Laminar Flows Past Elliptic Cylinders at Various Angles of Attack
Research and development rept.
DAVID W TAYLOR NAVAL SHIP RESEARCH AND DEVELOPMENT CENTER BETHESDA MD COMPUTATION MATHEMATICS/LOGISTICS DEPT
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Numerical solutions for laminar incompressible fluid flows past thin elliptic cylinders at various angles of attack are obtained using a stream function-vorticity formulation. The flow is considered to be two-dimensional and time-dependent. Potential flow is selected as the initial condition. Almost steady-state solutions have been computed for the cases alpha 0 deg, Re 200 alpha 45 deg, Re 15 and alpha 90 deg, Re10 where alpha and Re are the angle of attack and the Reynolds number, respectively. Vortex shedding has been studied for alpha 45 deg, Re 30 and 200.
- Fluid Mechanics