| Issue |
EPJ Web Conf.
Volume 269, 2022
EFM19 – Experimental Fluid Mechanics 2019
|
|
|---|---|---|
| Article Number | 01019 | |
| Number of page(s) | 4 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/202226901019 | |
| Published online | 24 October 2022 | |
https://doi.org/10.1051/epjconf/202226901019
Correction of self-illumination for pressure and temperature sensitive paints
1 Kutateladze Institute of Thermophysics, Siberian Branch of Russian Academy of Sciences, 630090, Novosibirsk, Russia
2 Sigma-Pro LLC, 630090, Novosibirsk, Russia
* Corresponding author: oleg.a.g.post@gmail.com
Published online: 24 October 2022
The present work reports self-illumination correction procedure and results of its experimental testing on a simple model. In the procedure reflectivity value is assessed directly from the set of model images captured at wind-off conditions with different reflecting surfaces covered or removed. The paper covers the theoretical part of the problem and describes exact implementation of a processing sequence, which included image mapping on a 3-D surface, building a mesh of surface elements, evaluation of radiative exchange between elements and calculation of the corrected brightness map.
© The Authors, published by EDP Sciences, 2022
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