Numerical Study of Split T-Micromixers
Identifieur interne : 000A14 ( Main/Merge ); précédent : 000A13; suivant : 000A15Numerical Study of Split T-Micromixers
Auteurs : Mina Roudgar [Italie] ; Elisabetta Brunazzi [Italie] ; Chiara Galletti [Italie] ; Roberto Mauri [Italie]Source :
- Chemical engineering & technology [ 0930-7516 ] ; 2012.
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Abstract
Three-dimensional numerical simulations were performed to study the liquid flow inside split T-type micromixers, investigating the effects of various operating and design parameters on the mixing process. While for small Reynolds numbers, the mixing efficiency of a split T-micromixer is larger than that of a simple T-micromixer, it was found that, when Re = 100, mixing is further enhanced by the formation of vortex pairs. This is not only a function of the flow rate, but it depends also on the geometry of the device and on the ratio between the flow rates in the inlet sub-channels. In general, at a given flow rate, vertical splits induce a much better mixing than horizontal splits, while the reverse may occur for strongly unequal inlet flow rates.
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of Pisa</s1><s2>Pisa</s2><s3>ITA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Italie</country><placeName><settlement type="city">Pise</settlement><region nuts="2">Toscane</region></placeName><orgName type="university">Université de Pise</orgName></affiliation></author><author><name sortKey="Galletti, Chiara" sort="Galletti, Chiara" uniqKey="Galletti C" first="Chiara" last="Galletti">Chiara Galletti</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Department of Chemical Engineering, Industrial Chemistry and Materials Science, University of Pisa</s1><s2>Pisa</s2><s3>ITA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Italie</country><placeName><settlement type="city">Pise</settlement><region nuts="2">Toscane</region></placeName><orgName type="university">Université de Pise</orgName></affiliation></author><author><name sortKey="Mauri, Roberto" sort="Mauri, Roberto" uniqKey="Mauri R" first="Roberto" 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wicri:level="4"><inist:fA14 i1="01"><s1>Department of Chemical Engineering, Industrial Chemistry and Materials Science, University of Pisa</s1><s2>Pisa</s2><s3>ITA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Italie</country><placeName><settlement type="city">Pise</settlement><region nuts="2">Toscane</region></placeName><orgName type="university">Université de Pise</orgName></affiliation></author><author><name sortKey="Galletti, Chiara" sort="Galletti, Chiara" uniqKey="Galletti C" first="Chiara" last="Galletti">Chiara Galletti</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Department of Chemical Engineering, Industrial Chemistry and Materials Science, University of Pisa</s1><s2>Pisa</s2><s3>ITA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Italie</country><placeName><settlement type="city">Pise</settlement><region nuts="2">Toscane</region></placeName><orgName type="university">Université de Pise</orgName></affiliation></author><author><name sortKey="Mauri, Roberto" sort="Mauri, Roberto" uniqKey="Mauri R" first="Roberto" last="Mauri">Roberto Mauri</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Department of Chemical Engineering, Industrial Chemistry and Materials Science, University of Pisa</s1><s2>Pisa</s2><s3>ITA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Italie</country><placeName><settlement type="city">Pise</settlement><region nuts="2">Toscane</region></placeName><orgName type="university">Université de Pise</orgName></affiliation></author></analytic><series><title level="j" type="main">Chemical engineering & technology</title><title level="j" type="abbreviated">Chem. eng. technol.</title><idno type="ISSN">0930-7516</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Chemical engineering & technology</title><title level="j" type="abbreviated">Chem. eng. technol.</title><idno type="ISSN">0930-7516</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Design</term><term>Liquid flow</term><term>Micromixing</term><term>Mixing</term><term>Numerical simulation</term><term>Reynolds number</term><term>Vortex</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Micromélangeage</term><term>Simulation numérique</term><term>Ecoulement liquide</term><term>Conception</term><term>Mélangeage</term><term>Nombre Reynolds</term><term>Tourbillon</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Three-dimensional numerical simulations were performed to study the liquid flow inside split T-type micromixers, investigating the effects of various operating and design parameters on the mixing process. While for small Reynolds numbers, the mixing efficiency of a split T-micromixer is larger than that of a simple T-micromixer, it was found that, when Re = 100, mixing is further enhanced by the formation of vortex pairs. This is not only a function of the flow rate, but it depends also on the geometry of the device and on the ratio between the flow rates in the inlet sub-channels. In general, at a given flow rate, vertical splits induce a much better mixing than horizontal splits, while the reverse may occur for strongly unequal inlet flow rates.</div></front></TEI><affiliations><list><country><li>Italie</li></country><region><li>Toscane</li></region><settlement><li>Pise</li></settlement><orgName><li>Université de Pise</li></orgName></list><tree><country name="Italie"><region name="Toscane"><name sortKey="Roudgar, Mina" sort="Roudgar, Mina" uniqKey="Roudgar M" first="Mina" last="Roudgar">Mina Roudgar</name></region><name sortKey="Brunazzi, Elisabetta" sort="Brunazzi, Elisabetta" uniqKey="Brunazzi E" first="Elisabetta" last="Brunazzi">Elisabetta Brunazzi</name><name sortKey="Galletti, Chiara" sort="Galletti, Chiara" uniqKey="Galletti C" first="Chiara" last="Galletti">Chiara Galletti</name><name sortKey="Mauri, Roberto" sort="Mauri, Roberto" uniqKey="Mauri R" first="Roberto" last="Mauri">Roberto Mauri</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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