Fine structure of a conical beam of periodical internal waves in a stratified fluid |
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Authors: | A V Kistovich Yu D Chashechkin |
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Institution: | 1. Ishlinskii Institute for Problems of Mechanics, Russian Academy of Sciences, pr. Vernadskogo 101, k. 1, Moscow, 119526, Russia
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Abstract: | Stratified fluid flows caused by torsional or linear harmonic oscillations of a ring along the surface of an infinite vertical cylinder have been calculated by methods of the perturbation theory. The complete solutions of the linearized system of equations with sticking boundary conditions for velocity and impermeable boundary conditions for substance have been obtained taking into account viscosity and diffusion. Disturbances forming a conical beam of three-dimensional internal waves and families of small-scale components are identified. Formulas for calculating waves in media with different Schmidt numbers are described. |
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