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Volume 31 Issue 4
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Article Navigation >  Explosion And Shock Waves  > 2011  >  31(4): 428-432
JIA Hu, SHEN Zhao-wu. Underwatersoundcharacteristicsofmetal-claddetonatingcords[J]. Explosion And Shock Waves, 2011, 31(4): 428-432. doi: 10.11883/1001-1455(2011)04-0428-05
Citation: JIA Hu, SHEN Zhao-wu. Underwatersoundcharacteristicsofmetal-claddetonatingcords[J]. Explosion And Shock Waves, 2011, 31(4): 428-432. doi: 10.11883/1001-1455(2011)04-0428-05
shu

Underwatersoundcharacteristicsofmetal-claddetonatingcords

doi: 10.11883/1001-1455(2011)04-0428-05
  • 1.

    Departmentof ModernMechanic,UniversityofScienceandTechnologyofChina,

  • 2.

    Hefei230027,Anhui,China;

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  • Corresponding author: JIA Hu,
  • Publish Date: 2011-07-25
    Abstract
  • Underwaterexplosionpressuretestandgasbubblepulsationexperimentwereconductedto obtainthetransmissionandattenuationpropertiesaswellasthegasbubblepulsationpropertiesfor theunderwaterexplosionshockwavesofthemetal-claddetonatingcords.Andsomeunderwaterexplosionperformancesforthemetal- claddetonatingcordswereexploredsuchasthesoundpressure level,soundduration,reverberationeffect,andpowerspectrum.Resultsshowthatthemetal-clad detonatingcordsdisplayahighlevelofsoundpressureandsoundpower;thatthegasbubblepulsationsfollowingtheunderwaterexplosionofthemetal- claddetonatingcordsandtheensuinghugeamountofsmallbubbleswillpersistforalongtime, whichcanobservablyincreasethereverberation effectandsounddurationoftheunderwaterexplosion;andthattheunderwaterexplosionsoundofthe metal-claddetonatingcordscoversawiderangeoffrequencies,theenergyineachofwhichispowerful, andtheenergyinthelowfrequencyrangeisthehighest.
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