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Dramatic Effect of Vibrations on Dynamics of Rotating Hydrodynamic Systems

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Abstract

The results of theoretical and experimental investigation of the average dynamics of inhomogeneous systems in rotating cavity in the presence of oscillating force field are highlighted and analyzed. Average behavior of nonisothermal liquid as well as different multiphase systems (two liquids, liquid and gas, solid in liquid, granular matter in liquid) in quickly rotating horizontal cylinder subjected to vibrations of different direction is described. The specificity of dynamics of all the systems is determined by the Coriolis force which defines not only the average flows but the fluid oscillations also. The resonant excitation of inertial oscillations of liquid results in generation of intensive mean flows. The structure of vibrational streams is essentially determined by the type of inertial waves. So, excitation of an azimuthal wave generates azimuthal streams (outrunning or lagging, depending on frequency of the wave), three-dimensional standing waves (in the systems with deformable interface) generate regular spatial flows of high intensity. Under the resonant conditions the influence of vibrations appears to be very strong, the speed of mean streaming can achieve the values comparable with the speed of rotation of the container.

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Correspondence to Victor G. Kozlov.

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Kozlov, V.G., Ivanova, A.A. Dramatic Effect of Vibrations on Dynamics of Rotating Hydrodynamic Systems. Microgravity Sci. Technol. 21, 339 (2009). https://doi.org/10.1007/s12217-009-9165-1

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  • DOI: https://doi.org/10.1007/s12217-009-9165-1

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