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Nonlinear isochronous oscillations of a fluid in a paraboloid: theory and experiment

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Abstract

Within the framework of the shallow-water model, the nonlinear axisymmetric oscillations of a fluid in a paraboloid of revolution and in an unbounded parabolic channel are investigated. It is established that in the paraboloid of revolution the oscillation period does not depend on the amplitude, that is, the oscillations are isochronous. Experimental investigations of free fluid oscillations in a paraboloid confirm this theoretical result.

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Authors
  1. M. V. Kalashnik
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  2. V. O. Kakhiani
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  3. D. G. Lominadze
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  4. K. I. Patarashvili
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  5. P. N. Svirkunov
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  6. S. D. Tsakadze
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Additional information

Translated from Izvestiya Rossiiskoi Academii Nauk, Mekhanika Zhidkosti i Gaza, No. 5, 2004, pp. 131–142. Original Russian Text Copyright © 2004 by Kalashnik, Kakhiani, Lominadze, Patarashvili, Svirkunov, and Tsakadze.

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Kalashnik, M.V., Kakhiani, V.O., Lominadze, D.G. et al. Nonlinear isochronous oscillations of a fluid in a paraboloid: theory and experiment. Fluid Dyn 39, 790–800 (2004). https://doi.org/10.1007/s10697-005-0013-8

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  • DOI: https://doi.org/10.1007/s10697-005-0013-8

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