Novel Fabrication Method of Nanofluid Having Good Roundness and High Suspension Stability

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In this study, the author uses the self-developed submerged arc nanofluid synthesis system to fabricate TiO2 nanofluids. This system uses the energy produced by arc discharge to melt and vaporize matallic polarities under a vacuum condition. The vaporized metal is cooled rapidly inside a low-temperature dielectric liquid, forming nanoparticles that are evenly distributed inside the dielectic liquid. Experiment proves that the roundness of the fabricated TiO2nanoparticles are much better than those fabricated by aerosol methods. Also, the fabricated nanofluid carries a high suspension stability. We uses X-ray absorption spectroscopy to analyze their electronic structure of TiO2 nanofluid. Besides, by measuring the Zeta potential of TiO2 nanofluid having different pH values, it investigates into the suspension stability of the TiO2nanofluid. In order to verify the applicability of the TiO2nanofluid, this study also analyzes and compares the rheology properties of the nanofluid having different average particle sizes as well as their reaction towards light absorption.

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Periodical:

Edited by:

Dílson S. dos Santos

Pages:

85-90

DOI:

10.4028/www.scientific.net/MSF.570.85

Citation:

H. Chang et al., "Novel Fabrication Method of Nanofluid Having Good Roundness and High Suspension Stability ", Materials Science Forum, Vol. 570, pp. 85-90, 2008

Online since:

February 2008

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Price:

$35.00

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