常温下JBO-9021高能钝感炸药直径效应实验

汪斌; 谭多望; 赵继波; 文尚刚

doi:10.11883/1001-1455(2012)05-0490-05

常温下JBO-9021高能钝感炸药直径效应实验

doi: 10.11883/1001-1455(2012)05-0490-05

1.
中国工程物理研究院流体物理研究所冲击波物理与爆轰物理重点实验室,四川绵阳621900

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出版历程
- 刊出日期: 2012-09-25

DiametereffectofJBO-9021ratesticksatroomtemperature

1.
NationalKeyLaboratoryofShock WaveandDetonationPhysics,InstituteofFluidPhysics,

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Corresponding author: WANG Bin

摘要

摘要: 通过光电联合测试方法,测量了常温下直径为10、15和30mm 高能钝感炸药柱JBO-9021炸药的定态爆速和波形,根据拟合的爆轰波阵面形状,分析了波阵面法向速度Dn与当地曲率之间的关系。研究结果表明,JBO-9021炸药的定态爆速随药柱直径的增大而增大,JBO-9021(w(HMX)=15%)相对JB-9014炸药(w(TATB)=95%),爆轰波形更平坦,爆轰波非理想传播行为得到一定改进。
- 爆炸力学 /
- 直径效应 /
- 高速摄影 /
- 钝感炸药 /
- 定态爆速 /
- 定态波形
Abstract: Byusingthephotoelectric method,thesteady-statedetonationvelocitiesandthecorrespondingwaveshapesweremeasuredfortheJBO- 9021ratestickswiththediametersof10,15and 30mm,respectively,andintheJBO-9021ratesticksthemassfractionsofTATB,HMXandF2314 were80%,15%and5%,respectively,atroomtemperature.Ananalyticexpressionwasfittedtothe wavefrontdata.Andbasedontheanalyticexpression,therelationwasobtainedbetweenthenormal velocityofthewavefrontanditslocalcurvature.Theinvestigatedresultdisplaysthatthesteady-state detonationvelocityoftheJBO-9021explosiveincreaseswiththeincreaseofthediameteroftheJBO- 9021ratestick.ThedetonationwaveoftheJBO-9021explosiveisfatterthanthatoftheJB-9014explosiveinwhichthemassfractionsofTATBandF2314are95% and5%,respectively.Consequently, thenonidealspreadcharacteristicsofthedetonationwavesweaken.
- mechanicsofexplosion /
- diametereffect /
- high-speedphotography /
- insensitivehighexplosive /
- steady-statewaveshape /
- steady-statedetonationvelocity