Comparison of Polarization Phenomena and Changes in Relative Permittivity in Mineral- and Ester-Based Nanofluids

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23220%2F25%3A43976242" target="_blank" >RIV/49777513:23220/25:43976242 - isvavai.cz</a>
Result on the web
<a href="https://ieeexplore.ieee.org/document/11068218" target="_blank" >https://ieeexplore.ieee.org/document/11068218</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/ICDL63868.2025.11068218" target="_blank" >10.1109/ICDL63868.2025.11068218</a>

Result language
angličtina
Original language name
Comparison of Polarization Phenomena and Changes in Relative Permittivity in Mineral- and Ester-Based Nanofluids
Original language description
Two different phenomena were observed in nanofluids with different oil-based fluids. While the relative permittivity increases in mineral oil-based oxide nanofluids, the opposite effect is seen in ester nanofluids. This paper describes the relaxation times and polarizations in pure oil samples and nanofluids, using Havriliak-Negami formula, a mathematical explanation of this phenomenon is attempted. An experiment was conducted where pure samples of the mineral oil Nynas Lyra, the natural ester rapeseed oil, and synthetic ester oil MIDEL 7131, and then their nanofluids with SiO2 additive were measured. The measurements were carried out using Broadband dielectric spectroscopy as a function of frequency and temperature.
Czech name
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Czech description
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Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
2025 IEEE International Conference on Dielectric Liquids (ICDL)
ISBN
978-1-66547-758-1
ISSN
2153-3725
e-ISSN
2153-3733
Number of pages
4
Pages from-to
1-4
Publisher name
IEEE
Place of publication
Piscaway
Event location
Lodz, Poland
Event date
May 18, 2025
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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