Details
| Original language | English |
|---|---|
| Article number | 8859306 |
| Pages (from-to) | 145851-145860 |
| Number of pages | 10 |
| Journal | IEEE Access |
| Volume | 7 |
| Early online date | 17 Oct 2019 |
| Publication status | E-pub ahead of print - 17 Oct 2019 |
Abstract
The objective of this work is to study the effect that the addition of magnetic nanoparticles to a natural ester has on its properties and its cooling capacity. Some samples of ferrofluid (natural ester with maghemite) have been prepared using different concentrations. These have been characterized by measuring their thermo-hydraulic and dielectric properties, to find an optimal concentration. Then, the cooling capacities of the optimal nanofluid and the base fluid have been tested in a transformer immersed in these liquids. The experimental platform allowed the measurement of temperatures in different locations at different load levels. Parallel simulations of these tests have been carried out with a Computational Fluid Dynamics model of the experimental platform. The results show an improvement of the insulating capacity of the base fluid with the addition of maghemite nanoparticles, and an enhanced cooling capacity.
Keywords
- CFD simulation, cooling, experimental platform, insulation, nanofluid, transformers
ASJC Scopus subject areas
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In: IEEE Access, Vol. 7, 8859306, 17.10.2019, p. 145851-145860.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Maghemite Nanofluid Based on Natural Ester: Cooling and Insulation Properties Assessment
AU - Olmo, Cristian
AU - Mendez, Cristina
AU - Ortiz, Felix
AU - Delgado, Fernando
AU - Valiente, Rafael
AU - Werle, Peter
N1 - Funding Information: This work was supported in part by the European Union’s Horizon 2020 Research and Innovation Programme through the Marie Sklodowska-Curie under Grant 823969, and in part by the Ministry of Economy through the National Research Project: Improvement of Insulation Systems of Transformers through Dielectric Nanofluids under Grant DPI2015-71219-C2 1-R. The work of C. Olmo was supported by the University of Cantabria and the Government of Cantabria through Ph.D. Scholarship under Grant CVE-2016-6626.
PY - 2019/10/17
Y1 - 2019/10/17
N2 - The objective of this work is to study the effect that the addition of magnetic nanoparticles to a natural ester has on its properties and its cooling capacity. Some samples of ferrofluid (natural ester with maghemite) have been prepared using different concentrations. These have been characterized by measuring their thermo-hydraulic and dielectric properties, to find an optimal concentration. Then, the cooling capacities of the optimal nanofluid and the base fluid have been tested in a transformer immersed in these liquids. The experimental platform allowed the measurement of temperatures in different locations at different load levels. Parallel simulations of these tests have been carried out with a Computational Fluid Dynamics model of the experimental platform. The results show an improvement of the insulating capacity of the base fluid with the addition of maghemite nanoparticles, and an enhanced cooling capacity.
AB - The objective of this work is to study the effect that the addition of magnetic nanoparticles to a natural ester has on its properties and its cooling capacity. Some samples of ferrofluid (natural ester with maghemite) have been prepared using different concentrations. These have been characterized by measuring their thermo-hydraulic and dielectric properties, to find an optimal concentration. Then, the cooling capacities of the optimal nanofluid and the base fluid have been tested in a transformer immersed in these liquids. The experimental platform allowed the measurement of temperatures in different locations at different load levels. Parallel simulations of these tests have been carried out with a Computational Fluid Dynamics model of the experimental platform. The results show an improvement of the insulating capacity of the base fluid with the addition of maghemite nanoparticles, and an enhanced cooling capacity.
KW - CFD simulation
KW - cooling
KW - experimental platform
KW - insulation
KW - nanofluid
KW - transformers
UR - http://www.scopus.com/inward/record.url?scp=85073611908&partnerID=8YFLogxK
U2 - 10.1109/ACCESS.2019.2945547
DO - 10.1109/ACCESS.2019.2945547
M3 - Article
AN - SCOPUS:85073611908
VL - 7
SP - 145851
EP - 145860
JO - IEEE Access
JF - IEEE Access
SN - 2169-3536
M1 - 8859306
ER -