Vortex tubes in velocity fields of laboratory isotropic turbulence
arXiv:physics/0010057 · doi:10.1016/S0375-9601(00)00649-6
Abstract
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.
9 pages, 5 figures, to appear in Physics Letters A
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- Vortex Tubes in Turbulence Velocity Fields at Reynolds Numbers 300-1300
- Wavelet Analysis of Vortex Tubes in Experimental Turbulence