Abstract
This article discusses the structure of the far-wake of a towed sphere in a saline stratification. We compare very low Froude number experiments to existing results at higher Froude numbers and investigate the vertical structure of the far-wake in terms of their vorticity and density fields. We show that the vertical propagation of vorticity is viscously dominated and propose a simple three-dimensional model for the quasi-equilibrium of the structure in terms of the density field.
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Bonnier, M., Bonneton, P. & Eiff, O. Far-Wake of a Sphere in a Stably Stratified Fluid: Characterization of the Vortex Structures. Flow, Turbulence and Combustion 59, 269–281 (1997). https://doi.org/10.1023/A:1001195724445
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DOI: https://doi.org/10.1023/A:1001195724445