Dataset Open Access
Sommer, Anna-Elisabeth; Draw, Mazen; Wang, Lantian; Schmidtpeter, Jan; Gatter, Josefine; Nam, Haein; Eckert, Kerstin; Rzehak, Roland
{ "name": "Hydrodynamics in a bubble column \u2013 Part 1: Two-phase flow", "datePublished": "2023-02-28", "keywords": [ "Particle Image Velocimetry (PIV)", "Shadowgraphy", "Two-phase bubble column" ], "identifier": "https://doi.org/10.14278/rodare.2176", "license": "https://creativecommons.org/licenses/by/4.0/legalcode", "@id": "https://doi.org/10.14278/rodare.2176", "inLanguage": { "alternateName": "eng", "name": "English", "@type": "Language" }, "distribution": [ { "contentUrl": "https://rodare.hzdr.de/api/files/960b5614-d71a-4934-abf7-6676a2395a94/Data_Two_Phase.zip", "fileFormat": "zip", "@type": "DataDownload" } ], "url": "https://rodare.hzdr.de/record/2176", "sameAs": [ "https://www.hzdr.de/publications/Publ-36732" ], "@type": "Dataset", "creator": [ { "name": "Sommer, Anna-Elisabeth", "affiliation": "HZDR", "@type": "Person" }, { "name": "Draw, Mazen", "affiliation": "HZDR", "@type": "Person" }, { "name": "Wang, Lantian", "affiliation": "HZDR", "@type": "Person" }, { "name": "Schmidtpeter, Jan", "affiliation": "HZDR", "@type": "Person" }, { "name": "Gatter, Josefine", "affiliation": "TUD", "@type": "Person" }, { "name": "Nam, Haein", "affiliation": "HZDR", "@type": "Person" }, { "name": "Eckert, Kerstin", "affiliation": "HZDR", "@type": "Person" }, { "name": "Rzehak, Roland", "affiliation": "HZDR", "@type": "Person" } ], "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>\n\n<p>A detailed description of the experimental</p>\n\n<p>The experimental data (Table 1) described in this repository is structured into different folders and files as follows:<br>\nLevel 1: Folders classified by measurement configuration: <strong>TX_Jg_Y_Di_ZZZ</strong> as outlined in Table 1</p>\n\n<ul>\n\t<li><strong>TX</strong> = Identifier</li>\n\t<li><strong>Jg_Y</strong> = Superficial gas velocity in mm/s</li>\n\t<li><strong>Di_ZZZ</strong> = Inner diameter of the needle in µm</li>\n</ul>\n\n<p>Level 2: Folders classified by measurement height: <strong>Z_XXX</strong></p>\n\n<ul>\n\t<li><strong>Z_XXX</strong> = Measurement height in mm</li>\n</ul>\n\n<p>Level 3: csv files classified by their analysis parameter:</p>\n\n<ul>\n\t<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>\n\t<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>\n</ul>\n\n<p>Table 1: Overview of the measurement cases in this repository.</p>\n\n<pre><code class=\"language-markdown\">| ID | Diameter of needle orifice in \u00b5m | Superficial gas velocity in mm/s |\n|----|----------------------------------|----------------------------------|\n| T1 | 200 | 2 |\n| T2 | 200 | 4 |\n| T3 | 200 | 6 |\n| T4 | 600 | 2 |\n| T5 | 600 | 4 |\n| T6 | 600 | 6 |</code></pre>\n\n<p> </p>", "@context": "https://schema.org/", "version": "1.0" }
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