圆柱装药在偏心定向起爆时水中近场压力特性

Pressurecharacteristicsinthenearfieldofunderwaterexplosionfor cylindricalchargedirecteddetonation

摘要: 对UHL-5炸药在侧向9点偏心定向起爆和几何中心点起爆时的水下爆炸近场峰值压力分布特性进行实验研究和数值模拟,得到2种起爆条件下不同距离与方位角测点处冲击波峰值压力和侧向9点起爆时的定向增益区域。结果表明,对于5kg圆柱形UHL-5装药,采用侧向9点偏心定向起爆方式时,在爆距 750mm、方位角90范围内的流场区域具有明显的峰值压力定向性。
- 爆炸力学 /
- 冲击波压力 /
- 定向起爆 /
- 水下爆炸 /
- 压力增益
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