| Issue |
E3S Web Conf.
Volume 592, 2024
International Scientific Conference Energy Management of Municipal Facilities and Environmental Technologies (EMMFT-2024)
|
|
|---|---|---|
| Article Number | 02017 | |
| Number of page(s) | 5 | |
| Section | Thermophysics and Physical Hydrodynamics | |
| DOI | https://doi.org/10.1051/e3sconf/202459202017 | |
| Published online | 20 November 2024 | |
Investigation of immersion media and materials for optical diagnostics in curved wall channels by the matching index of refraction
Kutateladze Institute of Thermophysics SB RAS, 1, Lavrentyev Ave., Novosibirsk, 630090, Russia
* Corresponding author: mtokarev@itp.nsc.ru
Five different refractive liquids and two possible transparent solid materials were tested to perform matched index of refraction (MIR) optical flow measurements and visualisation in channels with curved walls, for example, models of rods in fuel assemblies. The results of the tests showed that the selection of refractive liquid is always a compromise between effective and sometimes hazardous substances such as p-Cymene or essential oils and their less harmful substitutes with higher dynamic viscosity, such as white mineral oil.
© 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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