Comparative Analysis of Turbulence Models: Evaluating Drag and Lift Coefficients of a NACA 4412 Hydrofoil
DOI:
https://doi.org/10.5281/zenodo.13971941Keywords:
Drag Coefficient, Lift Coefficient, CFD, XFOIL, Turbulence Models, ANSYS, NACA 4412Abstract
This study evaluates various turbulence models for simulating the aerodynamic behavior of a NACA 4412 hydrofoil in water flow using ANSYS Fluent®. Models such as Spalart-Allmaras (vorticity and strain-based), SST k-ω, k- ε standard, Transition k- kl-ω, and the empirical method XFOIL were assessed for accuracy, focusing on the drag coefficient (Cd) and lift coefficient (Cl). Simulations were conducted at zero-degree angle of attack, using six different mesh configurations with different refinement. Results showed variations in Cd and Cl across different models and mesh settings, with the empirical XFOIL model showing the lowest drag force but highest lift force, potentially due to its simplified assumptions.
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