Gas/Liquid Two-phase Flow in a Flat Sheet Filtration Module: Measurement of Local Wall Shear Stresses
Air sparging in membrane filtration consists in generating an intermittent gas/liquid flow by injecting air in the concentrate compartment together with the feed. This process is very efficient for flux enhancement for different membrane processes. In order to understand the influence of wall shear...
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| Veröffentlicht in: | Canadian journal of chemical engineering 2003-06, Vol.81 (3-4), p.771-775 |
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| creator | Ducom, Gaëlle Puech, François-Pierre Cabassud, Corinne |
| description | Air sparging in membrane filtration consists in generating an intermittent gas/liquid flow by injecting air in the concentrate compartment together with the feed. This process is very efficient for flux enhancement for different membrane processes. In order to understand the influence of wall shear stresses generated by the two‐phase flow on the flux enhancement, this work aimed to characterize local wall shear stresses generated by the two‐phase flow during filtration operated at a low permeate flux. Local wall shear stresses were measured using an electrochemical method in different points of a flat sheet nanofiltration module and for several operating conditions.
L'aspersion d'air dans la filtration par membranes consiste à produire un écoulement gaz/liquide intermittent en injectant de l'air dans le compartiment de concentré avec l'alimentation. Ce procédé est très efficace pour l'augmentation du flux pour différents procédés à membranes. Pour comprendre l'influence des contraintes de cisaillement pariétal générées par l'écoulement biphasique sur l'amélioration du flux, ce travail vise à caractériser les contraintes de cisaillement pariétal locales générées par l'écoulement biphasique lors de la filtration à faible flux de perméat. Les contraintes de cisaillement de paroi locales ont été mesurées par une méthode électrochimique en différents points d'un module de nanofiltration à feuille plate et pour différentes conditions opératoires. |
| doi_str_mv | 10.1002/cjce.5450810358 |
| format | Article |
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L'aspersion d'air dans la filtration par membranes consiste à produire un écoulement gaz/liquide intermittent en injectant de l'air dans le compartiment de concentré avec l'alimentation. Ce procédé est très efficace pour l'augmentation du flux pour différents procédés à membranes. Pour comprendre l'influence des contraintes de cisaillement pariétal générées par l'écoulement biphasique sur l'amélioration du flux, ce travail vise à caractériser les contraintes de cisaillement pariétal locales générées par l'écoulement biphasique lors de la filtration à faible flux de perméat. Les contraintes de cisaillement de paroi locales ont été mesurées par une méthode électrochimique en différents points d'un module de nanofiltration à feuille plate et pour différentes conditions opératoires.</description><identifier>ISSN: 0008-4034</identifier><identifier>EISSN: 1939-019X</identifier><identifier>DOI: 10.1002/cjce.5450810358</identifier><identifier>CODEN: CJCEA7</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>air sparging ; Applied sciences ; Chemical engineering ; Exact sciences and technology ; Fluid dynamics ; Fundamental areas of phenomenology (including applications) ; intermittent two-phase flow ; local wall shear stresses ; membrane processes ; Membrane separation (reverse osmosis, dialysis...) ; Multiphase and particle-laden flows ; Nonhomogeneous flows ; Physics</subject><ispartof>Canadian journal of chemical engineering, 2003-06, Vol.81 (3-4), p.771-775</ispartof><rights>Copyright © 2003 Canadian Society for Chemical Engineering</rights><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3598-4c6fa768a2357b53b78b1b7cb99973d123db5123fc29af06af6e5bbcdc618c3d3</citedby><cites>FETCH-LOGICAL-c3598-4c6fa768a2357b53b78b1b7cb99973d123db5123fc29af06af6e5bbcdc618c3d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fcjce.5450810358$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fcjce.5450810358$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>309,310,314,777,781,786,787,1412,23911,23912,25121,27905,27906,45555,45556</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15125589$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Ducom, Gaëlle</creatorcontrib><creatorcontrib>Puech, François-Pierre</creatorcontrib><creatorcontrib>Cabassud, Corinne</creatorcontrib><title>Gas/Liquid Two-phase Flow in a Flat Sheet Filtration Module: Measurement of Local Wall Shear Stresses</title><title>Canadian journal of chemical engineering</title><addtitle>Can. J. Chem. Eng</addtitle><description>Air sparging in membrane filtration consists in generating an intermittent gas/liquid flow by injecting air in the concentrate compartment together with the feed. This process is very efficient for flux enhancement for different membrane processes. In order to understand the influence of wall shear stresses generated by the two‐phase flow on the flux enhancement, this work aimed to characterize local wall shear stresses generated by the two‐phase flow during filtration operated at a low permeate flux. Local wall shear stresses were measured using an electrochemical method in different points of a flat sheet nanofiltration module and for several operating conditions.
L'aspersion d'air dans la filtration par membranes consiste à produire un écoulement gaz/liquide intermittent en injectant de l'air dans le compartiment de concentré avec l'alimentation. Ce procédé est très efficace pour l'augmentation du flux pour différents procédés à membranes. Pour comprendre l'influence des contraintes de cisaillement pariétal générées par l'écoulement biphasique sur l'amélioration du flux, ce travail vise à caractériser les contraintes de cisaillement pariétal locales générées par l'écoulement biphasique lors de la filtration à faible flux de perméat. Les contraintes de cisaillement de paroi locales ont été mesurées par une méthode électrochimique en différents points d'un module de nanofiltration à feuille plate et pour différentes conditions opératoires.</description><subject>air sparging</subject><subject>Applied sciences</subject><subject>Chemical engineering</subject><subject>Exact sciences and technology</subject><subject>Fluid dynamics</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>intermittent two-phase flow</subject><subject>local wall shear stresses</subject><subject>membrane processes</subject><subject>Membrane separation (reverse osmosis, dialysis...)</subject><subject>Multiphase and particle-laden flows</subject><subject>Nonhomogeneous flows</subject><subject>Physics</subject><issn>0008-4034</issn><issn>1939-019X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqFkM9PwjAUxxujiYievfbicdCu67bqySyAmokmYPDWvHVdKI4N2xHkv3dkRuLJy_uRvM_3-_JF6JqSASXEH6qV0gMecBJTwnh8gnpUMOERKt5PUY8QEnsBYcE5unBu1a4-CWgP6Qm4YWo-tybH813tbZbgNB6X9Q6bCkM7QYNnS60bPDZlY6ExdYWf63xb6lv8rMFtrV7rqsF1gdNaQYkXUJYHBCyeNVY7p90lOiugdPrqp_fR23g0Tx689GXymNynnmJctP-psIAojMFnPMo4y6I4o1mkMiFExHLqszzjbS2UL6AgIRSh5lmmchXSWLGc9dGw01W2ds7qQm6sWYPdS0rkISV5SEkeU2qJm47YgGufLyxUyrgj1tpxHov27q6725lS7_-TlclTMvrj4nW0cY3--qXBfsgwYhGXi-lExmJKiXidSc6-AV0diGg</recordid><startdate>200306</startdate><enddate>200306</enddate><creator>Ducom, Gaëlle</creator><creator>Puech, François-Pierre</creator><creator>Cabassud, Corinne</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>200306</creationdate><title>Gas/Liquid Two-phase Flow in a Flat Sheet Filtration Module: Measurement of Local Wall Shear Stresses</title><author>Ducom, Gaëlle ; Puech, François-Pierre ; Cabassud, Corinne</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3598-4c6fa768a2357b53b78b1b7cb99973d123db5123fc29af06af6e5bbcdc618c3d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>air sparging</topic><topic>Applied sciences</topic><topic>Chemical engineering</topic><topic>Exact sciences and technology</topic><topic>Fluid dynamics</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>intermittent two-phase flow</topic><topic>local wall shear stresses</topic><topic>membrane processes</topic><topic>Membrane separation (reverse osmosis, dialysis...)</topic><topic>Multiphase and particle-laden flows</topic><topic>Nonhomogeneous flows</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ducom, Gaëlle</creatorcontrib><creatorcontrib>Puech, François-Pierre</creatorcontrib><creatorcontrib>Cabassud, Corinne</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Canadian journal of chemical engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ducom, Gaëlle</au><au>Puech, François-Pierre</au><au>Cabassud, Corinne</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Gas/Liquid Two-phase Flow in a Flat Sheet Filtration Module: Measurement of Local Wall Shear Stresses</atitle><jtitle>Canadian journal of chemical engineering</jtitle><addtitle>Can. J. Chem. Eng</addtitle><date>2003-06</date><risdate>2003</risdate><volume>81</volume><issue>3-4</issue><spage>771</spage><epage>775</epage><pages>771-775</pages><issn>0008-4034</issn><eissn>1939-019X</eissn><coden>CJCEA7</coden><abstract>Air sparging in membrane filtration consists in generating an intermittent gas/liquid flow by injecting air in the concentrate compartment together with the feed. This process is very efficient for flux enhancement for different membrane processes. In order to understand the influence of wall shear stresses generated by the two‐phase flow on the flux enhancement, this work aimed to characterize local wall shear stresses generated by the two‐phase flow during filtration operated at a low permeate flux. Local wall shear stresses were measured using an electrochemical method in different points of a flat sheet nanofiltration module and for several operating conditions.
L'aspersion d'air dans la filtration par membranes consiste à produire un écoulement gaz/liquide intermittent en injectant de l'air dans le compartiment de concentré avec l'alimentation. Ce procédé est très efficace pour l'augmentation du flux pour différents procédés à membranes. Pour comprendre l'influence des contraintes de cisaillement pariétal générées par l'écoulement biphasique sur l'amélioration du flux, ce travail vise à caractériser les contraintes de cisaillement pariétal locales générées par l'écoulement biphasique lors de la filtration à faible flux de perméat. Les contraintes de cisaillement de paroi locales ont été mesurées par une méthode électrochimique en différents points d'un module de nanofiltration à feuille plate et pour différentes conditions opératoires.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><doi>10.1002/cjce.5450810358</doi><tpages>5</tpages></addata></record> |
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| ispartof | Canadian journal of chemical engineering, 2003-06, Vol.81 (3-4), p.771-775 |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | air sparging Applied sciences Chemical engineering Exact sciences and technology Fluid dynamics Fundamental areas of phenomenology (including applications) intermittent two-phase flow local wall shear stresses membrane processes Membrane separation (reverse osmosis, dialysis...) Multiphase and particle-laden flows Nonhomogeneous flows Physics |
| title | Gas/Liquid Two-phase Flow in a Flat Sheet Filtration Module: Measurement of Local Wall Shear Stresses |
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