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Computational Study on Turbulence for a Flow through a Ring

Author : Bhargav.A, Krupakar Pasala, Anil Kumar.V and Srinivasa Rao.P

Pages : 485-487, DOI:http://Dx.Doi.Org/10.14741/Ijcet/Spl.2.2014.90
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Simulation of turbulence flow over a ring is connected using k-epsilon and k-omega methods, In order to investigate the flow characteristics over the ring. In case of sphere at Re= 3000, the shear layer is elongated in the direction of flow and forms a cylindrical vortex sheet and its instability begins to appear at x≈2d. But in case of ring at Re= 105, the instability of shear layer occurs right behind the ring and near wake, the flow becomes turbulent.

Keywords: Turbulence, Reynolds number, Wakes, Vortex sheet

Article published in International Conference on Advances in Mechanical Sciences 2014, Special Issue-2 (Feb 2014)






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