XU Da, HAN Baohong, HE Wanheng, YU Jinfeng, LI Weikai. Longitudinal vibration model and analytic study of submarine propulsion shafting[J]. Chinese Journal of Ship Research, 2018, 13(2): 129-134. DOI: 10.3969/j.issn.1673-3185.2018.02.018
Citation: XU Da, HAN Baohong, HE Wanheng, YU Jinfeng, LI Weikai. Longitudinal vibration model and analytic study of submarine propulsion shafting[J]. Chinese Journal of Ship Research, 2018, 13(2): 129-134. DOI: 10.3969/j.issn.1673-3185.2018.02.018

Longitudinal vibration model and analytic study of submarine propulsion shafting

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  • Received Date: May 16, 2017
  • Available Online: May 07, 2021
© 2018 The Authors. Published by Editorial Office of Chinese Journal of Ship Research. Creative Commons License
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
  •   Objectives  In order to solve the problem of the longitudinal vibration of submarine propulsion shafting,
      Methods  complex submarine propulsion shafting is simplified to a uniform stepped shaft continuum model, Wave Propagation Analysis (WPA) is used and the longitudinal vibration transfer relationship of each axis is deduced. Combined with the actual propulsion shafting boundary conditions, the steady state response of propeller shaft longitudinal vibration under propeller excitation is obtained.
      Results  The reliability of the model is verified by comparing the theoretical calculated value with the finite element software simulation results and experimental test data, proving that it can be used for the longitudinal vibration analysis of propulsion shafting. Dimensionless formulas for the first natural frequency of the longitudinal vibration of submarine propulsion shafting are deduced, providing convenience for further analysis.
      Conclusions  The results have definite value for engineering applications.
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