Vortex tubes in velocity fields of laboratory isotropic turbulence
classification
⚛️ physics.flu-dyn
keywords
tubesturbulencevelocityvortexburgersconsistentestimatedextract
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The streamwise and transverse velocities are measured simultaneously in grid turbulence at Reynolds numbers 100-300. We extract typical intermittency patterns, which are consistent with velocity profiles of Burgers and Lamb-Oseen vortices. The radii of these vortex tubes are estimated to be several of the Kolmogorov length.
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