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Engineering Applications of Computational Fluid Mechanics 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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      – Type: doi
        Value: 10.1080/19942060.2024.2443124
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 10
        StartPage: 1
    Subjects:
      – SubjectFull: Space charge
        Type: general
      – SubjectFull: Fluid dynamics
        Type: general
      – SubjectFull: Turbulent flow
        Type: general
      – SubjectFull: Electrostatic precipitation
        Type: general
      – SubjectFull: Mathematical models
        Type: general
      – SubjectFull: Electromagnetic shielding
        Type: general
      – SubjectFull: Charge carriers
        Type: general
    Titles:
      – TitleFull: Shielding weakening of high-velocity fluid against precipitation-static.
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            NameFull: Wang, Fusheng
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            NameFull: Zhao, Kai
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            NameFull: Han, Chunyong
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            NameFull: Wang, Shaozhen
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            – D: 01
              M: 12
              Text: Dec2025
              Type: published
              Y: 2025
          Identifiers:
            – Type: issn-print
              Value: 19942060
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              Value: 19
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            – TitleFull: Engineering Applications of Computational Fluid Mechanics
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