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Volume 28 Issue 2
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2020  >  28(2): 126-130
ZHANG Ke, SUN Shi-ming, YAN Kai, WANG Zhi, LI Peng. Numerical Simulation and Experiment on Fluid Field Characteristic of Planing for Supercavity Vehicle Tail[J]. Journal of Unmanned Undersea Systems, 2020, 28(2): 126-130. doi: 10.11993/j.issn.2096-3920.2020.02.002
Citation: ZHANG Ke, SUN Shi-ming, YAN Kai, WANG Zhi, LI Peng. Numerical Simulation and Experiment on Fluid Field Characteristic of Planing for Supercavity Vehicle Tail[J]. Journal of Unmanned Undersea Systems, 2020, 28(2): 126-130. doi: 10.11993/j.issn.2096-3920.2020.02.002
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Numerical Simulation and Experiment on Fluid Field Characteristic of Planing for Supercavity Vehicle Tail

doi: 10.11993/j.issn.2096-3920.2020.02.002

  • National Key Laboratory of Science and Technology on Hydrodynamics, China Ship Scientific Research Center, Wuxi 214082, China

  • Received Date: 2019-12-05
  • Rev Recd Date: 2020-01-06
  • Publish Date: 2020-04-30
    Abstract
  • The planing lift acting on the tail of a supercavitating vehicle has an important influence on its underwater moving posture. In this paper, the volume of fluid (VOF) multiphase flow model was employed to numerically simulate the supercavitating vehicle’s tail planing in cavity at different attack angles. The numerical simulation was verified by comparison with the experimental data. Then, the deformation of the cavity and the variation of the pressure distribution were analyzed. Numerical simulation results showed that the cavity curled towards the vehicle surface near the wetted area with pressure gradient, which produced an upward splashing flow. The decay rate of the pressure along the cavity outline is larger than that along the bottom edge of the vehicle.

     

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