Jijun PU, Ying XIONG. Numerical study of hydrofoil tip vortex fluid field[J]. Chinese Journal of Ship Research, 2017, 12(1): 8-13, 26. doi: 10.3969/j.issn.1673-3185.2017.01.002
Citation: Jijun PU, Ying XIONG. Numerical study of hydrofoil tip vortex fluid field[J]. Chinese Journal of Ship Research, 2017, 12(1): 8-13, 26. doi: 10.3969/j.issn.1673-3185.2017.01.002

Numerical study of hydrofoil tip vortex fluid field

doi: 10.3969/j.issn.1673-3185.2017.01.002
  • Received Date: 2016-06-03
    Available Online: 2016-12-28
  • Publish Date: 2017-01-07
    © 2017 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.
  • Three different models, k-ω, DES and LES, are conducted in the analysis of the tip vortex flow field. In order to reduce the discrete error induced by the grid, mesh refinement is applied to the area of the tip vortex core in numerical simulations. The axis and tangential velocities of the tip vortex flow field with no cavitation are calculated, and the calculated velocities agree well with the experimental results. On the basis of this process, the influence of vortex roll-up on the tip vortex pressure filed is discussed, and bubble static equilibrium is proposed by which the tip vortex cavitation inception number is computed.
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