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Article Dans Une Revue Physical Review E Année : 2001

Scattering of sound by a vorticity filament: An experimental and numerical investigation

Résumé

A vorticity filament is investigated experimentally using the transmission of an ultrasonic wave through the flow. The analysis of the wave-front distortion provides noninvasive measurements of the vortex circulation and size. The latter is estimated by analytical calculations of the scattering of a plane wave by a vorticity filament. The case of a cylindrical wave incident on a vortex leads to similar experimental results which are successfully compared to a parabolic equation simulation. Finally, a finite-difference code based on linear acoustics is presented, in order to investigate the structure of the scattered wave numerically.
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Dates et versions

hal-02454239 , version 1 (24-01-2020)

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Sébastien Manneville, Philippe Roux, Mickaël Tanter, Agnès Maurel, Mathias Fink, et al.. Scattering of sound by a vorticity filament: An experimental and numerical investigation. Physical Review E , 2001, 63 (3), ⟨10.1103/PhysRevE.63.036607⟩. ⟨hal-02454239⟩
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