Theoretical study reveals vibration behavior of a rotor during deceleration through critical speed, suggesting implications for design.
A theoretical study of the vibration during deceleration through a critical speed with consideration of the moment of inertia has been made in this study. Vibration characteristics of a rotor consisting of a disc and shaft with the moment of inertia during deceleration through the first critical speed is calculated numerically taking into account the moment of inertia, so that the following conclusion is obtained:The rotor can pass the critical speed during deceleration in no damping system in case of finite moment of inertia.
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Yasumi et al. (2019) studied this question.
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