Volume 32 Issue 6
Dec 2018
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MENG Yi, ZHANG Duo, ZHENG Jian. Experimental and Numerical Simulation Study on the Influence of Distance Parameter on Bubble Motion in Shallow Water[J]. Chinese Journal of High Pressure Physics, 2018, 32(6): 065103. doi: 10.11858/gywlxb.20180583
Citation: MENG Yi, ZHANG Duo, ZHENG Jian. Experimental and Numerical Simulation Study on the Influence of Distance Parameter on Bubble Motion in Shallow Water[J]. Chinese Journal of High Pressure Physics, 2018, 32(6): 065103. doi: 10.11858/gywlxb.20180583

Experimental and Numerical Simulation Study on the Influence of Distance Parameter on Bubble Motion in Shallow Water

doi: 10.11858/gywlxb.20180583
  • Received Date: 19 Jun 2018
  • Rev Recd Date: 05 Jul 2018
  • When the bubble develops in shallow water between the free surface and the bottom, extremely complex phenomena of the free surface will be caused.The bubble motion characteristics are different from that in the free field.To explore its patterns, spark induced bubble experiments are carried out and high-speed video-photography is employed to study the interaction between bubbles and combined boundaries.The influence of distance parameter on dome type and bubble motion has been summarized.The influence of distance parameter on jet loading is analyzed by numerical simulation using OpenFOAM.The results show that the free surface distance parameter has a greater influence on the type of dome than that of the wall distance parameter.The jet velocity decreases with the increase of the free surface distance.The jet velocity first decreases and then increases with the increase of the wall surface distance.The pressure on the wall decreases with the distance increasing while the jet impact area increases with the distance increasing.

     

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