On the measurement of local gas hold-up, interfacial area and bubble size distribution in gas–liquid contactors via light sheet and image analysis: Imaging technique and experimental results
In this work a novel experimental technique for measuring local gas hold-up, interfacial area and bubble size distribution, in gas–liquid systems is proposed. The technique is based on advanced Image Processing coupled with experimental set-ups typically available for Particle Image Velocimetry. A f...
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Veröffentlicht in: | Chemical engineering science 2013-10, Vol.102, p.551-566 |
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creator | Busciglio, A. Grisafi, F. Scargiali, F. Brucato, A. |
description | In this work a novel experimental technique for measuring local gas hold-up, interfacial area and bubble size distribution, in gas–liquid systems is proposed. The technique is based on advanced Image Processing coupled with experimental set-ups typically available for Particle Image Velocimetry. A fluorescent dye dissolved in the liquid phase allows to identify in-plane bubbles among all visible bubbles in the images. To this end, a suitable algorithm is proposed. The raw data so obtained are processed by previously developed statistical methods that result in a reliable reconstruction of actual dispersion properties.
The technique is applied to the case of a gas-dispersed mechanically agitated vessel, and the data obtained are presented and discussed.
•Original data about gas–liquid dispersion properties in stirred vessels are presented and discussed.•The experimental technique is based on the adoption of a laser plane and a fluorescent liquid phase.•Highly detailed data can be obtained without affecting the system fluid dynamics.•Data presented are in agreement with the literature. |
doi_str_mv | 10.1016/j.ces.2013.08.029 |
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The technique is applied to the case of a gas-dispersed mechanically agitated vessel, and the data obtained are presented and discussed.
•Original data about gas–liquid dispersion properties in stirred vessels are presented and discussed.•The experimental technique is based on the adoption of a laser plane and a fluorescent liquid phase.•Highly detailed data can be obtained without affecting the system fluid dynamics.•Data presented are in agreement with the literature.</description><identifier>ISSN: 0009-2509</identifier><identifier>EISSN: 1873-4405</identifier><identifier>DOI: 10.1016/j.ces.2013.08.029</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Algorithms ; Bubble ; Bubble size distribution ; Bubbles ; Dispersions ; Dissolution ; Gas–liquid dispersion ; Image processing ; Imaging ; Light sheets ; Mixing ; Multiphase flow ; Reconstruction ; Statistical methods</subject><ispartof>Chemical engineering science, 2013-10, Vol.102, p.551-566</ispartof><rights>2013 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c400t-4b34683d47a770388094d8cfcc17ac934c5ae379f72d7964bdec8fd607ca879d3</citedby><cites>FETCH-LOGICAL-c400t-4b34683d47a770388094d8cfcc17ac934c5ae379f72d7964bdec8fd607ca879d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ces.2013.08.029$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27929,27930,46000</link.rule.ids></links><search><creatorcontrib>Busciglio, A.</creatorcontrib><creatorcontrib>Grisafi, F.</creatorcontrib><creatorcontrib>Scargiali, F.</creatorcontrib><creatorcontrib>Brucato, A.</creatorcontrib><title>On the measurement of local gas hold-up, interfacial area and bubble size distribution in gas–liquid contactors via light sheet and image analysis: Imaging technique and experimental results</title><title>Chemical engineering science</title><description>In this work a novel experimental technique for measuring local gas hold-up, interfacial area and bubble size distribution, in gas–liquid systems is proposed. The technique is based on advanced Image Processing coupled with experimental set-ups typically available for Particle Image Velocimetry. A fluorescent dye dissolved in the liquid phase allows to identify in-plane bubbles among all visible bubbles in the images. To this end, a suitable algorithm is proposed. The raw data so obtained are processed by previously developed statistical methods that result in a reliable reconstruction of actual dispersion properties.
The technique is applied to the case of a gas-dispersed mechanically agitated vessel, and the data obtained are presented and discussed.
•Original data about gas–liquid dispersion properties in stirred vessels are presented and discussed.•The experimental technique is based on the adoption of a laser plane and a fluorescent liquid phase.•Highly detailed data can be obtained without affecting the system fluid dynamics.•Data presented are in agreement with the literature.</description><subject>Algorithms</subject><subject>Bubble</subject><subject>Bubble size distribution</subject><subject>Bubbles</subject><subject>Dispersions</subject><subject>Dissolution</subject><subject>Gas–liquid dispersion</subject><subject>Image processing</subject><subject>Imaging</subject><subject>Light sheets</subject><subject>Mixing</subject><subject>Multiphase flow</subject><subject>Reconstruction</subject><subject>Statistical methods</subject><issn>0009-2509</issn><issn>1873-4405</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkUGO1DAQRSMEEs3AAdh5yYKEcuLECazQaICRRpoNrC3HrnS75bYblzNiWHEHLsRZOAnuadawskv1_tcv_ap6yaHhwIc3-8YgNS3wroGxgXZ6VG34KLtaCOgfVxsAmOq2h-lp9YxoX0YpOWyqX7eB5R2yA2paEx4wZBYX5qPRnm01sV30tl6Pr5kLGdOijSsLnVAzHSyb13n2yMh9R2Yd5eTmNbsYCn1S__7x07uvq7PMxJC1yTERu3OaebfdZUY7xPzg4w56i-Wn_T05esuuy-zClmU0u1Ac8IHCb0dM7pSxZEhIq8_0vHqyaE_44u97UX35cPX58lN9c_vx-vL9TW0EQK7F3Ilh7KyQWkroxhEmYUezGMOlNlMnTK-xk9MiWyunQcwWzbjYAaTRo5xsd1G9OvseUyx5KKuDI4Pe64BxJcUH0bb9ME3wf7TnnZBcwlBQfkZNikQJF3UsB-p0rzioU7Fqr0qx6lSsglGVYovm3VmD5dw7h0mRcRgMWpfQZGWj-4f6Dw59sI8</recordid><startdate>20131011</startdate><enddate>20131011</enddate><creator>Busciglio, A.</creator><creator>Grisafi, F.</creator><creator>Scargiali, F.</creator><creator>Brucato, A.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>L7M</scope></search><sort><creationdate>20131011</creationdate><title>On the measurement of local gas hold-up, interfacial area and bubble size distribution in gas–liquid contactors via light sheet and image analysis: Imaging technique and experimental results</title><author>Busciglio, A. ; Grisafi, F. ; Scargiali, F. ; Brucato, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c400t-4b34683d47a770388094d8cfcc17ac934c5ae379f72d7964bdec8fd607ca879d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Algorithms</topic><topic>Bubble</topic><topic>Bubble size distribution</topic><topic>Bubbles</topic><topic>Dispersions</topic><topic>Dissolution</topic><topic>Gas–liquid dispersion</topic><topic>Image processing</topic><topic>Imaging</topic><topic>Light sheets</topic><topic>Mixing</topic><topic>Multiphase flow</topic><topic>Reconstruction</topic><topic>Statistical methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Busciglio, A.</creatorcontrib><creatorcontrib>Grisafi, F.</creatorcontrib><creatorcontrib>Scargiali, F.</creatorcontrib><creatorcontrib>Brucato, A.</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Chemical engineering science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Busciglio, A.</au><au>Grisafi, F.</au><au>Scargiali, F.</au><au>Brucato, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>On the measurement of local gas hold-up, interfacial area and bubble size distribution in gas–liquid contactors via light sheet and image analysis: Imaging technique and experimental results</atitle><jtitle>Chemical engineering science</jtitle><date>2013-10-11</date><risdate>2013</risdate><volume>102</volume><spage>551</spage><epage>566</epage><pages>551-566</pages><issn>0009-2509</issn><eissn>1873-4405</eissn><abstract>In this work a novel experimental technique for measuring local gas hold-up, interfacial area and bubble size distribution, in gas–liquid systems is proposed. The technique is based on advanced Image Processing coupled with experimental set-ups typically available for Particle Image Velocimetry. A fluorescent dye dissolved in the liquid phase allows to identify in-plane bubbles among all visible bubbles in the images. To this end, a suitable algorithm is proposed. The raw data so obtained are processed by previously developed statistical methods that result in a reliable reconstruction of actual dispersion properties.
The technique is applied to the case of a gas-dispersed mechanically agitated vessel, and the data obtained are presented and discussed.
•Original data about gas–liquid dispersion properties in stirred vessels are presented and discussed.•The experimental technique is based on the adoption of a laser plane and a fluorescent liquid phase.•Highly detailed data can be obtained without affecting the system fluid dynamics.•Data presented are in agreement with the literature.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.ces.2013.08.029</doi><tpages>16</tpages></addata></record> |
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subjects | Algorithms Bubble Bubble size distribution Bubbles Dispersions Dissolution Gas–liquid dispersion Image processing Imaging Light sheets Mixing Multiphase flow Reconstruction Statistical methods |
title | On the measurement of local gas hold-up, interfacial area and bubble size distribution in gas–liquid contactors via light sheet and image analysis: Imaging technique and experimental results |
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