A three-dimensional experimental investigation of the structure of the spanwise vortex generated by a shallow vortex dipole |
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| Authors: | Julie Albagnac Frederic Y Moulin Olivier Eiff Laurent Lacaze Pierre Brancher |
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| Institution: | 1. INPT, UPS, Institut de Mécanique des Fluides de Toulouse, Université de Toulouse, Allée Camille Soula, 31400, Toulouse, France
2. CNRS, Institut de Mécanique des Fluides de Toulouse, 31400, Toulouse, France
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| Abstract: | The three-dimensional dynamics of shallow vortex dipoles is investigated by means of an innovative three-dimensional, three-component (3D-3C) scanning PIV technique. In particular, the three-dimensional structure of a frontal spanwise vortex is characterized. The technique allows the computation of the three-dimensional pressure field and the planar (x, y) distribution of the wall shear stress, which are not available using standard 2D PIV measurements. The influence of such a complex vortex structure on mass transport is discussed in the context of the available pressure and wall shear stress fields. |
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