Wavelet Analysis of Vortex Tubes in Experimental Turbulence

Details Wavelet Analysis of Vortex Tubes in Experimental Turbulence Wavelet Analysis of Vortex Tubes in Experimental Turbulence

2001-11-13

arxiv.org/abs/physics/0111107v1

PRE,65,027302 [2002]

Physics

Fluid Dynamics

10 pages, 5 figures, to appear in Physical Review E (Brief Report)

Scientific paper

10.1103/PhysRevE.65.027302

This report proposes a new method to study vortex tubes in one-dimensional velocity data of experimental turbulence. Vortex tubes are detected as local maxima on the scale-space plot of wavelet transforms of the velocity data. Then it is possible to extract a typical velocity pattern. The result for data obtained in a wind tunnel is consistent with those of three-dimensional direct numerical simulations.

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