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Volume 19 Issue 6
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2011  >  19(6): 406-410
YI Hui, ZHANG Yu-wen, YUAN Xu-long, WANG Rui. Influence of Cavitator Shape on Ventilated Supercavitation in Head Support Mode[J]. Journal of Unmanned Undersea Systems, 2011, 19(6): 406-410. doi: 10.11993/j.issn.1673-1948.2011.06.002
Citation: YI Hui, ZHANG Yu-wen, YUAN Xu-long, WANG Rui. Influence of Cavitator Shape on Ventilated Supercavitation in Head Support Mode[J]. Journal of Unmanned Undersea Systems, 2011, 19(6): 406-410. doi: 10.11993/j.issn.1673-1948.2011.06.002
shu

Influence of Cavitator Shape on Ventilated Supercavitation in Head Support Mode

doi: 10.11993/j.issn.1673-1948.2011.06.002
  • 1.

    College of Marine Engineering, Northwestern Polytechnical University, Xi′an 710072, China

  • 2.

    Northwest Institute of Mechanical and Electrical Engineering, Xianyang 712099, China

  • Received Date: 2011-05-18
  • Rev Recd Date: 2011-06-01
  • Publish Date: 2011-12-30
    Abstract
  • The research on the influence of cavitator shape on supercavitation is usually conducted in the condition where the front flow of cavitator is not disturbed. However, when the front flow of cavitator is influenced by using of head support mode in water tunnel test, the changing law of ventilated supercavitation with the shape of cavitator is not clear. In this study, a series of simulation models in accordance with the experimental ones are built by means of the computational fluid dynamics (CFD) simulation software FLUENT. These models depend on the diameter of cavitator, the diameter of the connecting rod, and the cone angle of the cavitator. Simulation indicates that under certain ventilation, the length and the length to diameter ratio of the ventilated supercavitation increase with the diameter of connecting rod increasing, decrease with the diameter of cavitator increasing, or increase with the cone angle of cavitator decreasing. Moreover, the influencing laws of the cavitator shape on ventilated supercavitation are also investigated. This study may facilitate the design of cavitator shape for the water tunnel test of supercavitation in head support mode.

     

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