Two-dimensional Reynolds Averaged Navier-Stokes (RANS) equations are solved in order to simulate the interaction between a Ka´rma´n vortex street shed from a rod and a NACA-0012 airfoil in the wake of the rod. Two closure turbulence models are tested, a linear and a nonlinear k-ω model, for a chord based Reynolds number Rec ∼ 4.8105. These models provide consistent results in terms of both mean and fluctuating flow quantities. Insight into the instantaneous vorticity field shows that the vortex shedding pattern near the wall is quite well predicted, despite an over-estimated frequency. Downstream, computations always exhibit head-on interactions of the vortices with the airfoil leading edge whereas the experiments show a more variable configuration.
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ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
July 14–18, 2002
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-3615-0
PROCEEDINGS PAPER
Unsteady RANS Computations of the Flow Past an Airfoil in the Wake of a Rod Available to Purchase
Je´roˆme Boudet,
Je´roˆme Boudet
Ecole Centrale de Lyon, Ecully, France
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Damiano Casalino,
Damiano Casalino
Ecole Centrale de Lyon, Ecully, France
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Marc C. Jacob,
Marc C. Jacob
Ecole Centrale de Lyon, Ecully, France
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Pascal Ferrand
Pascal Ferrand
Ecole Centrale de Lyon, Ecully, France
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Je´roˆme Boudet
Ecole Centrale de Lyon, Ecully, France
Damiano Casalino
Ecole Centrale de Lyon, Ecully, France
Marc C. Jacob
Ecole Centrale de Lyon, Ecully, France
Pascal Ferrand
Ecole Centrale de Lyon, Ecully, France
Paper No:
FEDSM2002-31343, pp. 1137-1142; 6 pages
Published Online:
February 24, 2009
Citation
Boudet, J, Casalino, D, Jacob, MC, & Ferrand, P. "Unsteady RANS Computations of the Flow Past an Airfoil in the Wake of a Rod." Proceedings of the ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. Volume 1: Fora, Parts A and B. Montreal, Quebec, Canada. July 14–18, 2002. pp. 1137-1142. ASME. https://doi.org/10.1115/FEDSM2002-31343
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