A three-dimensional experimental investigation of the structure of the spanwise vortex generated by a shallow vortex dipole

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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Julie Albagnac, Frederic Y. Moulin, Olivier Eiff, Laurent Lacaze, Pierre Brancher. A three-dimensional experimental investigation of the structure of the spanwise vortex generated by a shallow vortex dipole. Environmental Fluid Mechanics, Springer Verlag, 2014, 14 (5), pp.957-970. ⟨10.1007/s10652-013-9291-6⟩. ⟨hal-01728776⟩

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