Interaction of wake vortices with the ground |
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| Institution: | 1. College of Energy and Electrical Engineering, Hohai University, Nanjing, China;2. Key Laboratory of Coastal Disaster and Defence (Ministry of Education), Hohai University, Nanjing, China;3. College of Harbor, Coastal and Offshore Engineering, Hohai University, Nanjing, China;4. College of Civil Engineering, Shandong Jiaotong University, Jinan, China |
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| Abstract: | The aim of this study is to describe wake vortices near the ground, including rebound. A calculation code solving the incompressible Navier–Stokes equations has been developed; it allows us to compute unsteady two-dimensional flows and steady three-dimensional flows having a preferential direction. The two-dimensional version of the code allows the capture of the rebound of the vortices near the wall as well as the creation of secondary vortices. In the three-dimensional case, the results are compared with experiments. The importance of the axial velocity is also analyzed. |
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