Modeling the flow past an oscillating airfoil by the method of viscous vortex domains |
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| Authors: | S V Guvernyuk G Ya Dynnikova |
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| Institution: | (1) McGill University, Montreal, QC, Canada, H3A 2K6; |
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| Abstract: | The Lagrangian vortex method for solving the Navier-Stokes equations is applied for numerically modeling the unsteady flow past a wing airfoil executing angular oscillations in a viscous incompressible flow. Formulas relating the unsteady forces on the airfoil and the vorticity field are derived. The calculated results are compared with the experimental data for the NACA-0012 airfoil executing harmonic oscillations in an air flow at the Reynolds number Re = 4.4 × 104. |
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| Keywords: | viscous flows unsteady flows oscillating airfoil Lagrangian vortex method |
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