Dataset Open Access
Hydrodynamics in a bubble column – Part 1: Two-phase flow
Sommer, Anna-Elisabeth; Draw, Mazen; Wang, Lantian; Schmidtpeter, Jan; Gatter, Josefine; Nam, Haein; Eckert, Kerstin; Rzehak, Roland
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<dct:title>Hydrodynamics in a bubble column – Part 1: Two-phase flow</dct:title>
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<dcat:keyword>Particle Image Velocimetry (PIV)</dcat:keyword>
<dcat:keyword>Shadowgraphy</dcat:keyword>
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<dct:description><p>Multiphase computational fluid dynamics (CFD) simulation is a useful tool to study the hydrodynamics in a bubble column, if appropriate closure models are known. Systematic assessment of different models is an ongoing venture that benefits from improved validation data. The present study accumulates a database on two-phase flow experiments in a bubble column. This is achieved by using a combination of Particle Image Velocimetry and Shadowgraphy to measure the liquid velocity field and gas dispersion properties simultaneously. This methodology is applied for different needle diameters and gas flow rates.</p> <p>A detailed description of the experimental</p> <p>The experimental data (Table 1) described in this repository is structured into different folders and files as follows:<br> Level 1: Folders classified by measurement configuration: <strong>TX_Jg_Y_Di_ZZZ</strong> as outlined in Table 1</p> <ul> <li><strong>TX</strong> = Identifier</li> <li><strong>Jg_Y</strong> = Superficial gas velocity in mm/s</li> <li><strong>Di_ZZZ</strong> = Inner diameter of the needle in &micro;m</li> </ul> <p>Level 2: Folders classified by measurement height:&nbsp;<strong>Z_XXX</strong></p> <ul> <li><strong>Z_XXX</strong> = Measurement height in mm</li> </ul> <p>Level 3: csv files classified by their analysis parameter:</p> <ul> <li>Gas_Eg_ub_over_x.csv: Each csv file consists of five columns, namely the x-coordinate (in m), the gas holdup, the uncertainty of the gas holdup, the averaged bubble rising velocity (in m/s) and the corresponding uncertainty (in m/s).</li> <li>Liquid_v_z_over_x.csv: Each csv file consists of three columns, namely the x-coordinate (in m), the averaged liquid velocity (in m/s) and the corresponding uncertainty (in m/s).</li> </ul> <p>Table 1: Overview of the measurement cases in this repository.</p> <pre><code class="language-markdown">| ID | Diameter of needle orifice in µm | Superficial gas velocity in mm/s | |----|----------------------------------|----------------------------------| | T1 | 200 | 2 | | T2 | 200 | 4 | | T3 | 200 | 6 | | T4 | 600 | 2 | | T5 | 600 | 4 | | T6 | 600 | 6 |</code></pre> <p>&nbsp;</p></dct:description>
<dct:description xml:lang="">This project has received funding from the European Union's Horizon 2020 Marie Skłodowska-Curie Actions (MSCA), Innovative Training Networks (ITN), H2020-MSCA-ITN-2020 under grant agreement No. 955805, and the European Institute of Innovation and Technology (EIT). This body of the European Union receives support from the European Union's Horizon 2020 research and innovation programme.</dct:description>
<dct:description xml:lang="">{"references": ["Sommer, Anna-Elisabeth, Draw, Mazen, Wang, Lantian, Schmidtpeter, Jan, Hessenkemper, Hendrik, Gatter, Josefine, \u2026 Rzehak,Roland. (2023, February 28). StarDist Models for \"Hydrodynamics in a bubble column \u2013 Part 1: Two-phase flow\" (Version 1.0). Rodare. http://doi.org/10.14278/rodare.2174"]}</dct:description>
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- Publication date:
- February 28, 2023
- DOI:
-
- Keyword(s):
- Particle Image Velocimetry (PIV) Shadowgraphy Two-phase bubble column
- Related identifiers:
- Identical to:
https://www.hzdr.de/publications/Publ-36732 - Communities:
- License (for files):
- Creative Commons Attribution 4.0 International