University of Cagliari
On the Lagrangian and Eulerian Time Scales of Turbulence Within a Two-Dimensional Array of Obstacles
Monti P.;Querzoli G.
2022-01-01
Abstract
Fields of Lagrangian (TL) and Eulerian (TE) time scales of the turbulence within a regular array of two-dimensional obstacles of unit aspect ratio have been determined by means of a water-channel experiment reproducing the atmospheric boundary layer in neutral conditions. It has been found that there is a strong spatial inhomogeneity both of the scales and of their ratio, β= TL/ TE. The results can provide useful information on numerical modelling of tracer dispersion in urban areas.
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