- 會議論文
Parametric Resonance in a Cracked Gas-Bearing Spindle
並列摘要
Cracks markedly affect the dynamic characteristics of rotating machinery. Hence, in this study, high-speed spindles with gas bearings and the crack effect on the parametric resonance are considered. Most investigations on dynamic characteristics of the spindle system were confined to ball bearing type spindles. This work examines the dynamic instability in a cracked rotating spindle system with gas bearings. A round Euler-Bernoulli beam is used to approximate the spindle. The Hamilton principle is applied to derive the equation of motion for the spindle system. The effects of crack depth, rotation speed and provided air pressure on the dynamic instability of a rotating spindle system are studied.
延伸閱讀
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