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Transport Processes at Taylor Bubbles in Vertical Channels

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Title: Transport Processes at Taylor Bubbles in Vertical Channels
Description: Gas / liquid contact apparatuses are widely used in chemical, biochemical or pharmaceutical industry to provide and transfer gas species as reactant from the gaseous phase to pre-dissolved reactants in the liquid phase enabling a preferred reaction. The global and local transport are complex interlinked processes and therefore in practice in reactor design industry, mostly empirically correlated. For a secure control of the overall process and a more efficient reactor design, the local transport processes at gas / liquid interfaces need to be investigated in complexity reduced systems to be understood. Elongated bubbles, Taylor bubbles, in vertical channels 5.5 < D < 8 mm overcome the problem of dynamic shape deformation, complex 3D rise trajectories and they have a volume independent rise velocity, which make them the ideal experiment for reliable and reproducible investigations. Detailed optical measurements of global and local processes via high-speed Shadowgraphy, 2D2C PIV and p-2D LIF give new insights into the dependency of local bubble shape and global terminal rise velocity, establish a Sherwood correlation of shrinking CO2 bubbles in various channel sizes and shows the coupling of local transport phenomena at the bubble interface and the mixing in the wake region.
Authors: Kastens, Sven
Resource Type: eBook.
Subjects: Chemical apparatus
Categories: TECHNOLOGY & ENGINEERING / Manufacturing, SCIENCE / Chemistry / General
Database: eBook Collection (EBSCOhost)
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  – Type: ebook-pdf
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  Availability: 0
Header DbId: nlebk
DbLabel: eBook Collection (EBSCOhost)
An: 2913521
RelevancyScore: 1103
AccessLevel: 6
PubType: eBook
PubTypeId: ebook
PreciseRelevancyScore: 1103.19409179688
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  Data: Transport Processes at Taylor Bubbles in Vertical Channels
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  Label: Description
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  Data: Gas / liquid contact apparatuses are widely used in chemical, biochemical or pharmaceutical industry to provide and transfer gas species as reactant from the gaseous phase to pre-dissolved reactants in the liquid phase enabling a preferred reaction. The global and local transport are complex interlinked processes and therefore in practice in reactor design industry, mostly empirically correlated. For a secure control of the overall process and a more efficient reactor design, the local transport processes at gas / liquid interfaces need to be investigated in complexity reduced systems to be understood. Elongated bubbles, Taylor bubbles, in vertical channels 5.5 &lt; D &lt; 8 mm overcome the problem of dynamic shape deformation, complex 3D rise trajectories and they have a volume independent rise velocity, which make them the ideal experiment for reliable and reproducible investigations. Detailed optical measurements of global and local processes via high-speed Shadowgraphy, 2D2C PIV and p-2D LIF give new insights into the dependency of local bubble shape and global terminal rise velocity, establish a Sherwood correlation of shrinking CO2 bubbles in various channel sizes and shows the coupling of local transport phenomena at the bubble interface and the mixing in the wake region.
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RecordInfo BibRecord:
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    Classifications:
      – Code: 542.2
        Scheme: ddc
        Type: prePub
    Languages:
      – Code: eng
        Text: English
    Subjects:
      – SubjectFull: Chemical apparatus
        Type: general
    Titles:
      – TitleFull: Transport Processes at Taylor Bubbles in Vertical Channels
        Type: main
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          Name:
            NameFull: Kastens, Sven
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            NameFull: Kastens, Sven
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          Dates:
            – D: 01
              M: 01
              Type: published
              Y: 2021
            – D: 06
              M: 02
              Type: profile
              Y: 2023
          Identifiers:
            – Type: isbn-print
              Value: 9783736974043
            – Type: isbn-electronic
              Value: 9783736964044
          Numbering:
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              Value: 00008
          Titles:
            – TitleFull: Transport Processes at Taylor Bubbles in Vertical Channels
              Type: main
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