Application of SAXS to the study of particle-size-dependent thermal conductivity in silica nanofluids.

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dc.contributor.authorChen, Gen_AU
dc.contributor.authorYu, WHen_AU
dc.contributor.authorSingh, Den_AU
dc.contributor.authorCookson, DJen_AU
dc.contributor.authorRoutbort, Jen_AU
dc.date.accessioned2009-11-05T05:12:46Zen_AU
dc.date.accessioned2010-04-30T05:07:04Zen_AU
dc.date.available2009-11-05T05:12:46Zen_AU
dc.date.available2010-04-30T05:07:04Zen_AU
dc.date.issued2008-10en_AU
dc.date.statistics2008-10en_AU
dc.description.abstractKnowledge of the size and distribution of nanoparticles in solution is critical to understanding the observed enhancements in thermal conductivity and heat transfer of nanofluids. We have applied smallangle X-ray scattering (SAXS) to the characterization of SiO2 nanoparticles (10-30 nm) uniformly dispersed in a water-based fluid using the Advanced Photon Source at Argonne National Laboratory. Size distributions for the suspended nanoparticles were derived by fitting experimental data to an established model. Thermal conductivity of the SiO2 nanofluids was also measured, and the relation between the average particle size and the thermal conductivity enhancement was established. The experimental data contradict models based on fluid interfacial layers or Brownian motion but support the concept of thermal resistance at the liquid-particle interface. © 2008, Springer.en_AU
dc.identifier.citationChen, G., Yu, W. H., Singh, D., Cookson, D., & Routbort, J. (2008). Application of SAXS to the study of particle-size-dependent thermal conductivity in silica nanofluids. Journal of Nanoparticle Research, 10(7), 1109-1114. doi:10.1007/s11051-007-9347-yen_AU
dc.identifier.govdoc1451en_AU
dc.identifier.issn1388-0764en_AU
dc.identifier.issue7en_AU
dc.identifier.journaltitleJournal of Nanoparticle Researchen_AU
dc.identifier.pagination1109-1114en_AU
dc.identifier.urihttp://dx.doi.org/10.1007/s11051-007-9347-yen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/2211en_AU
dc.identifier.volume10en_AU
dc.language.isoenen_AU
dc.publisherSpringeren_AU
dc.subjectThermal conductivityen_AU
dc.subjectSilicaen_AU
dc.subjectSmall angle scatteringen_AU
dc.subjectAdvanced Photon Sourceen_AU
dc.subjectParticle sizeen_AU
dc.subjectHeat transferen_AU
dc.titleApplication of SAXS to the study of particle-size-dependent thermal conductivity in silica nanofluids.en_AU
dc.typeJournal Articleen_AU
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