| Issue |
E3S Web Conf.
Volume 578, 2024
XL Siberian Thermophysical Seminar (STS-40)
|
|
|---|---|---|
| Article Number | 01023 | |
| Number of page(s) | 9 | |
| DOI | https://doi.org/10.1051/e3sconf/202457801023 | |
| Published online | 14 October 2024 | |
Electrical conductivity of nanofluids based on water and Cu-C nanoparticles synthesized by the electric arc method
Kutateladze Institute of Thermophysics, 630090 Novosibirsk, Russia
* Corresponding author: morozova.itp@gmail.com
In this work, electric arc synthesis was carried out by sputtering a graphite electrode with copper powder in a helium environment at a pressure of 12 Torr, resulting in the production of copper nanoparticles coated with carbon, with an average size of 6 nm. The synthesized material was characterized by transmission electron microscopy, Raman spectroscopy, and X-ray phase analysis. The effect of nanoparticle concentration on the electrical conductivity of water-based nanofluids was studied. It was found that when nanoparticles are added to water, the electrical conductivity of nanofluids increases, however at concentrations above 0.01 wt%, the electrical conductivity begins to decrease.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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