Pressurecharacteristicsinthenearfieldofunderwaterexplosionfor cylindricalchargedirecteddetonation

AN Feng-jiang; WU Cheng; WANG Ning-fei

doi:10.11883/1001-1455(2011)05-0463-06

Volume 31 Issue 5

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AN Feng-jiang, WU Cheng, WANG Ning-fei. Pressurecharacteristicsinthenearfieldofunderwaterexplosionfor cylindricalchargedirecteddetonation[J]. Explosion And Shock Waves, 2011, 31(5): 463-468. doi: 10.11883/1001-1455(2011)05-0463-06

Citation:

AN Feng-jiang, WU Cheng, WANG Ning-fei. Pressurecharacteristicsinthenearfieldofunderwaterexplosionfor cylindricalchargedirecteddetonation[J]. Explosion And Shock Waves, 2011, 31(5): 463-468. doi: 10.11883/1001-1455(2011)05-0463-06

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Pressurecharacteristicsinthenearfieldofunderwaterexplosionfor cylindricalchargedirecteddetonation

doi: 10.11883/1001-1455(2011)05-0463-06

1.
SchoolofAerospaceEngineering,BeijingInstituteofTechnology,
2.
Beijing 100081,China;

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Corresponding author: WU Cheng
Publish Date: 2011-09-25

Abstract

Abstract

Aseriesofexperimentandsimulationwerecarriedouttoexplorethepeakpressuredistributioninthenearfieldofthecylindricalchargeunderwat rexplosioninthetwocasesofnine-pointoffcenterdetonationandcentraldetonation. Theshockwavepeakpressuresintheabovetwocaseswere obtainedatthetestedpointswiththedistancesandangles.Andthedirectedpeakpressuregainfield wasacquiredinthecaseofnine-pointoff-centerdetonation.Theresultsshowthatintherangeof750 mmandtheangleof0~90ofunderwaterexplosionfieldforthefive-kilogram UHL-5charge,the shockwavepeakpressurebynine-pointoff-centerdetonationishigherthanbycentraldetonation.
- mechanicsofexplosion,
- shockwavepeakpressure,
- directeddetonation,
- underwaterexplosion,
- peakpressuregain