Accession Number : AD0479430


Title :   LIQUID FILLED GYROSCOPE: THE EFFECT OF REYNOLDS NUMBER ON RESONANCE


Corporate Author : ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD


Personal Author(s) : Karpov, Boris G


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/479430.pdf


Report Date : Oct 1965


Pagination or Media Count : 37


Abstract : A gyroscope with frictionless bearings was designed and built. Resonance experiments with oils of various viscosities substantiated the results of the authors previous work, i.e., to account for the observed behavior of the gyroscope at resonance, Stewartson's inviscid theory requires a viscous correction. The experiments also showed that the rate of growth of the nutational amplitude at resonance is strongly influenced by the nature of the boundary layer. At larger amplitudes, non-linear behavior of the oscillating fluid appears to dominate responses of the gyroscope.


Descriptors :   *GYROSCOPES , DYNAMICS , DAMPING , SHELLS(STRUCTURAL FORMS) , RESONANT FREQUENCY , NONLINEAR SYSTEMS , RESONANCE , LAMINAR BOUNDARY LAYER , BEARINGS , OILS , OSCILLATION , VISCOSITY , REYNOLDS NUMBER


Subject Categories : Fluid Mechanics


Distribution Statement : APPROVED FOR PUBLIC RELEASE