Hydrodynamics of gas–liquid Taylor flow in rectangular microchannels
The effect of fluid properties and operating conditions on the generation of gas–liquid Taylor flow in microchannels has been investigated experimentally and numerically. Visualisation experiments and 2D numerical simulations have been performed to study bubble and slug lengths, liquid film hold-up...
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| Veröffentlicht in: | Microfluidics and nanofluidics 2012-01, Vol.12 (1-4), p.355-369 |
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| creator | Abadie, Thomas Aubin, Joëlle Legendre, Dominique Xuereb, Catherine |
| description | The effect of fluid properties and operating conditions on the generation of gas–liquid Taylor flow in microchannels has been investigated experimentally and numerically. Visualisation experiments and 2D numerical simulations have been performed to study bubble and slug lengths, liquid film hold-up and bubble velocities. The results show that the bubble and slug lengths increase as a function of the gas and liquid flow rate ratios. The bubble and slug lengths follow the model developed by Garstecki et al. (Lab chip 6:437–446,
2006
) and van Steijn et al. (Chem Eng Sci 62:7505–7514,
2007
), however, the model coefficients appear to be dependent on the liquid properties and flow conditions in some cases. The ratio of the bubble velocity to superficial two-phase velocity is close to unity, which confirms a thin liquid film under the assumption of a stagnant liquid film. Numerical simulations confirm the hypothesis of a stagnant liquid film and provide information on the thickness of the liquid film. |
| doi_str_mv | 10.1007/s10404-011-0880-8 |
| format | Article |
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2006
) and van Steijn et al. (Chem Eng Sci 62:7505–7514,
2007
), however, the model coefficients appear to be dependent on the liquid properties and flow conditions in some cases. The ratio of the bubble velocity to superficial two-phase velocity is close to unity, which confirms a thin liquid film under the assumption of a stagnant liquid film. Numerical simulations confirm the hypothesis of a stagnant liquid film and provide information on the thickness of the liquid film.</description><identifier>ISSN: 1613-4982</identifier><identifier>EISSN: 1613-4990</identifier><identifier>DOI: 10.1007/s10404-011-0880-8</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Analytical Chemistry ; Applied fluid mechanics ; Biomedical Engineering and Bioengineering ; Bubbles ; Chemical engineering ; Chemical Sciences ; Computational fluid dynamics ; Computer simulation ; Engineering ; Engineering Fluid Dynamics ; Engineering Sciences ; Exact sciences and technology ; Flow rates ; Fluid dynamics ; Fluid flow ; Fluid mechanics ; Fluidics ; Fluids mechanics ; Fundamental areas of phenomenology (including applications) ; Hydrodynamics ; Liquid films ; Mathematical models ; Mechanics ; Nanostructure ; Nanotechnology and Microengineering ; Physics ; Research Paper ; Slugs</subject><ispartof>Microfluidics and nanofluidics, 2012-01, Vol.12 (1-4), p.355-369</ispartof><rights>Springer-Verlag 2011</rights><rights>2015 INIST-CNRS</rights><rights>Springer-Verlag 2012</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-c592t-f2338ac1ae413618832edbcf819c73bbe6ed5f4c60199a2cdddd129637a7ee2b3</citedby><cites>FETCH-LOGICAL-c592t-f2338ac1ae413618832edbcf819c73bbe6ed5f4c60199a2cdddd129637a7ee2b3</cites><orcidid>0000-0002-6021-7119 ; 0000-0001-6230-5158</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10404-011-0880-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10404-011-0880-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,780,784,885,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25590325$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-00878398$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Abadie, Thomas</creatorcontrib><creatorcontrib>Aubin, Joëlle</creatorcontrib><creatorcontrib>Legendre, Dominique</creatorcontrib><creatorcontrib>Xuereb, Catherine</creatorcontrib><title>Hydrodynamics of gas–liquid Taylor flow in rectangular microchannels</title><title>Microfluidics and nanofluidics</title><addtitle>Microfluid Nanofluid</addtitle><description>The effect of fluid properties and operating conditions on the generation of gas–liquid Taylor flow in microchannels has been investigated experimentally and numerically. Visualisation experiments and 2D numerical simulations have been performed to study bubble and slug lengths, liquid film hold-up and bubble velocities. The results show that the bubble and slug lengths increase as a function of the gas and liquid flow rate ratios. The bubble and slug lengths follow the model developed by Garstecki et al. (Lab chip 6:437–446,
2006
) and van Steijn et al. (Chem Eng Sci 62:7505–7514,
2007
), however, the model coefficients appear to be dependent on the liquid properties and flow conditions in some cases. The ratio of the bubble velocity to superficial two-phase velocity is close to unity, which confirms a thin liquid film under the assumption of a stagnant liquid film. 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Visualisation experiments and 2D numerical simulations have been performed to study bubble and slug lengths, liquid film hold-up and bubble velocities. The results show that the bubble and slug lengths increase as a function of the gas and liquid flow rate ratios. The bubble and slug lengths follow the model developed by Garstecki et al. (Lab chip 6:437–446,
2006
) and van Steijn et al. (Chem Eng Sci 62:7505–7514,
2007
), however, the model coefficients appear to be dependent on the liquid properties and flow conditions in some cases. The ratio of the bubble velocity to superficial two-phase velocity is close to unity, which confirms a thin liquid film under the assumption of a stagnant liquid film. Numerical simulations confirm the hypothesis of a stagnant liquid film and provide information on the thickness of the liquid film.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s10404-011-0880-8</doi><tpages>15</tpages><orcidid>https://orcid.org/0000-0002-6021-7119</orcidid><orcidid>https://orcid.org/0000-0001-6230-5158</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Microfluidics and nanofluidics, 2012-01, Vol.12 (1-4), p.355-369 |
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| subjects | Analytical Chemistry Applied fluid mechanics Biomedical Engineering and Bioengineering Bubbles Chemical engineering Chemical Sciences Computational fluid dynamics Computer simulation Engineering Engineering Fluid Dynamics Engineering Sciences Exact sciences and technology Flow rates Fluid dynamics Fluid flow Fluid mechanics Fluidics Fluids mechanics Fundamental areas of phenomenology (including applications) Hydrodynamics Liquid films Mathematical models Mechanics Nanostructure Nanotechnology and Microengineering Physics Research Paper Slugs |
| title | Hydrodynamics of gas–liquid Taylor flow in rectangular microchannels |
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