Turbulence under spilling breakers using discrete wavelets

Turbulence under spilling breakers using discrete wavelets Measurements of the kinetic energy of turbulence under spilling waves have been analysed using orthogonal wavelets. Data have been collected using 2-D laser Doppler velocimetry for pre-breaking regular waves, generated in a wave tank. The contribution of different scale vortices is computed, and also phase resolved. It is found that micro-vortices (2 mm <l<0.10 m for the tested case) and mid-size vortices (0.10 m<l<4.0 m for the tested case) are generally dominant, carrying more than 70% of the total turbulence energy under the wave crest. The phase resolved energy spectra are computed, which allows the computation of the transverse and of the longitudinal correlations. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Turbulence under spilling breakers using discrete wavelets

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Copyright © 2003 by Springer-Verlag
Engineering; Engineering Fluid Dynamics; Fluids; Engineering Thermodynamics, Heat and Mass Transfer
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