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Article: Nanofluids: synthesis, heat conduction, and extension

TitleNanofluids: synthesis, heat conduction, and extension
Authors
KeywordsDual-phaselagging
Dual-phaselagging
Emulsion
Heat conduction
Nanofluids
Issue Date2009
PublisherASME International. The Journal's web site is located at http://ojps.aip.org/ASMEJournals/HeatTransfer
Citation
Journal of Heat Transfer, 2009, v. 131 n. 3, article no. 033102 How to Cite?
AbstractWe synthesize eight kinds of nanofluids with controllable microstructures by a chemical solution method (CSM) and develop a theory of macroscale heat conduction in nanofluids. By the CSM, we can easily vary and manipulate nanofluid microstructures through adjusting synthesis parameters. Our theory shows that heat conduction in nanofluids is of a dual-phase-lagging type instead of the postulated and commonly used Fourier heat conduction. Due to the coupled conduction of the two phases, thermal waves and possibly resonance may appear in nanofluid heat conduction. Such waves and resonance are responsible for the conductivity enhancement. Our theory also generalizes nanofluids into thermal-wave fluids in which heat conduction can support thermal waves. We emulsify olive oil into distilled water to form a new type of thermal-wave fluids that can support much stronger thermal waves and resonance than all reported nanofluids, and consequently extraordinary water conductivity enhancement (up to 153.3%) by adding some olive oil that has a much lower conductivity than water. Copyright © 2009 by ASME.
Persistent Identifierhttp://hdl.handle.net/10722/59120
ISSN
2014 Impact Factor: 1.450
2014 SCImago Journal Rankings: 0.859
ISI Accession Number ID
References
Errata

 

DC FieldValueLanguage
dc.contributor.authorWang, Len_HK
dc.contributor.authorWei, Xen_HK
dc.date.accessioned2010-05-31T03:43:12Z-
dc.date.available2010-05-31T03:43:12Z-
dc.date.issued2009en_HK
dc.identifier.citationJournal of Heat Transfer, 2009, v. 131 n. 3, article no. 033102en_HK
dc.identifier.issn0022-1481en_HK
dc.identifier.urihttp://hdl.handle.net/10722/59120-
dc.description.abstractWe synthesize eight kinds of nanofluids with controllable microstructures by a chemical solution method (CSM) and develop a theory of macroscale heat conduction in nanofluids. By the CSM, we can easily vary and manipulate nanofluid microstructures through adjusting synthesis parameters. Our theory shows that heat conduction in nanofluids is of a dual-phase-lagging type instead of the postulated and commonly used Fourier heat conduction. Due to the coupled conduction of the two phases, thermal waves and possibly resonance may appear in nanofluid heat conduction. Such waves and resonance are responsible for the conductivity enhancement. Our theory also generalizes nanofluids into thermal-wave fluids in which heat conduction can support thermal waves. We emulsify olive oil into distilled water to form a new type of thermal-wave fluids that can support much stronger thermal waves and resonance than all reported nanofluids, and consequently extraordinary water conductivity enhancement (up to 153.3%) by adding some olive oil that has a much lower conductivity than water. Copyright © 2009 by ASME.en_HK
dc.languageengen_HK
dc.publisherASME International. The Journal's web site is located at http://ojps.aip.org/ASMEJournals/HeatTransferen_HK
dc.relation.ispartofJournal of Heat Transferen_HK
dc.subjectDual-phaselaggingen_HK
dc.subjectDual-phaselaggingen_HK
dc.subjectEmulsionen_HK
dc.subjectHeat conductionen_HK
dc.subjectNanofluidsen_HK
dc.titleNanofluids: synthesis, heat conduction, and extensionen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0022-1481&volume=131&spage=033102/1&epage=033102/7&date=2009&atitle=Nanofluids:+synthesis,+heat+conduction,+and+extensionen_HK
dc.identifier.emailWang, L: lqwang@hku.hken_HK
dc.identifier.authorityWang, L=rp00184en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1115/1.3056597en_HK
dc.identifier.scopuseid_2-s2.0-77955241961en_HK
dc.identifier.hkuros164917en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77955241961&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume131en_HK
dc.identifier.issue3, article no. 033102en_HK
dc.identifier.isiWOS:000264288400003-
dc.publisher.placeUnited Statesen_HK
dc.relation.erratumdoi:10.1115/1.3111264-
dc.identifier.scopusauthoridWei, X=23669842200en_HK
dc.identifier.scopusauthoridWang, L=35235288500en_HK

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