NDLI: The effect of surface treatment of silica nanoparticles on the breakdown strength of mineral oil

Content Provider	IEEE Xplore Digital Library
Author	Huifei Jin Morshuis, P.H.F. Smit, J.J. Andritsch, T.
Copyright Year	2014
Description	Author affiliation: Electr. Sustainable Energy, Delft Univ. of Technol.Delft, Delft, Netherlands (Huifei Jin; Morshuis, P.H.F.; Smit, J.J.) \|\| Electron. & Comput. Sci., Univ. of Southampton, Southampton, UK (Andritsch, T.)
Abstract	In previous work, the results of AC breakdown tests showed that unmodified silica nanoparticles improve the breakdown strength of mineral oil based nanofluids, especially at a relatively high humidity level of around 25 ppm. It was proposed that, since the hydrophilic surface of unmodified silica nanoparticles can absorb water, this would lead to a reduction of free moisture in the bulk of the oil, which has a strong influence on the breakdown strength. In the present study this proposition is verified, by comparing the breakdown strength of two mineral oil based nanofluids: a reference with unmodified silica nanofluid and a nanofluid with Z-6011 modified silica. The silane coupling agent Z-6011 turns the surface of silica nanoparticles hydrophobic, thus preventing water adsorption.
Starting Page	1
Ending Page	4
File Size	1118664
Page Count	4
File Format	PDF
ISBN	9781479920631
DOI	10.1109/ICDL.2014.6893073
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-29
Publisher Place	Slovenia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Silicon compounds Nanoparticles Minerals Electric breakdown Laboratories Nanofluidics humidity nanofluid AC breakdown strength mineral oil silica surface modification
Content Type	Text
Resource Type	Article

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