Visualization and characterization of gas–liquid mass transfer around a Taylor bubble right after the formation stage in microreactors
The gas–liquid mass transfer occurring in Taylor flows right after the bubble formation stage were investigated in a flow-focusing microreactor. The colorimetric technique proposed by Dietrich et al. (2013) was used for locally visualizing and characterizing the gas–liquid mass transfer. Thanks to t...
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| Veröffentlicht in: | Chemical engineering science 2016-04, Vol.143, p.364-368 |
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| creator | Yang, Lixia Dietrich, Nicolas Loubière, Karine Gourdon, Christophe Hébrard, Gilles |
| description | The gas–liquid mass transfer occurring in Taylor flows right after the bubble formation stage were investigated in a flow-focusing microreactor. The colorimetric technique proposed by Dietrich et al. (2013) was used for locally visualizing and characterizing the gas–liquid mass transfer. Thanks to this method, the liquid-side mass transfer coefficients kL were measured at the moment right after the bubble is detaching from the gas film near the cross-junction of the microreactor. Experiments were carried out for several flow conditions (95.7 |
| doi_str_mv | 10.1016/j.ces.2016.01.013 |
| format | Article |
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•Visualization of mass transfer around Taylor bubbles in microreactor.•Contributions of the bubble formation stage to the overall gas–liquid mass transfer.•The enhancement by the recirculation in the gas bubble at the formation stage was studied.•New insight into bubble mass transfer right after the formation stage.•Basis for elaborating a complete model, accounting for the bubble formation stage.]]></description><identifier>ISSN: 0009-2509</identifier><identifier>EISSN: 1873-4405</identifier><identifier>DOI: 10.1016/j.ces.2016.01.013</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Colorimetric technique ; Formation stage ; Gas–liquid mass transfer ; Life Sciences ; Liquid-side mass transfer coefficient ; Microreactor ; Taylor bubble</subject><ispartof>Chemical engineering science, 2016-04, Vol.143, p.364-368</ispartof><rights>2016 Elsevier Ltd</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c411t-3d804064863885bed524cd7c2d079aff594370d8c8271dd62e1562223f16fe5a3</citedby><cites>FETCH-LOGICAL-c411t-3d804064863885bed524cd7c2d079aff594370d8c8271dd62e1562223f16fe5a3</cites><orcidid>0000-0001-6245-2844 ; 0000-0001-6169-3101</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0009250916000221$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://hal.science/hal-01886381$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Yang, Lixia</creatorcontrib><creatorcontrib>Dietrich, Nicolas</creatorcontrib><creatorcontrib>Loubière, Karine</creatorcontrib><creatorcontrib>Gourdon, Christophe</creatorcontrib><creatorcontrib>Hébrard, Gilles</creatorcontrib><title>Visualization and characterization of gas–liquid mass transfer around a Taylor bubble right after the formation stage in microreactors</title><title>Chemical engineering science</title><description><![CDATA[The gas–liquid mass transfer occurring in Taylor flows right after the bubble formation stage were investigated in a flow-focusing microreactor. The colorimetric technique proposed by Dietrich et al. (2013) was used for locally visualizing and characterizing the gas–liquid mass transfer. Thanks to this method, the liquid-side mass transfer coefficients kL were measured at the moment right after the bubble is detaching from the gas film near the cross-junction of the microreactor. Experiments were carried out for several flow conditions (95.7<Re<226.1,0.0043<Ca<0.010,0.4<We<2.3,Bo=0.044) and bubble size (2.34<Lb/l<5.59). The results have demonstrated that the contribution of mass transfer right after the bubble formation stage is reasonably larger to those obtained at the bubble flowing-stage.
•Visualization of mass transfer around Taylor bubbles in microreactor.•Contributions of the bubble formation stage to the overall gas–liquid mass transfer.•The enhancement by the recirculation in the gas bubble at the formation stage was studied.•New insight into bubble mass transfer right after the formation stage.•Basis for elaborating a complete model, accounting for the bubble formation stage.]]></description><subject>Colorimetric technique</subject><subject>Formation stage</subject><subject>Gas–liquid mass transfer</subject><subject>Life Sciences</subject><subject>Liquid-side mass transfer coefficient</subject><subject>Microreactor</subject><subject>Taylor bubble</subject><issn>0009-2509</issn><issn>1873-4405</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kM9KAzEQxoMoWKsP4C1XD1uT7N_iqRS1QsFL9Rpmk0mbst1osi3Uk0fvvqFPYpaqR2EgmWF-38x8hFxyNuKMF9frkcIwEvE7YjxGekQGvCrTJMtYfkwGjLFxInI2PiVnIaxjWpacDcjHsw1baOwbdNa1FFpN1Qo8qA79b9EZuoTw9f7Z2Net1XQDIdDOQxsMegrebSMFdAH7xnlab-u6QertctVRMFGHdiukxvnNQS50sERqW7qxyjuPcZbz4ZycGGgCXvy8Q_J0d7uYzpL54_3DdDJPVMZ5l6S6YhkrsqpIqyqvUeciU7pUQrNyDMbk4ywtma5UJUqudSGQ54UQIjW8MJhDOiRXB90VNPLF2w34vXRg5Wwyl32N8aoX5zsee_mhN-4ZgkfzB3Ame9vlWkbbZW975GKkkbk5MBiP2Fn0MiiLrUJtPapOamf_ob8B6taNtQ</recordid><startdate>20160402</startdate><enddate>20160402</enddate><creator>Yang, Lixia</creator><creator>Dietrich, Nicolas</creator><creator>Loubière, Karine</creator><creator>Gourdon, Christophe</creator><creator>Hébrard, Gilles</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0001-6245-2844</orcidid><orcidid>https://orcid.org/0000-0001-6169-3101</orcidid></search><sort><creationdate>20160402</creationdate><title>Visualization and characterization of gas–liquid mass transfer around a Taylor bubble right after the formation stage in microreactors</title><author>Yang, Lixia ; Dietrich, Nicolas ; Loubière, Karine ; Gourdon, Christophe ; Hébrard, Gilles</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c411t-3d804064863885bed524cd7c2d079aff594370d8c8271dd62e1562223f16fe5a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Colorimetric technique</topic><topic>Formation stage</topic><topic>Gas–liquid mass transfer</topic><topic>Life Sciences</topic><topic>Liquid-side mass transfer coefficient</topic><topic>Microreactor</topic><topic>Taylor bubble</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Lixia</creatorcontrib><creatorcontrib>Dietrich, Nicolas</creatorcontrib><creatorcontrib>Loubière, Karine</creatorcontrib><creatorcontrib>Gourdon, Christophe</creatorcontrib><creatorcontrib>Hébrard, Gilles</creatorcontrib><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Chemical engineering science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Lixia</au><au>Dietrich, Nicolas</au><au>Loubière, Karine</au><au>Gourdon, Christophe</au><au>Hébrard, Gilles</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Visualization and characterization of gas–liquid mass transfer around a Taylor bubble right after the formation stage in microreactors</atitle><jtitle>Chemical engineering science</jtitle><date>2016-04-02</date><risdate>2016</risdate><volume>143</volume><spage>364</spage><epage>368</epage><pages>364-368</pages><issn>0009-2509</issn><eissn>1873-4405</eissn><abstract><![CDATA[The gas–liquid mass transfer occurring in Taylor flows right after the bubble formation stage were investigated in a flow-focusing microreactor. The colorimetric technique proposed by Dietrich et al. (2013) was used for locally visualizing and characterizing the gas–liquid mass transfer. Thanks to this method, the liquid-side mass transfer coefficients kL were measured at the moment right after the bubble is detaching from the gas film near the cross-junction of the microreactor. Experiments were carried out for several flow conditions (95.7<Re<226.1,0.0043<Ca<0.010,0.4<We<2.3,Bo=0.044) and bubble size (2.34<Lb/l<5.59). The results have demonstrated that the contribution of mass transfer right after the bubble formation stage is reasonably larger to those obtained at the bubble flowing-stage.
•Visualization of mass transfer around Taylor bubbles in microreactor.•Contributions of the bubble formation stage to the overall gas–liquid mass transfer.•The enhancement by the recirculation in the gas bubble at the formation stage was studied.•New insight into bubble mass transfer right after the formation stage.•Basis for elaborating a complete model, accounting for the bubble formation stage.]]></abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.ces.2016.01.013</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0001-6245-2844</orcidid><orcidid>https://orcid.org/0000-0001-6169-3101</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Colorimetric technique Formation stage Gas–liquid mass transfer Life Sciences Liquid-side mass transfer coefficient Microreactor Taylor bubble |
| title | Visualization and characterization of gas–liquid mass transfer around a Taylor bubble right after the formation stage in microreactors |
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