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Chinese Journal of High Pressure Physics  > 2012  >  26(5): 501-507.
HUANG Chao, WANG Bin, LIU Cang-Li, ZHANG A-Man, YAO Xiong-Liang. On the Mechanism of Non-spherical Underwater Explosion Bubble Collapse[J]. Chinese Journal of High Pressure Physics, 2012, 26(5): 501-507. doi: 10.11858/gywlxb.2012.05.004
Citation: HUANG Chao, WANG Bin, LIU Cang-Li, ZHANG A-Man, YAO Xiong-Liang. On the Mechanism of Non-spherical Underwater Explosion Bubble Collapse[J]. Chinese Journal of High Pressure Physics, 2012, 26(5): 501-507. doi: 10.11858/gywlxb.2012.05.004
shu

On the Mechanism of Non-spherical Underwater Explosion Bubble Collapse

doi: 10.11858/gywlxb.2012.05.004
  • 1.

    National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China;

  • 2.

    School of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China

  • Received Date: 01 Apr 2011
  • Rev Recd Date: 17 Jun 2011
  • Publish Date: 15 Oct 2012
    Abstract
  • Experiment and simulation of cylindrical charge underwater explosion bubble motion has been conducted to investigate the collapse mechanism of non-spherical bubble and the behavior of its jet. The experimental results were compared against the numerical results for different configurations of charge. Results show that jet generated by a non-spherical bubble behaves different from that of a spherical bubble, which could be attributed to the variance of radius of curvature on the bubble interface. The collapse time for an initial bubble surface with bigger radius of curvature is earlier than that with smaller radius of curvature. As a result, the water jet may exhibit an asymmetric form.

     

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