Numerical simulations for the rheological characteristics of emulsions under several conditions including temperature, shear rate, surfactant concentration and droplet size
An emulsion system was simulated under simple shear rates to analyse its rheological characteristics using the lattice Boltzmann method. The relative viscosity of an emulsion under a simple shear flow along with changes in temperature, shear rate, surfactant concentration and droplet size was calcul...
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| Veröffentlicht in: | Micro & nano letters 2014-12, Vol.9 (12), p.896-900 |
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| creator | Choi, Se Bin Lee, Jung Shin Baik, Seung Joo Lee, Joon Sang |
| description | An emulsion system was simulated under simple shear rates to analyse its rheological characteristics using the lattice Boltzmann method. The relative viscosity of an emulsion under a simple shear flow along with changes in temperature, shear rate, surfactant concentration and droplet size was calculated. The relative viscosity of emulsions decreased with increase in temperature. The shear thinning phenomena explaining the inverse proportion between shear rate and viscosity were observed. An increase in the surfactant concentration caused an increase in the relative viscosity for a decane-in-water emulsion, because the increased deformation caused by the decreased interfacial tension significantly influenced the wall shear stress. An increase in droplet size caused a decrease in the relative viscosity and smaller shear thinning behaviour because of decreased aggregational and repulsive forces within the emulsion system. |
| doi_str_mv | 10.1049/mnl.2014.0426 |
| format | Article |
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The relative viscosity of an emulsion under a simple shear flow along with changes in temperature, shear rate, surfactant concentration and droplet size was calculated. The relative viscosity of emulsions decreased with increase in temperature. The shear thinning phenomena explaining the inverse proportion between shear rate and viscosity were observed. An increase in the surfactant concentration caused an increase in the relative viscosity for a decane-in-water emulsion, because the increased deformation caused by the decreased interfacial tension significantly influenced the wall shear stress. An increase in droplet size caused a decrease in the relative viscosity and smaller shear thinning behaviour because of decreased aggregational and repulsive forces within the emulsion system.</description><identifier>ISSN: 1750-0443</identifier><identifier>EISSN: 1750-0443</identifier><identifier>DOI: 10.1049/mnl.2014.0426</identifier><language>eng</language><publisher>The Institution of Engineering and Technology</publisher><subject>Computer simulation ; decane‐in‐water emulsion ; deformation ; droplet size ; Droplets ; drops ; emulsion system ; Emulsions ; flow simulation ; H2O ; interfacial tension ; Inverse ; inverse proportion ; lattice Boltzmann method ; lattice Boltzmann methods ; numerical analysis ; numerical simulation ; organic compounds ; relative viscosity ; rheological characteristics ; Rheological properties ; rheology ; shear flow ; Shear rate ; shear strength ; shear thinning ; Special Section: Selected Papers from APCOT 2014 ; surface tension ; surfactant concentration ; Surfactants ; Viscosity ; wall shear stress ; water</subject><ispartof>Micro & nano letters, 2014-12, Vol.9 (12), p.896-900</ispartof><rights>The Institution of Engineering and Technology</rights><rights>2014 The Institution of Engineering and Technology</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3812-202f18fa63e4840b886cc7b064f2af6aa4e424a5b1a9c004f4a4806e1f5bbc6f3</citedby><cites>FETCH-LOGICAL-c3812-202f18fa63e4840b886cc7b064f2af6aa4e424a5b1a9c004f4a4806e1f5bbc6f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1049%2Fmnl.2014.0426$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1049%2Fmnl.2014.0426$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,11543,27903,27904,45553,45554,46030,46454</link.rule.ids><linktorsrc>$$Uhttps://onlinelibrary.wiley.com/doi/abs/10.1049%2Fmnl.2014.0426$$EView_record_in_Wiley-Blackwell$$FView_record_in_$$GWiley-Blackwell</linktorsrc></links><search><creatorcontrib>Choi, Se Bin</creatorcontrib><creatorcontrib>Lee, Jung Shin</creatorcontrib><creatorcontrib>Baik, Seung Joo</creatorcontrib><creatorcontrib>Lee, Joon Sang</creatorcontrib><title>Numerical simulations for the rheological characteristics of emulsions under several conditions including temperature, shear rate, surfactant concentration and droplet size</title><title>Micro & nano letters</title><description>An emulsion system was simulated under simple shear rates to analyse its rheological characteristics using the lattice Boltzmann method. The relative viscosity of an emulsion under a simple shear flow along with changes in temperature, shear rate, surfactant concentration and droplet size was calculated. The relative viscosity of emulsions decreased with increase in temperature. The shear thinning phenomena explaining the inverse proportion between shear rate and viscosity were observed. An increase in the surfactant concentration caused an increase in the relative viscosity for a decane-in-water emulsion, because the increased deformation caused by the decreased interfacial tension significantly influenced the wall shear stress. An increase in droplet size caused a decrease in the relative viscosity and smaller shear thinning behaviour because of decreased aggregational and repulsive forces within the emulsion system.</description><subject>Computer simulation</subject><subject>decane‐in‐water emulsion</subject><subject>deformation</subject><subject>droplet size</subject><subject>Droplets</subject><subject>drops</subject><subject>emulsion system</subject><subject>Emulsions</subject><subject>flow simulation</subject><subject>H2O</subject><subject>interfacial tension</subject><subject>Inverse</subject><subject>inverse proportion</subject><subject>lattice Boltzmann method</subject><subject>lattice Boltzmann methods</subject><subject>numerical analysis</subject><subject>numerical simulation</subject><subject>organic compounds</subject><subject>relative viscosity</subject><subject>rheological characteristics</subject><subject>Rheological properties</subject><subject>rheology</subject><subject>shear flow</subject><subject>Shear rate</subject><subject>shear strength</subject><subject>shear thinning</subject><subject>Special Section: Selected Papers from APCOT 2014</subject><subject>surface tension</subject><subject>surfactant concentration</subject><subject>Surfactants</subject><subject>Viscosity</subject><subject>wall shear stress</subject><subject>water</subject><issn>1750-0443</issn><issn>1750-0443</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp9kUtv1DAUhSMEEqWwZO8NEkhksD2Ok1mWEX1I07KBteU41x1Xjh38aNX-pv7IOpMuuqhY-Vr3O0dH91TVZ4JXBLPNj9HZFcWErTCj_E11RNoG15ix9dsX8_vqQ4w3GLOWtpuj6vEqjxCMkhZFM2Yrk_EuIu0DSntAYQ_e-uvDXu1lkCoVOiajIvIaQVHEgyC7AQKKcAthRr0bzOJknLJ5MO4aJRinsk05wHcU9yADKr95zkEXY-nSLFTgUjjEQNINaAh-spBKugf4WL3T0kb49PweV39Pf_3Znte732cX25NdrdYdoTXFVJNOS74G1jHcdx1Xqu0xZ5pKzaVkwCiTTU_kRpVLaCZZhzkQ3fS94np9XH1dfKfg_2WISYwmKrBWOvA5CtLRpqEcN21B6wVVwccYQIspmFGGe0GwmFsRpRUxtyLmVgrPF_7OWLj_Pywur07oz1OMm44W4ZdFaCCJG5-DKxcoxO4FPw1z9m-vcK-HeQKCU6_Z</recordid><startdate>201412</startdate><enddate>201412</enddate><creator>Choi, Se Bin</creator><creator>Lee, Jung Shin</creator><creator>Baik, Seung Joo</creator><creator>Lee, Joon Sang</creator><general>The Institution of Engineering and Technology</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>L7M</scope></search><sort><creationdate>201412</creationdate><title>Numerical simulations for the rheological characteristics of emulsions under several conditions including temperature, shear rate, surfactant concentration and droplet size</title><author>Choi, Se Bin ; Lee, Jung Shin ; Baik, Seung Joo ; Lee, Joon Sang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3812-202f18fa63e4840b886cc7b064f2af6aa4e424a5b1a9c004f4a4806e1f5bbc6f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Computer simulation</topic><topic>decane‐in‐water emulsion</topic><topic>deformation</topic><topic>droplet size</topic><topic>Droplets</topic><topic>drops</topic><topic>emulsion system</topic><topic>Emulsions</topic><topic>flow simulation</topic><topic>H2O</topic><topic>interfacial tension</topic><topic>Inverse</topic><topic>inverse proportion</topic><topic>lattice Boltzmann method</topic><topic>lattice Boltzmann methods</topic><topic>numerical analysis</topic><topic>numerical simulation</topic><topic>organic compounds</topic><topic>relative viscosity</topic><topic>rheological characteristics</topic><topic>Rheological properties</topic><topic>rheology</topic><topic>shear flow</topic><topic>Shear rate</topic><topic>shear strength</topic><topic>shear thinning</topic><topic>Special Section: Selected Papers from APCOT 2014</topic><topic>surface tension</topic><topic>surfactant concentration</topic><topic>Surfactants</topic><topic>Viscosity</topic><topic>wall shear stress</topic><topic>water</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Choi, Se Bin</creatorcontrib><creatorcontrib>Lee, Jung Shin</creatorcontrib><creatorcontrib>Baik, Seung Joo</creatorcontrib><creatorcontrib>Lee, Joon Sang</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</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>Micro & nano letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Choi, Se Bin</au><au>Lee, Jung Shin</au><au>Baik, Seung Joo</au><au>Lee, Joon Sang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Numerical simulations for the rheological characteristics of emulsions under several conditions including temperature, shear rate, surfactant concentration and droplet size</atitle><jtitle>Micro & nano letters</jtitle><date>2014-12</date><risdate>2014</risdate><volume>9</volume><issue>12</issue><spage>896</spage><epage>900</epage><pages>896-900</pages><issn>1750-0443</issn><eissn>1750-0443</eissn><abstract>An emulsion system was simulated under simple shear rates to analyse its rheological characteristics using the lattice Boltzmann method. The relative viscosity of an emulsion under a simple shear flow along with changes in temperature, shear rate, surfactant concentration and droplet size was calculated. The relative viscosity of emulsions decreased with increase in temperature. The shear thinning phenomena explaining the inverse proportion between shear rate and viscosity were observed. An increase in the surfactant concentration caused an increase in the relative viscosity for a decane-in-water emulsion, because the increased deformation caused by the decreased interfacial tension significantly influenced the wall shear stress. An increase in droplet size caused a decrease in the relative viscosity and smaller shear thinning behaviour because of decreased aggregational and repulsive forces within the emulsion system.</abstract><pub>The Institution of Engineering and Technology</pub><doi>10.1049/mnl.2014.0426</doi><tpages>5</tpages></addata></record> |
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| subjects | Computer simulation decane‐in‐water emulsion deformation droplet size Droplets drops emulsion system Emulsions flow simulation H2O interfacial tension Inverse inverse proportion lattice Boltzmann method lattice Boltzmann methods numerical analysis numerical simulation organic compounds relative viscosity rheological characteristics Rheological properties rheology shear flow Shear rate shear strength shear thinning Special Section: Selected Papers from APCOT 2014 surface tension surfactant concentration Surfactants Viscosity wall shear stress water |
| title | Numerical simulations for the rheological characteristics of emulsions under several conditions including temperature, shear rate, surfactant concentration and droplet size |
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