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Self-Excited Oscillations of a Low-Viscous Liquid and Their Influence on a Rotor With a Small Number of Radial Baffles

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Abstract

A theory (mathematical model) of the precession of a flexible rotor with a cavity equally divided by radial baffles and partially filled with a low-viscosity liquid is proposed. Fluid vibrations self-excited in a rotating and precessing rotor with a small number of baffles (from 1 to 3) lead to specific system frequencies and dynamic instability in a range not associated with the usual synchronous critical speed.

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Authors and Affiliations

  1. Mechanical Engineering Research Institute of the Russian Academy of Sciences, (IMASH RAN), 101990, Moscow, Russia

    A. N. Nikiforov

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  1. A. N. Nikiforov
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Correspondence to A. N. Nikiforov.

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Translated by A. Borimova

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Nikiforov, A.N. Self-Excited Oscillations of a Low-Viscous Liquid and Their Influence on a Rotor With a Small Number of Radial Baffles. Mech. Solids 57, 1311–1322 (2022). https://doi.org/10.3103/S0025654422060097

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  • DOI: https://doi.org/10.3103/S0025654422060097

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