文档名:Characterization of Underwater Explosive Loads of Blasting and Shaped Charges
Abstract:Blastingandshapedchargesarethemainformsofunderwaterweapons,andtheirnear-fieldunderwaterexplosions(UNDEX)canseverelydamagestructures.Therefore,itisofgreatimportancetostudyunderwaterexplosiveloadcharacteristicsofdifferentformsofcharges.Thefullphysicalprocessofatypicalunderwaterexplosionofasphere/columnblastingchargeandashapedchargewassimulatedusingtheEulerianmethod.Theloadingcharacteristicsoftheunderwaterblastshockwaveandbubble,aswellastheprojectile,werestudied.Theresultsshowthattheshockwaveloadsofspherical,cylindrical,andpolygonalchargespropagateoutwardinspherical,ellipsoidal-sphericalandellipsoidal-sphericalwavefronts,respectively.Whentheshockwavereaches16timesthedistance-to-diameterratio,itssurfaceisapproximatelyspherical.Inaddition,intheshapedchargeunderwaterexplosion,theshapedchargelinercoverabsorbs30°-90°oftheshockwaveenergyandsomeofthebubbleenergytoformahigh-speedshapedpenetrator.Spherical,ellipsoidal,andellipsoidalbubblesaregeneratedbyunderwaterexplosionsofspherical,cylindrical,andshapedcharges,respectively.Theobtainedresultsprovideareferenceforevaluatingthepowerofunderwaterweapons.
作者:ZhifanZhang HailongLi JingyuanZhang LongkanWang GuiyongZhang ZhiZong Author:ZhifanZhang HailongLi JingyuanZhang LongkanWang GuiyongZhang ZhiZong
作者单位:StateKeyLaboratoryofStructuralAnalysis,OptimizationandCAESoftwareforIndustrialEquipment,SchoolofNavalArchitectureEngineering,DalianUniversityofTechnology,Dalian116024,ChinaChinaShipResearchandDevelopmentAcademy,Beijing100192,ChinaStateKeyLaboratoryofStructuralAnalysis,OptimizationandCAESoftwareforIndustrialEquipment,SchoolofNavalArchitectureEngineering,DalianUniversityofTechnology,Dalian116024,China;CollaborativeInnovationCenterforAdvancedShipandDeep-SeaExploration,Shanghai200240,China
刊名:哈尔滨工程大学学报(英文版) ISTIC
Journal:JournalofMarineScienceandApplication
年,卷(期):2024, 23(2)
分类号:
Keywords:Blastingcharge Shapedcharge Loadcharacteristics Shockwave Bubble
机标分类号:SO189
在线出版日期:2024年5月27日
基金项目:CharacterizationofUnderwaterExplosiveLoadsofBlastingandShapedCharges[
期刊论文] 哈尔滨工程大学学报(英文版)--2024, 23(2)ZhifanZhang HailongLi JingyuanZhang LongkanWang GuiyongZhang ZhiZongBlastingandshapedchargesarethemainformsofunderwaterweapons,andtheirnear-fieldunderwaterexplosions(UNDEX)canseverelydamagestructures.Therefore,itisofgreatimportancetostudyunderwa...参考文献和引证文献
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Characterization of Underwater Explosive Loads of Blasting and Shaped Charges
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