| Citation: | JIN F Y，WANG Y F，WANG H，et al. Simulation analysis and experimental study of viscoelastic damping ring of flywheel housing[J]. Journal of Beijing University of Aeronautics and Astronautics，2025，51（1）：272-280 （in Chinese） doi: 10.13700/j.bh.1001-5965.2022.0963
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As the requirements for performance indicators of spacecraft platforms increase, the influence of micro-vibrations generated by flywheels on spacecraft platforms is becoming increasingly prominent and needs to be suppressed. Based on the modal characteristics of the upper housing of the flywheel, a design method of circular viscoelastic damping ring structure was proposed, and numerical simulations and experiments were carried out to verify the damping effects of the viscoelastic damping ring in terms of the position, thickness, and width and verify the validity of circular viscoelastic damping ring. The results show that the circular viscoelastic damping ring structure has a good damping effect on broadband vibration, and the position of the viscoelastic damping ring plays a decisive role in the change of the inherent frequency of the flywheel system and the damping effect. The damping effect is better when a circular viscoelastic damping ring is applied at 60% of the outer diameter of the flywheel. When the width is designed to be within 6% of the outer diameter of the flywheel, and the thickness is designed to be within 4 times the thickness of the housing, the damping effect increases with the increase in width and thickness.
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