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Tomographic KT-1 signature of phase-fraction distributions in multiphase bubble columns

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Title: Tomographic KT-1 signature of phase-fraction distributions in multiphase bubble columns
Authors: Gulati, S.1 saaransh@mit.edu, Behling, M.2, Munshi, P.1, Luke, A.3, Mewes, D.2
Source: Flow Measurement & Instrumentation. Sep2010, Vol. 21 Issue 3, p249-254. 6p.
Subjects: Polyvinyl chloride, Multiphase flow, Tomography, Image analysis, Cross-sectional imaging, X-rays
Abstract: Abstract: Characterization of multiphase bubble column flow conditions is performed via the KT-1 signature route of computerized tomography (CT). Cross-sectional images of the bubble column are used for this study. These images were obtained non-invasively by the dual energy X-ray CT developed at Leibniz University Hannover. The solid phase is polyvinyl chloride (PVC) granules, the liquid phase is water and the gaseous phase is air. A convolution back-projection algorithm is used for tomographic reconstruction. Quantification of CT images (obtained for various combinations of liquid velocity, gas velocity and solid concentration of bubble column) is performed using CT fundamentals. The use of KT-1 as a tool for further analysis (of physical phenomenon from CT images) is demonstrated giving a very good insight into bubble column physics. [ABSTRACT FROM AUTHOR]
Copyright of Flow Measurement & Instrumentation is the property of Elsevier B.V. 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: 53303949
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  Data: <searchLink fieldCode="DE" term="%22Polyvinyl+chloride%22">Polyvinyl chloride</searchLink><br /><searchLink fieldCode="DE" term="%22Multiphase+flow%22">Multiphase flow</searchLink><br /><searchLink fieldCode="DE" term="%22Tomography%22">Tomography</searchLink><br /><searchLink fieldCode="DE" term="%22Image+analysis%22">Image analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Cross-sectional+imaging%22">Cross-sectional imaging</searchLink><br /><searchLink fieldCode="DE" term="%22X-rays%22">X-rays</searchLink>
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  Data: Abstract: Characterization of multiphase bubble column flow conditions is performed via the KT-1 signature route of computerized tomography (CT). Cross-sectional images of the bubble column are used for this study. These images were obtained non-invasively by the dual energy X-ray CT developed at Leibniz University Hannover. The solid phase is polyvinyl chloride (PVC) granules, the liquid phase is water and the gaseous phase is air. A convolution back-projection algorithm is used for tomographic reconstruction. Quantification of CT images (obtained for various combinations of liquid velocity, gas velocity and solid concentration of bubble column) is performed using CT fundamentals. The use of KT-1 as a tool for further analysis (of physical phenomenon from CT images) is demonstrated giving a very good insight into bubble column physics. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Flow Measurement & Instrumentation is the property of Elsevier B.V. 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.flowmeasinst.2009.12.005
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      – Code: eng
        Text: English
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        PageCount: 6
        StartPage: 249
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        Type: general
      – SubjectFull: Multiphase flow
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      – SubjectFull: Tomography
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      – SubjectFull: Image analysis
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      – SubjectFull: X-rays
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              Text: Sep2010
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