| Issue |
E3S Web Conf.
Volume 459, 2023
XXXIX Siberian Thermophysical Seminar (STS-39)
|
|
|---|---|---|
| Article Number | 08001 | |
| Number of page(s) | 5 | |
| Section | Thermophysics of Micro- and Nanosystems | |
| DOI | https://doi.org/10.1051/e3sconf/202345908001 | |
| Published online | 04 December 2023 | |
Determination of the hysteresis of the contact angle of wetting of boiling surfaces
1 Kutateladze Institute of Thermaphysics, Russian Academy of Sciences, SB RAS, Novosibirsk, Lavrentiev Ave., 1, Russia
2 Nikolaev Institute of Inorganic Chemistry, Russian Academy of Sciences, SB RAS, Novosibirsk, Lavrentiev Ave., 3, Russia
* Corresponding author: bykovskaya@itp.nsc.ru
For a deeper understanding of the fluid dynamics and heat transfer in the transition layer, when studying the dynamics of a two-phase flow during boiling and a heat transfer crisis, i.e. in the region of the dynamic gas-liquid-solid contact line and the adjacent meniscus, characterized by an apparent contact angle, it is necessary to analyse the wettability, contact angle hysteresis, and surface morphology. In this paper, samples of a graphene-coated copper substrate, a surface with nanotubes, and an uncoated copper surface for comparison are considered.
© The Authors, published by EDP Sciences, 2023
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