Introduction (NAKA airfoil 0012)
In this section we study transonic flow over NAKA airfoil 0012. You will learn how to model external flows with high speed, which is important in many aerodynamic applications. Aerodynamics is one the most important subjects in the field of fluid mechanics. It focuses on the interaction of air and bodies. We can see the applications of aerodynamics in designing vehicles, different kinds wind turbines and compressors, wings, airplanes, and any flying object. Transient flow on the Naka airfoil 0012 is considered for the simulation, the experimental data is also available.
Naka airfoil 0012 simulation considerations
In this case, we simulate the transonic flow over NAKA 0012 airfoil. The angle of attack is 1.49. Then, we compare the lift and drag coefficients with published results. The results are for the Reynolds number 9*10 ^ 6 and the airfoil has a chord of one meter. Airfoil is moving at Mach 7.0. Therefore, we need to consider the effects of turbulence and compressibility. To reduce the computational cost, we consider a two-dimensional mesh around the airfoil. Consider the mesh in CFX and investigate it in terms of size and quality. Then, set the boundary conditions, Specify the materials which here we choose air. Finally, Specify solver settings and start the iterations.
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