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Bang, In Cheol
Nuclear Thermal Hydraulics and Reactor Safety Lab.
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dc.citation.endPage 356 -
dc.citation.startPage 348 -
dc.citation.title INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER -
dc.citation.volume 65 -
dc.contributor.author Lee, Seung Won -
dc.contributor.author Kim, Kyung Mo -
dc.contributor.author Bang, In Cheol -
dc.date.accessioned 2023-12-22T03:37:01Z -
dc.date.available 2023-12-22T03:37:01Z -
dc.date.created 2013-08-28 -
dc.date.issued 2013-10 -
dc.description.abstract In this study, the flow boiling critical heat flux (CHF) using graphene oxide (GO)/water nanofluid was investigated under low pressure and low flow conditions. The 0.01 vol.% GO/water nanofluid is prepared for CHF enhancement test because recently, there are a lot of interests about graphene as an exceptional heat conduction material for thermal management and GO nanoparticles are more dispersed in water than graphene nanoparticles in terms of hydrophilicity. All experiments were carried out for round tubes with 1/2 in. diameter and 0.5 m heating length under low pressure and low flow (LPLF) at two fixed inlet temperatures (25 and 50 C) and at four different mass fluxes (100, 150, 200 and 250 kg/m2 s). It was found that the CHF of the GO/water nanofluid was more enhanced up to ∼100% than the CHF of water as a base fluid. The causes of CHF enhancement were investigated through macroscopic observations, SEM observations and measurement of contact angles of the heated surfaces with depositions. Liquid film thickness affected by evaporation, entrainment and deposition mass transfer can be closely linked with wettability and GO properties. -
dc.identifier.bibliographicCitation INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, v.65, pp.348 - 356 -
dc.identifier.doi 10.1016/j.ijheatmasstransfer.2013.06.013 -
dc.identifier.issn 0017-9310 -
dc.identifier.scopusid 2-s2.0-84880001883 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/3960 -
dc.identifier.url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84880001883 -
dc.identifier.wosid 000324844800036 -
dc.language 영어 -
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD -
dc.title Study on flow boiling critical heat flux enhancement of graphene oxide/water nanofluid -
dc.type Article -
dc.relation.journalWebOfScienceCategory Thermodynamics; Engineering, Mechanical; Mechanics -
dc.relation.journalResearchArea Thermodynamics; Engineering; Mechanics -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor Critical heat flux -
dc.subject.keywordAuthor Flow boiling -
dc.subject.keywordAuthor Graphene oxide -
dc.subject.keywordAuthor Low pressure and low flow -
dc.subject.keywordAuthor Nanofluids -

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