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Originalpublikation
Olmo, C.; Mendez, C.; Ortiz, F.; Delgado, F.; Valiente, R. et al.: Maghemite Nanofluid Based on Natural Ester: Cooling and Insulation Properties Assessment. In: IEEE Access 7 (2019), S. 145851-145860. DOI: https://doi.org/10.1109/ACCESS.2019.2945547
Version im Repositorium
Zum Zitieren der Version im Repositorium verwenden Sie bitte diesen DOI:
https://doi.org/10.15488/10167
| Zusammenfassung: | |
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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. .
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| Lizenzbestimmungen: | CC BY 4.0 Unported - https://creativecommons.org/licenses/by/4.0/ |
| Publikationstyp: | Article |
| Publikationsstatus: | publishedVersion |
| Erstveröffentlichung: | 2019 |
| Schlagwörter (englisch): | CFD simulation, cooling, experimental platform, insulation, nanofluid, transformers, Computational fluid dynamics, Cooling, Dielectric properties, Electric transformers, Esters, Insulation, Nanomagnetics, Nanoparticles, Simulation platform, CFD simulations, Computational fluid dynamics modeling, Experimental platform, Maghemite nanoparticle, Magnetic nano-particles, Measurement of temperature, Nanofluids, Optimal concentration, Nanofluidics |
| Fachliche Zuordnung (DDC): | 621,3 | Elektrotechnik, Elektronik |
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