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Detached-Eddy Simulation of a Wing Tip Vortex at Dynamic Stall Conditions

Kaveh Mohamed, Siva Nadarajah, Marius Paraschivoiu
2009 Journal of Aircraft  

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The behavior of the tip-vortex behind a square NACA0015 wing was numerically investigated. The problems studied include the stationary and the oscillating wing at static and dynamic stall conditions. Reynolds-averaged Navier-Stokes (RANS) and detached-eddy simulation (DES) schemes were implemented. Vortex structures predicted by RANS were mainly diffused while DES was able to produce qualitatively and quantitatively better results as compared to the experimental data. The break-up of the tip
more » ... tex, which started at the end of the upstroke and continued to the middle of the downstroke over an oscillation cycle, was observed in DES data.
doi:10.2514/1.40685 fatcat:t2kbofgpvvevdf2j4o2o4py7za
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Kaveh Mohamed, Siva Nadarajah, Marius Paraschivoiu. "Detached-Eddy Simulation of a Wing Tip Vortex at Dynamic Stall Conditions." Journal of Aircraft 46.4 (2009) 1302-1313