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Volume 22 Issue 4
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2014  >  22(4): 311-315
MA Qing-shan, CHEN Ya-lin, HAO Bao-an, LIU Kun-lun, HE Chen, YAN Bing. Study on Bubble Characteristics of Ship Far Wake Field[J]. Journal of Unmanned Undersea Systems, 2014, 22(4): 311-315. doi: 10.11993/j.issn.1673-1948.2014.04.015
Citation: MA Qing-shan, CHEN Ya-lin, HAO Bao-an, LIU Kun-lun, HE Chen, YAN Bing. Study on Bubble Characteristics of Ship Far Wake Field[J]. Journal of Unmanned Undersea Systems, 2014, 22(4): 311-315. doi: 10.11993/j.issn.1673-1948.2014.04.015
shu

Study on Bubble Characteristics of Ship Far Wake Field

doi: 10.11993/j.issn.1673-1948.2014.04.015
  • 1.

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

  • 2.

    Science and Technology on Underwater Information and Control Laboratory, Xi′an 710075, China

  • Received Date: 2014-04-24
  • Rev Recd Date: 2014-06-17
  • Publish Date: 2014-08-20
    Abstract
  • To understand deeply the target characteristics of ship far wake field and widen the design thought of wake homing torpedo, based on the geometric characteristics of bubble wake, we derived the bubble ascending motion curves of different radius within 30 minutes and the function relationship between initial condition and residence time of a bubble through exploring the differential equations by the Runge-Kutta method. The attenuation process of bubble number density was fitted based on the discrete expression of total bubble number. The bubble size distribution was simulated and the density function of bubble size probability was calculated. At last, the conclusion was proposed: the reason to inhibit the range of detection for wake homing torpedo with current technology was the decrease of bubble number density due to the quickly break of the huge bubbles instead of the die out of tiny bubbles.

     

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