Nanoparticles migration due to thermophoresis and Brownian motion and its impact on Ag-MgO/Water hybrid nanofluid natural convection
The present study aims to investigate the impact of nanoparticle migration due to Brownian motion and thermophoresis on Ag-MgO/Water hybrid nanofluid natural convection. An enclosure with sinusoidal wavy walls is considered for this investigation; right and cold walls of this enclosure are in consta...
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| Veröffentlicht in: | Powder technology 2020-09, Vol.375, p.493-503 |
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| creator | Goudarzi, Sahar Shekaramiz, Masih Omidvar, Alireza Golab, Ehsan Karimipour, Arash Karimipour, Aliakbar |
| description | The present study aims to investigate the impact of nanoparticle migration due to Brownian motion and thermophoresis on Ag-MgO/Water hybrid nanofluid natural convection. An enclosure with sinusoidal wavy walls is considered for this investigation; right and cold walls of this enclosure are in constant temperature while the upper and bottom walls are insulated. This simulation follows Buongiorno's mathematical model; Brownian and thermophoresis diffusion of Ag occurs in MgO-Water nanofluid while the diffusion of MgO happens in Ag-water nanofluid. The result indicates that Nu number increments up to 11% by increasing thermophoresis diffusion for both nanoparticles. Also, increasing Brownian diffusion of Ag augments nanoparticle concentration on hot wall, while the accumulation of nanoparticles unifies by incrementing Brownian diffusion of MgO.
[Display omitted]
•Ag − MgO/water hybrid nanofluid utilizing Buongiorno's mathematical model.•Nanoparticle accumulates better on the cold wall due to thermophoresis migration.•Nu number increments up to 11% by increasing thermophoresis diffusion.•The accumulation of nanoparticles unifies by augmenting DBMgO. |
| doi_str_mv | 10.1016/j.powtec.2020.07.115 |
| format | Article |
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[Display omitted]
•Ag − MgO/water hybrid nanofluid utilizing Buongiorno's mathematical model.•Nanoparticle accumulates better on the cold wall due to thermophoresis migration.•Nu number increments up to 11% by increasing thermophoresis diffusion.•The accumulation of nanoparticles unifies by augmenting DBMgO.</description><identifier>ISSN: 0032-5910</identifier><identifier>EISSN: 1873-328X</identifier><identifier>DOI: 10.1016/j.powtec.2020.07.115</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Brownian motion ; Convection ; Diffusion ; Enclosures ; Free convection ; Hybrid nanofluid ; Magnesium oxide ; Mathematical models ; Nanofluid ; Nanofluids ; Nanoparticles ; Nanoparticles migration ; Natural convection ; Silver ; Thermophoresis ; Thermophoresis and Brownian motion ; Walls</subject><ispartof>Powder technology, 2020-09, Vol.375, p.493-503</ispartof><rights>2020</rights><rights>Copyright Elsevier BV Sep 20, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-b04de392f07a0b65133035661eef80b8db499136d0469a90ee7afa117edb5e3e3</citedby><cites>FETCH-LOGICAL-c334t-b04de392f07a0b65133035661eef80b8db499136d0469a90ee7afa117edb5e3e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0032591020307397$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Goudarzi, Sahar</creatorcontrib><creatorcontrib>Shekaramiz, Masih</creatorcontrib><creatorcontrib>Omidvar, Alireza</creatorcontrib><creatorcontrib>Golab, Ehsan</creatorcontrib><creatorcontrib>Karimipour, Arash</creatorcontrib><creatorcontrib>Karimipour, Aliakbar</creatorcontrib><title>Nanoparticles migration due to thermophoresis and Brownian motion and its impact on Ag-MgO/Water hybrid nanofluid natural convection</title><title>Powder technology</title><description>The present study aims to investigate the impact of nanoparticle migration due to Brownian motion and thermophoresis on Ag-MgO/Water hybrid nanofluid natural convection. An enclosure with sinusoidal wavy walls is considered for this investigation; right and cold walls of this enclosure are in constant temperature while the upper and bottom walls are insulated. This simulation follows Buongiorno's mathematical model; Brownian and thermophoresis diffusion of Ag occurs in MgO-Water nanofluid while the diffusion of MgO happens in Ag-water nanofluid. The result indicates that Nu number increments up to 11% by increasing thermophoresis diffusion for both nanoparticles. Also, increasing Brownian diffusion of Ag augments nanoparticle concentration on hot wall, while the accumulation of nanoparticles unifies by incrementing Brownian diffusion of MgO.
[Display omitted]
•Ag − MgO/water hybrid nanofluid utilizing Buongiorno's mathematical model.•Nanoparticle accumulates better on the cold wall due to thermophoresis migration.•Nu number increments up to 11% by increasing thermophoresis diffusion.•The accumulation of nanoparticles unifies by augmenting DBMgO.</description><subject>Brownian motion</subject><subject>Convection</subject><subject>Diffusion</subject><subject>Enclosures</subject><subject>Free convection</subject><subject>Hybrid nanofluid</subject><subject>Magnesium oxide</subject><subject>Mathematical models</subject><subject>Nanofluid</subject><subject>Nanofluids</subject><subject>Nanoparticles</subject><subject>Nanoparticles migration</subject><subject>Natural convection</subject><subject>Silver</subject><subject>Thermophoresis</subject><subject>Thermophoresis and Brownian motion</subject><subject>Walls</subject><issn>0032-5910</issn><issn>1873-328X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9UMtKxDAUDaLg-PgDFwHX7dw0fW4EFV_gY6PoLqTJ7UyGaVKTVHHvh9txXLu6l8N5cA4hJwxSBqycr9LBfUZUaQYZpFCljBU7ZMbqiic8q992yQyAZ0nRMNgnByGsAKDkDGbk-1FaN0gfjVpjoL1ZeBmNs1SPSKOjcYm-d8PSeQwmUGk1vfDu0xppae9-mRvMxEBNP0gV6YScL5KHxdP8VUb0dPnVeqOpnXK69fj7xdHLNVXOfqDaWByRvU6uAx7_3UPycn31fHmb3D_d3F2e3yeK8zwmLeQaeZN1UEloy4JxDrwoS4bY1dDWus2bhvFSQ142sgHESnaSsQp1WyBHfkhOt76Dd-8jhihWbvR2ihRZXtV1BhU0EyvfspR3IXjsxOBNL_2XYCA2e4uV2O4tNnsLqMS09yQ728pwavBh0IugDFqF2vipptDO_G_wA7Hfjbs</recordid><startdate>20200920</startdate><enddate>20200920</enddate><creator>Goudarzi, Sahar</creator><creator>Shekaramiz, Masih</creator><creator>Omidvar, Alireza</creator><creator>Golab, Ehsan</creator><creator>Karimipour, Arash</creator><creator>Karimipour, Aliakbar</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7ST</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>JG9</scope><scope>SOI</scope></search><sort><creationdate>20200920</creationdate><title>Nanoparticles migration due to thermophoresis and Brownian motion and its impact on Ag-MgO/Water hybrid nanofluid natural convection</title><author>Goudarzi, Sahar ; Shekaramiz, Masih ; Omidvar, Alireza ; Golab, Ehsan ; Karimipour, Arash ; Karimipour, Aliakbar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-b04de392f07a0b65133035661eef80b8db499136d0469a90ee7afa117edb5e3e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Brownian motion</topic><topic>Convection</topic><topic>Diffusion</topic><topic>Enclosures</topic><topic>Free convection</topic><topic>Hybrid nanofluid</topic><topic>Magnesium oxide</topic><topic>Mathematical models</topic><topic>Nanofluid</topic><topic>Nanofluids</topic><topic>Nanoparticles</topic><topic>Nanoparticles migration</topic><topic>Natural convection</topic><topic>Silver</topic><topic>Thermophoresis</topic><topic>Thermophoresis and Brownian motion</topic><topic>Walls</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Goudarzi, Sahar</creatorcontrib><creatorcontrib>Shekaramiz, Masih</creatorcontrib><creatorcontrib>Omidvar, Alireza</creatorcontrib><creatorcontrib>Golab, Ehsan</creatorcontrib><creatorcontrib>Karimipour, Arash</creatorcontrib><creatorcontrib>Karimipour, Aliakbar</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Materials Research Database</collection><collection>Environment Abstracts</collection><jtitle>Powder technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Goudarzi, Sahar</au><au>Shekaramiz, Masih</au><au>Omidvar, Alireza</au><au>Golab, Ehsan</au><au>Karimipour, Arash</au><au>Karimipour, Aliakbar</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nanoparticles migration due to thermophoresis and Brownian motion and its impact on Ag-MgO/Water hybrid nanofluid natural convection</atitle><jtitle>Powder technology</jtitle><date>2020-09-20</date><risdate>2020</risdate><volume>375</volume><spage>493</spage><epage>503</epage><pages>493-503</pages><issn>0032-5910</issn><eissn>1873-328X</eissn><abstract>The present study aims to investigate the impact of nanoparticle migration due to Brownian motion and thermophoresis on Ag-MgO/Water hybrid nanofluid natural convection. An enclosure with sinusoidal wavy walls is considered for this investigation; right and cold walls of this enclosure are in constant temperature while the upper and bottom walls are insulated. This simulation follows Buongiorno's mathematical model; Brownian and thermophoresis diffusion of Ag occurs in MgO-Water nanofluid while the diffusion of MgO happens in Ag-water nanofluid. The result indicates that Nu number increments up to 11% by increasing thermophoresis diffusion for both nanoparticles. Also, increasing Brownian diffusion of Ag augments nanoparticle concentration on hot wall, while the accumulation of nanoparticles unifies by incrementing Brownian diffusion of MgO.
[Display omitted]
•Ag − MgO/water hybrid nanofluid utilizing Buongiorno's mathematical model.•Nanoparticle accumulates better on the cold wall due to thermophoresis migration.•Nu number increments up to 11% by increasing thermophoresis diffusion.•The accumulation of nanoparticles unifies by augmenting DBMgO.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.powtec.2020.07.115</doi><tpages>11</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Brownian motion Convection Diffusion Enclosures Free convection Hybrid nanofluid Magnesium oxide Mathematical models Nanofluid Nanofluids Nanoparticles Nanoparticles migration Natural convection Silver Thermophoresis Thermophoresis and Brownian motion Walls |
| title | Nanoparticles migration due to thermophoresis and Brownian motion and its impact on Ag-MgO/Water hybrid nanofluid natural convection |
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