Comparative Study of Turbulence Models for the Simulation of Three-Dimensional Transonic Flow around Airfoils

Abstract

The analysis of three-dimensional transonic flows was carried out on the well-known ONERA M6 airfoil. In this paper three turbulence models i.e. Spalart-Allmaras,  shear stress transport (SST) and  Realizable were compared for transonic flows and validated through comparison with the experimental measurements and CFD results obtained from NASA ONERA M6 study for the selected wing. The discretization of the computational domain was done using an unstructured mesh, taking care of refinement of the grid near the airfoil in order to enclose the boundary layer approach. The results indicated that Spalart-Allmaras turbulence model showed close agreement with the experimental and CFD results conducted by NASA, followed by  Realizable and  SST turbulence models.

Keywords: Turbulence models, transonic flow, ONERA M6

Cite this Article

Ankan Dash. Comparative Study of Turbulence Models for the Simulation of Three-Dimensional Transonic Flow Around Airfoils. Journal of Aerospace Engineering and Technology. 2016; 6(2): 47–59p.