Modeling and Simulation on Double Delta Wing

The surface flow pattern on the upper surface of a double delta wing has been studied experimentally using oil flow visualization technique at subsonic condition. Surface flow visualizations have been performed on a sharp edged single beveled 76° - 40° double delta wing for 5°, 10° and 15° angle of attack ( AoA) at a free stream Reynolds number of 2×10 5 based on the root chord length of the wing model. Subsequently CFD (computational fluid dynamics) analysis is carried out using CFD code Ansys Fluent. The computational domain is meshed with un structured grids and Reynolds Averaged Navier Stokes (RANS) based steady state CFD simulations are carried out. The experimental and computational results are compared in the context of surface flow patter n.