A computational/experimental study of the flow around a body of revolution at angle of attack
Abstract
The incompressible Navier-Stokes equations are numerically solved for steady flow around an ogive-cylinder (fineness ration 4.5) at angle of attack. The three-dimensional vortical flow is investigated with emphasis on the tip and the near wake region. The implicit, finite-difference computation is performed on the CRAY X-MP computer using the method of pseudo-compressibility. Comparisons of computational results with results of a companion towing tank experiment are presented for two symmetric leeside flow cases of moderate angles of attack. The topology of the flow is discussed and conclusions are drawn concerning the growth and stability of the primary vortices.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- September 1986
- Bibcode:
- 1986STIN...9011254Z
- Keywords:
-
- Angle Of Attack;
- Bodies Of Revolution;
- Cylindrical Bodies;
- Flow Characteristics;
- Three Dimensional Flow;
- Vortices;
- Aerodynamic Characteristics;
- Flow Equations;
- Navier-Stokes Equation;
- Fluid Mechanics and Heat Transfer