Abstract
The experimental simulation of solitary vortex rings in a stratified fluid performed using high-frequency echo-sounding and optical visualization methods shows that on the range from turbulent to laminar regimes the vortex is a volume inhomogeneity with a sound scattering cross-section mv∼U5, where U is the translational velocity. The absolute value of mv is determined by the microscale component of the vortex microstructure, which is commensurable with the sounding sonic wave length.
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