The dynamic behavior of a rolling element auxiliary bearing following rotor impact
Cole, M. O. T., Keogh, P. S. and Burrows, C. R., 2002. The dynamic behavior of a rolling element auxiliary bearing following rotor impact. Journal of Tribology-Transactions of the Asme, 124 (2), pp. 406-413.
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The dynamic behavior of a rolling element bearing under auxiliary operation in magnetic bearing systems is analyzed. When contact with the rotor occurs, the inner race experiences high impact forces and rapid angular acceleration. A finite element model is used to account for flexibility of the inner race in series with non-linear ball stiffnesses arising from the ball-race contact zones. The dynamic conditions during rotor/inner race contact, including ball/race creep, are deduced from a non-linear matrix equation. The influences of bearing parameters are considered together with implications for energy dissipation in the bearing.
|Creators||Cole, M. O. T., Keogh, P. S. and Burrows, C. R.|
|Departments||Faculty of Engineering & Design > Mechanical Engineering|
|Additional Information||ID number: ISI:000175335600023|
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