A CFD Study on Heat Transfer Performance of SiO 2 -TiO 2 Nanofluids under Turbulent Flow
A CFD model was performed with commercial software through the adoption of the finite volume method and a SIMPLE algorithm. SiO -P25 particles were added to water/ethylene glycol as a base fluid. The result is considered a new hybrid nanofluid (HN) for investigating heat transfer (HT). The volume co...
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Veröffentlicht in: | Nanomaterials (Basel, Switzerland) Switzerland), 2022-01, Vol.12 (3) |
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creator | Ba, Thong Le Gróf, Gyula Odhiambo, Vincent Otieno Wongwises, Somchai Szilágyi, Imre Miklós |
description | A CFD model was performed with commercial software through the adoption of the finite volume method and a SIMPLE algorithm. SiO
-P25 particles were added to water/ethylene glycol as a base fluid. The result is considered a new hybrid nanofluid (HN) for investigating heat transfer (HT). The volume concentrations were 0.5, 1.0, and 1.5%. The Reynolds number was in the range of 5000-17,000. The heat flux (HF) was 7955 W/m
, and the wall temperature was 340.15 K. The numerical experiments were performed strictly following the rules that one should follow in HT experiments. This is important because many studies related to nanofluid HT overlook these details. The empirical correlations that contain the friction factor perform better with higher Reynolds numbers than the correlations based only on Reynolds and Prandtl numbers. When temperature differences are moderate, researchers may consider using constant properties to lower computational costs, as they may give results that are similar to temperature-dependent ones. Compared with previous research, our simulation results are in agreement with the experiments in real time. |
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-P25 particles were added to water/ethylene glycol as a base fluid. The result is considered a new hybrid nanofluid (HN) for investigating heat transfer (HT). The volume concentrations were 0.5, 1.0, and 1.5%. The Reynolds number was in the range of 5000-17,000. The heat flux (HF) was 7955 W/m
, and the wall temperature was 340.15 K. The numerical experiments were performed strictly following the rules that one should follow in HT experiments. This is important because many studies related to nanofluid HT overlook these details. The empirical correlations that contain the friction factor perform better with higher Reynolds numbers than the correlations based only on Reynolds and Prandtl numbers. When temperature differences are moderate, researchers may consider using constant properties to lower computational costs, as they may give results that are similar to temperature-dependent ones. Compared with previous research, our simulation results are in agreement with the experiments in real time.</description><identifier>ISSN: 2079-4991</identifier><identifier>EISSN: 2079-4991</identifier><identifier>PMID: 35159644</identifier><language>eng</language><publisher>Switzerland</publisher><ispartof>Nanomaterials (Basel, Switzerland), 2022-01, Vol.12 (3)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-6359-768X ; 0000-0003-1203-8914 ; 0000-0002-9638-6635</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35159644$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ba, Thong Le</creatorcontrib><creatorcontrib>Gróf, Gyula</creatorcontrib><creatorcontrib>Odhiambo, Vincent Otieno</creatorcontrib><creatorcontrib>Wongwises, Somchai</creatorcontrib><creatorcontrib>Szilágyi, Imre Miklós</creatorcontrib><title>A CFD Study on Heat Transfer Performance of SiO 2 -TiO 2 Nanofluids under Turbulent Flow</title><title>Nanomaterials (Basel, Switzerland)</title><addtitle>Nanomaterials (Basel)</addtitle><description>A CFD model was performed with commercial software through the adoption of the finite volume method and a SIMPLE algorithm. SiO
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, and the wall temperature was 340.15 K. The numerical experiments were performed strictly following the rules that one should follow in HT experiments. This is important because many studies related to nanofluid HT overlook these details. The empirical correlations that contain the friction factor perform better with higher Reynolds numbers than the correlations based only on Reynolds and Prandtl numbers. When temperature differences are moderate, researchers may consider using constant properties to lower computational costs, as they may give results that are similar to temperature-dependent ones. Compared with previous research, our simulation results are in agreement with the experiments in real time.</description><issn>2079-4991</issn><issn>2079-4991</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFjkELgjAYhkcUKeVfiO8PCOq02jEs8VSBHrrJzA2MucnmCP99EgXdei_Pe3gOzwy5UbAjfkxIOP_5DvKMeQTTSIj3CV4iBydhQrZx7KLbAdLsCMVgmxGUhJzRAUpNpeFMw5VprnRH5Z2B4lC0F4jAL984U6m4sG1jwMpmkkurayuYHCAT6rlGC06FYd6HK7TJTmWa-72tO9ZUvW47qsfqm4L_Ci-W8j9L</recordid><startdate>20220118</startdate><enddate>20220118</enddate><creator>Ba, Thong Le</creator><creator>Gróf, Gyula</creator><creator>Odhiambo, Vincent Otieno</creator><creator>Wongwises, Somchai</creator><creator>Szilágyi, Imre Miklós</creator><scope>NPM</scope><orcidid>https://orcid.org/0000-0002-6359-768X</orcidid><orcidid>https://orcid.org/0000-0003-1203-8914</orcidid><orcidid>https://orcid.org/0000-0002-9638-6635</orcidid></search><sort><creationdate>20220118</creationdate><title>A CFD Study on Heat Transfer Performance of SiO 2 -TiO 2 Nanofluids under Turbulent Flow</title><author>Ba, Thong Le ; Gróf, Gyula ; Odhiambo, Vincent Otieno ; Wongwises, Somchai ; Szilágyi, Imre Miklós</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-pubmed_primary_351596443</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ba, Thong Le</creatorcontrib><creatorcontrib>Gróf, Gyula</creatorcontrib><creatorcontrib>Odhiambo, Vincent Otieno</creatorcontrib><creatorcontrib>Wongwises, Somchai</creatorcontrib><creatorcontrib>Szilágyi, Imre Miklós</creatorcontrib><collection>PubMed</collection><jtitle>Nanomaterials (Basel, Switzerland)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ba, Thong Le</au><au>Gróf, Gyula</au><au>Odhiambo, Vincent Otieno</au><au>Wongwises, Somchai</au><au>Szilágyi, Imre Miklós</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A CFD Study on Heat Transfer Performance of SiO 2 -TiO 2 Nanofluids under Turbulent Flow</atitle><jtitle>Nanomaterials (Basel, Switzerland)</jtitle><addtitle>Nanomaterials (Basel)</addtitle><date>2022-01-18</date><risdate>2022</risdate><volume>12</volume><issue>3</issue><issn>2079-4991</issn><eissn>2079-4991</eissn><abstract>A CFD model was performed with commercial software through the adoption of the finite volume method and a SIMPLE algorithm. SiO
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, and the wall temperature was 340.15 K. The numerical experiments were performed strictly following the rules that one should follow in HT experiments. This is important because many studies related to nanofluid HT overlook these details. The empirical correlations that contain the friction factor perform better with higher Reynolds numbers than the correlations based only on Reynolds and Prandtl numbers. When temperature differences are moderate, researchers may consider using constant properties to lower computational costs, as they may give results that are similar to temperature-dependent ones. Compared with previous research, our simulation results are in agreement with the experiments in real time.</abstract><cop>Switzerland</cop><pmid>35159644</pmid><orcidid>https://orcid.org/0000-0002-6359-768X</orcidid><orcidid>https://orcid.org/0000-0003-1203-8914</orcidid><orcidid>https://orcid.org/0000-0002-9638-6635</orcidid></addata></record> |
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title | A CFD Study on Heat Transfer Performance of SiO 2 -TiO 2 Nanofluids under Turbulent Flow |
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