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Simulation Of Non-Linear Characteristics Influence Dynamic On Vertical Rigid Gyro Rotor Resonant Oscillations

Author

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  • Zharilkassin Iskakov

    (Almaty University of Power Energy and Communications, Institute of Mechanics and Machine Science)

Abstract

The influence of viscous linear and cubic nonlinear damping of an elastic support on the resonance oscillations of a vertical rigid gyroscopic unbalanced rotor is investigated. Simulation results show that linear and cubic non-linear damping can significantly dampen the main harmonic resonant peak. In non-resonant areas where the speed is higher than the critical speed, the cubic non-linear damping can slightly dampen rotor vibration amplitude in contrast to linear damping. If linear or cubic non-linear damping increase in resonant area significantly kills capacity for absolute motion, then they have little or no influence on the capacity for absolute motion in non-resonant areas. The simulation results can be successfully used to create passive vibration isolators used in rotor machines vibration damping, including gyroscopic ones.

Suggested Citation

  • Zharilkassin Iskakov, 2018. "Simulation Of Non-Linear Characteristics Influence Dynamic On Vertical Rigid Gyro Rotor Resonant Oscillations," CBU International Conference Proceedings, ISE Research Institute, vol. 6(0), pages 1094-1100, September.
    • Handle: RePEc:aad:iseicj:v:6:y:2018:i:0:p:1094-1100
    DOI: 10.12955/cbup.v6.1319
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