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Volume 18 Issue 4
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2010  >  18(4): 241-245
WANG Zhi-jie, MA Xia, LIU Yan-bo. Factors Influencing Water Entry Parameters of Torpedo-Parachute System[J]. Journal of Unmanned Undersea Systems, 2010, 18(4): 241-245. doi: 10.11993/j.issn.1673-1948.2010.04.001
Citation: WANG Zhi-jie, MA Xia, LIU Yan-bo. Factors Influencing Water Entry Parameters of Torpedo-Parachute System[J]. Journal of Unmanned Undersea Systems, 2010, 18(4): 241-245. doi: 10.11993/j.issn.1673-1948.2010.04.001
shu

Factors Influencing Water Entry Parameters of Torpedo-Parachute System

doi: 10.11993/j.issn.1673-1948.2010.04.001
  • 1.

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

  • 2.

    Xi’an Research Institute of Precision Machinery, Xi’an 710075, China

  • Received Date: 2009-10-28
  • Rev Recd Date: 2010-03-04
  • Publish Date: 2010-08-30
    Abstract
  • For the water entry parameters analysis of torpedo-parachute system, the existing studies only considered torpedo’s dropping speed, attitude angle, and wind speed, but neglected other factors. This paper establishes a three-dimensional space trajectory model of torpedo-parachute system, and simulates torpedo trajectory in air. According to the simulation results, the influences of the comprehensive factors on water entry parameter and trajectory stability of the torpedo-pa rachute system are analyzed, and some valuable conclusions are drawn. Those factors include dropping altitude, speed and attitude angle of a torpedo, design parameters o f a parachute, and wind speed. This research may provide a technical support to air drop test and firing form scheduling of torpedoes.

     

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