| Issue |
E3S Web Conf.
Volume 459, 2023
XXXIX Siberian Thermophysical Seminar (STS-39)
|
|
|---|---|---|
| Article Number | 04006 | |
| Number of page(s) | 4 | |
| Section | Hydrodynamics, Heat and Mass Transfer and Wave Processes in Multiphase Media | |
| DOI | https://doi.org/10.1051/e3sconf/202345904006 | |
| Published online | 04 December 2023 | |
Cavitating hydrofoil with a structural surface
1 Kutateladze Institute of Thermophysics of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
2 Novosibirsk State University, 630090 Novosibirsk, Russia
* Corresponding author: kravtsova.alya@gmail.com
A study of cavitating smooth hydrofoil and foil with a structural surface was carried out. The structural surface morphology was made by laser ablation technology with a step of 0.01 mm and wavelength of 1064 nm. High-speed visualization of cavitating hydrofoils at various of flow bulk velocity was performed. In the paper is presented a comparison of cavitation flow regimes for the smooth and the roughness hydrofoils at equal cavitation numbers. The maximal lengths of the attached cavities for different flow regimes are compared. The structural surface of hydrofoil allows delaying the nucleation of cavitation and reducing the attached cavity size at higher velocities of the incoming flow was obtained.
© The Authors, published by EDP Sciences, 2023
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