Detection of coherent vorticity structures using time-scale resolved acoustic spectroscopy

DOI10.1016/S0167-2789(98)00321-2zbMath0947.76514arXivchao-dyn/9804010OpenAlexW3098153645MaRDI QIDQ1809195

Christophe Baudet, William J. Williams, Olivier J. J. Michel

Publication date: 16 October 2000

Published in: Physica D (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/chao-dyn/9804010

zbMATH Keywords

time-frequency distributionsturbulent cascadespatial correlation lengthscattered acoustic signalsvortec dynamic

Mathematics Subject Classification ID

Experimental work for problems pertaining to fluid mechanics (76-05) Isotropic turbulence; homogeneous turbulence (76F05)

Related Items (7)

Numerical simulation of acoustic scattering by a plane turbulent shear layer: spectral broadening study ⋮ Vortex dynamics investigation using an acoustic technique ⋮ Two-scale correlation and energy cascade in three-dimensional turbulent flows ⋮ Flow induced ultrasound scattering: Experimental studies ⋮ Investigating a stretched vortex with ultrafast two-dimensional ultrasonic speckle velocimetry ⋮ A Langevin equation for turbulent velocity increments ⋮ A multifractal formalism for vector-valued random fields based on wavelet analysis: application to turbulent velocity and vorticity 3D numerical data

Cites Work

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• Alias-free generalized discrete-time time-frequency distributions
• A small-scale turbulence model
• A cascade interpretation of Lundgren’s stretched spiral vortex model for turbulent fine structure
• Turbulence in fluids.

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