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Open Access

ARTICLE

Numerical Study of Cavitating Flows around a Hydrofoil with Deep Analysis of Vorticity Effects

Shande Li1, Wen’an Zhong1, Shaoxing Yu1, Hao Wang2,*
1 Xichang Satellite Launch Center, Wenchang, 571300, China
2 College of Water Resources and Civil Engineering, China Agricultural University, Beijing, 100083, China
* Corresponding Author: Hao Wang. Email: email

Fluid Dynamics & Materials Processing https://doi.org/10.32604/fdmp.2024.056228

Received 17 July 2024; Accepted 24 September 2024; Published online 17 October 2024

Abstract

This paper aims to numerically explore the characteristics of unsteady cavitating flow around a NACA0015 hydrofoil, with a focus on vorticity attributes. The simulation utilizes a homogeneous mixture model coupled with a filter-based density correction turbulence model and a modified Zwart cavitation model. The study investigates the dynamic cavitation features of the thermal fluid around the hydrofoil at various incoming flow velocities. It systematically elucidates the evolution of cavitation and vortex dynamics corresponding to each velocity condition. The results indicate that with increasing incoming flow velocity, distinct cavitation processes take place in the flow field.

Keywords

Cavitating flow; hydrofoil; flow velocity; vorticity; Computational Fluid Dynamics (CFD)

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