2023
DOI: 10.3390/vibration6030041
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Investigation on the Rotordynamic Characteristics of Turbopumps with Angular Contact Ball Bearings

Yue Su,
Kaifu Xu,
Yongqiang Gao
et al.

Abstract: The support stiffness of the turbopump rotor system with angular contact ball bearing varies with the rotational speed, which leads to the inaccurate prediction of the dynamics of the turbopump rotor system. The model of the rotor bearing system was constructed based on the theoretical model of angular contact ball bearing stiffness, and the dynamics characteristics of the turbopump system were calculated. To verify the accuracy of the stiffness and the dynamics model, a test system of the turbopump rotor with… Show more

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