Numerical Investigation of Turbulence Modeling in Cyclone Separators Using CFD

This study presents a numerical analysis of turbulence models applied to cyclone separators using Computational Fluid Dynamics (CFD). The RNG k-ε and SST k-ω
models were evaluated, with and without curvature correction, under steady-state conditions. The simulations were validated against experimental data from the literature through tangential and axial velocity profiles, along with a quantitative error analysis. Results show that curvature correction improves the prediction of swirling flow structures, leading to better agreement with experimental data. Among the tested models, the RNG k-ε model with curvature correction provided the closest match.