Evolution of the ring-like vortices and spike structure in transitional boundary layers |
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| Authors: | CHEN Lin TANG DengBin LIU XiaoBing OLIVEIRA Maria & LIU ChaoQun |
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| Affiliation: | CHEN Lin1,TANG DengBin1 LIU XiaoBing2,OLIVEIRA Maria3 & LIU ChaoQun3 1 Department of Aerodynamics,Nanjing University of Aeronautics , Astronautics,Nanjing 210016,China,2 Wind Engineering Research Center of Hunan University,Changsha 410082,3 Department of Mathematics,University of Texas at Arlington,Arlington,Texas 76010,USA |
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| Abstract: | ![]()
At the late stage of transitional boundary layers, the nonlinear evolution of the ring-like vortices and spike structures and their effects on the surrounding flow were studied by means of direct numerical simulation with high order accuracy. A spatial transition of the flat-plate boundary layers in the compressible flow was conducted. Detailed numerical results with high resolution clearly represented the typical vortex structures, such as ring-like vortices and so on, and induced ejection and sweep events... |
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| Keywords: | boundary layer transition ring-like vortices spike structure direct numerical simulation |
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