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Volume 15 Issue 4
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2007  >  15(4): 038-41
CAl Wei-jun, QIAN JIan-ping, Yin Shao-ping, YANG Biao. Cavitating Flow Characteristics of 2D Wedge-shaped Fin[J]. Journal of Unmanned Undersea Systems, 2007, 15(4): 038-41. doi: 10.11993/j.issn.1673-1948.2007.04.010
Citation: CAl Wei-jun, QIAN JIan-ping, Yin Shao-ping, YANG Biao. Cavitating Flow Characteristics of 2D Wedge-shaped Fin[J]. Journal of Unmanned Undersea Systems, 2007, 15(4): 038-41. doi: 10.11993/j.issn.1673-1948.2007.04.010
shu

Cavitating Flow Characteristics of 2D Wedge-shaped Fin

doi: 10.11993/j.issn.1673-1948.2007.04.010

  • The 705 Research Institute , China Shipbuilding Industry Corporation , Xi’ an 710075 , China

  • Received Date: 2007-05-10
  • Rev Recd Date: 2007-07-04
  • Publish Date: 2007-08-30
    Abstract
  • Flow characteristics of underwater vehicle are directly related to their control surfaces. In order to enhance the stability of a vehicle during its wetted and supercavitating stage , the cavity profiles and the lift/drag force acting on the fins are numerically analyzed under different flow regimes (e. g. different flow angles , with and without rear body , and cavitation number effects).The obtained results show that drag coefficient descends firstly and then ascends with the increased flow angle. The fin with rear body could provide higher efficiency at small cavitation number , while the fin with or without rear body provides similar performance as the cavitation number increases. These basic characteristics of different fins show the importance of reasonable shape to the stability of motion projectile.

     

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