Combining PIV, POD and vortex identification algorithms for the study of unsteady turbulent swirling flows

By L. Graftieaux, M. Michard, N. Grosjean. 2001

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Mind the gap: a new insight into the tip leakage vortex using stereo-PIV (2014, methodology): “In our case, we have implemented the algorithm of Graftieaux et al. (2001) to identify the vortex center and align the velocity maps before averaging, as illustrated in Fig.”
Reynolds number and aspect ratio effects on the leading-edge vortex for rotating insect wing planforms (2013, methodology): “The spanwise position of the point at which the vortex core identification algorithm (Graftieaux et al. 2001) recognizes two separate vortex cores is plotted against both the chord-based and span-based Reynolds numbers in figure 14.”
A turbulent jet in crossflow analysed with proper orthogonal decomposition (2007, methodology): “Bernero & Fieldler (2000), Graftieaux et al. (2001) and Pedersen & Meyer (2002). In the present study a combination of stereoscopic PIV and POD is employed to investigate the flow structures.”
The onset of dynamic stall revisited (2012, background): “The local mean velocity is taken into account in order for Γ to be Galilean invariant (cf. Graftieaux et al (2001)).”
Wind tunnel analysis of the slipstream and wake of a high-speed train (2014, methodology): “, 2001) and the condition that Γ2 1⁄4 2=π defines a vortex (Graftieaux et al., 2001) (plotted as the iso-surface in Fig.”