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Dynamic response of a rub-impact rotor system under axial thrust

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Abstract

A model of a rigid rotor system under axial thrust with rotor-to-stator is developed based on the classic impact theory and is analyzed by the Lagrangian dynamics. The rubbing condition is modeled using the elastic impact-contact idealization, which consists of normal and tangential forces at the rotor-to-stator contact point. Mass eccentricity and rotating speed are used as control parameters to simulate the response of rotor system. The motions of periodic, quasi-periodic and chaotic are found in the rotor system response. Mass eccentricity plays an important role in creating chaotic phenomena.

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Authors and Affiliations

  1. College of Hydroelectric and Digitalization Engineering, Huazhong University of Science andTechnology, 430074, Wuhan, Hubei, China

    Xueli An, Jianzhong Zhou, Xiuqiao Xiang, Chaoshun Li & Zhimeng Luo

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  1. Xueli An
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  2. Jianzhong Zhou
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  3. Xiuqiao Xiang
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  4. Chaoshun Li
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  5. Zhimeng Luo
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Correspondence to Jianzhong Zhou.

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An, X., Zhou, J., Xiang, X. et al. Dynamic response of a rub-impact rotor system under axial thrust. Arch Appl Mech 79, 1009–1018 (2009). https://doi.org/10.1007/s00419-008-0274-x

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  • DOI: https://doi.org/10.1007/s00419-008-0274-x

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