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Using Positron Emission Particle Tracking (PEPT) to Study Mixing in Stirred Vessels: Validation and Tackling Unsolved Problems in Opaque Systems
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- Barigou Mostafa
- Department of Chemical Engineering, University of Birmingham
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- Chiti Fabio
- Department of Chemical Engineering, University of Birmingham
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- Pianko-Oprych Paulina
- Department of Chemical Engineering, University of Birmingham
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- Guida Antonio
- Department of Chemical Engineering, University of Birmingham
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- Adams Luke
- Department of Chemical Engineering, University of Birmingham
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- Fan Xianfeng
- School of Physics and Astronomy, University of Birmingham
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- Parker David J.
- School of Physics and Astronomy, University of Birmingham
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- Nienow Alvin William
- Department of Chemical Engineering, University of Birmingham
Bibliographic Information
- Other Title
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- Using positron emission panicle tracking (PEPT) to study mixing in stirred vessels: validation and tackling unsolved problems in opaque systems
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Description
Positron emission particle tracking (PEPT) is a new technique allowing the quantitative study of flow phenomena in three dimensions in opaque systems that cannot be studied by techniques based on optical methods such as particle image velocimetry (PIV) or Laser Doppler anemometry (LDA). Here, the technique is initially described along with studies validating the technique, comparing velocity profiles from a Rushton and a pitched blade turbine in turbulent transparent systems from PEPT with PIV and LDA. Subsequently, results are presented showing, for the first time, the spatial distribution of suspended particles of two sizes throughout the vessel; and velocity profiles for the solid and liquid phase in low viscosity and high solid concentration three-phase (s–g–l) systems under fully turbulent conditions. Finally, three-dimensional flow fields, occupancy maps and Poincaré maps are presented, again for the first time, arising from the mixing of two different non-Newtonian shear thinning yield stress slurries. Clearly, PEPT offers many possibilities for obtaining quantitative data previously unobtainable for a wide range of important mixing problems relevant to a broad spectrum of the process industries.
Journal
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 42 (11), 839-846, 2009
The Society of Chemical Engineers, Japan
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Details 詳細情報について
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- CRID
- 1390282679546462720
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- NII Article ID
- 10028156459
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- NII Book ID
- AA00709658
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- ISSN
- 18811299
- 00219592
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- NDL BIB ID
- 10507624
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed