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Large eddy simulation of flow through a streamwise-periodic structure

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Title: Large eddy simulation of flow through a streamwise-periodic structure
Authors: Hutter, C.1, Zenklusen, A.1, Kuhn, S.2, Rudolf von Rohr, Ph.1 vonrohr@ipe.mavt.ethz.ch
Source: Chemical Engineering Science. Feb2011, Vol. 66 Issue 3, p519-529. 11p.
Subjects: Eddy flux, Computer simulation, Turbulence, Chemical structure, Reynolds number, Porosity, Mixing
Abstract: Abstract: We present a dynamic large eddy simulation of flow in a periodic open-cell structure in the turbulent regime. The flow domain is represented by a tube with inner diameter of 7mm with integrated highly porous media. Simulations were performed for three different Reynolds numbers ranging from 1200 to 4500 based on the empty tube diameter. The obtained results were compared to experimental data for which measurements were performed downstream of the same periodic geometry manufactured from a transparent material by stereolithography. The measured pressure drop and turbulence statistics compare well to the results of the large eddy simulations. The numerical results give an insight into the forced convection mechanism within the porous media and enhance the understanding of flow through foamlike structures. Furthermore specific geometric details like the influence of the ligament shape of the porous material can be investigated applying this technique. [ABSTRACT FROM AUTHOR]
Copyright of Chemical Engineering Science 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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DbLabel: Engineering Source
An: 57164564
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PubType: Academic Journal
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  Data: <searchLink fieldCode="JN" term="%22Chemical+Engineering+Science%22">Chemical Engineering Science</searchLink>. Feb2011, Vol. 66 Issue 3, p519-529. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Eddy+flux%22">Eddy flux</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Turbulence%22">Turbulence</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+structure%22">Chemical structure</searchLink><br /><searchLink fieldCode="DE" term="%22Reynolds+number%22">Reynolds number</searchLink><br /><searchLink fieldCode="DE" term="%22Porosity%22">Porosity</searchLink><br /><searchLink fieldCode="DE" term="%22Mixing%22">Mixing</searchLink>
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  Data: Abstract: We present a dynamic large eddy simulation of flow in a periodic open-cell structure in the turbulent regime. The flow domain is represented by a tube with inner diameter of 7mm with integrated highly porous media. Simulations were performed for three different Reynolds numbers ranging from 1200 to 4500 based on the empty tube diameter. The obtained results were compared to experimental data for which measurements were performed downstream of the same periodic geometry manufactured from a transparent material by stereolithography. The measured pressure drop and turbulence statistics compare well to the results of the large eddy simulations. The numerical results give an insight into the forced convection mechanism within the porous media and enhance the understanding of flow through foamlike structures. Furthermore specific geometric details like the influence of the ligament shape of the porous material can be investigated applying this technique. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Chemical Engineering Science 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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        Value: 10.1016/j.ces.2010.11.015
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 519
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        Type: general
      – SubjectFull: Computer simulation
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      – SubjectFull: Turbulence
        Type: general
      – SubjectFull: Chemical structure
        Type: general
      – SubjectFull: Reynolds number
        Type: general
      – SubjectFull: Porosity
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      – SubjectFull: Mixing
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      – TitleFull: Large eddy simulation of flow through a streamwise-periodic structure
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              Text: Feb2011
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