Journal of Magnetism and Magnetic Materials, ( ISI ), Volume (322), No (24), Year (2010-8) , Pages (3895-3901)

Title : ( Fabrication,characterizationandmeasurementof thermal conductivityofFe3O4 nanofluids )

Authors: Maryam Abareshi , Elaheh Kafshdare Goharshadi , Seyed Mojtaba Zebarjad , Hassan Khandan Fadafan , Abbas Youssefi ,
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Abstract

MagnetiteFe3O4 nanoparticlesweresynthesizedbyaco-precipitationmethodatdifferentpHvalues. The productswerecharacterizedbyX-raydiffraction,Fouriertransforminfraredspectroscopy,and transmissionelectronicmicroscopy.Theirmagneticpropertieswereevaluatedonavibratingsample magnetometer.Theresultsshowthattheshapeoftheparticlesiscubicandtheyaresuperparamagnetic at roomtemperature.MagneticnanofluidswerepreparedbydispersingtheFe3O4 nanoparticlesin waterasabasefluidinthepresenceoftetramethylammoniumhydroxideasadispersant.Thethermal conductivityofthenanofluidswasmeasuredasafunctionofvolumefractionandtemperature.The results showthatthethermalconductivityratioofthenanofluidsincreaseswithincreasein temperatureandvolumefraction.Thehighestenhancementofthermalconductivitywas11.5%in the nanofluidof3vol%ofnanoparticlesat40 1C. Theexperimentalresultswerealsocomparedwiththe theoreticalmodels.

Keywords

Fe3O4 nanoparticle Magnetic nanofluid Thermal conductivity
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@article{paperid:1017108,
author = {Abareshi, Maryam and Kafshdare Goharshadi, Elaheh and Zebarjad, Seyed Mojtaba and Hassan Khandan Fadafan and Abbas Youssefi},
title = {Fabrication,characterizationandmeasurementof thermal conductivityofFe3O4 nanofluids},
journal = {Journal of Magnetism and Magnetic Materials},
year = {2010},
volume = {322},
number = {24},
month = {August},
issn = {0304-8853},
pages = {3895--3901},
numpages = {6},
keywords = {Fe3O4 nanoparticle Magnetic nanofluid Thermal conductivity},
}

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%0 Journal Article
%T Fabrication,characterizationandmeasurementof thermal conductivityofFe3O4 nanofluids
%A Abareshi, Maryam
%A Kafshdare Goharshadi, Elaheh
%A Zebarjad, Seyed Mojtaba
%A Hassan Khandan Fadafan
%A Abbas Youssefi
%J Journal of Magnetism and Magnetic Materials
%@ 0304-8853
%D 2010

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