火工品INITIATORS&PYROTECHNICS文章编号:1003-1480(2023)01-0028-04强电流环境下冲击片雷管换能元动态响应仿真研究雷凡1,郭晓东2,易涛3,付秋菠1(1.中国工程物理研究院化工材料研究所,四川绵阳,621999;2.中国工程物理研究院计量测试中心,四川绵阳,621999;3.中国工程物理研究院激光聚变中心,四川绵阳,621999)摘要:为研究强电流环境对弹体内冲击片雷管换能元的影响,采用30kA双指数函数波形的脉冲电流模拟弹体被雷电击中后的电流注入,对弹体不同位置处、不同注入电流脉宽条件下冲击片雷管中的感应电流及桥箔的温度响应进行了仿真。结果表明:随着注入电流脉宽从1.0μs减小至0.1μs,感应电流的幅值从数百安培降至不足10A;随着冲击片雷管位置逐渐远离电流注入位置,其感应电流幅值缓慢增大。脉宽为2.0μs的注入电流作用下,桥箔的最高温度达到了铜的常压沸点,对桥箔产生了不可逆的破坏作用,而脉宽为1.0μs及以下的注入电流几乎不会对桥箔造成影响。关键词:冲击片雷管;强电流环境;感应电流;桥箔温度中图分类号:TJ45+2文献标识码:ADOI:10.3969/j.issn.1003-1480.2023.01.006SimulationStudyonDynamicResponseofSlapperDetonatorEnergyExchangeElementunderHighCurrentEnvironmentLEIFan1,GUOXiao-dong2,YITao3,FUQiu-bo1(1.InstituteofChemicalMaterials,ChineseAcademyofEngineeringPhysics,Mianyang,621999;2.MeasurementandTestingCenterofChinaAcademyofEngineeringPhysics,Mianyang,621999;3.LaserFusionCenter,ChineseAcademyofEngineeringPhysics,Mianyang,621999)Abstract:Inordertostudytheinfluenceofstrongcurrentenvironmentontheenergyexchangeelementoftheslapperdetonatorintheprojectile,30kAdoubleexponentialfunctionwaveformpulsecurrentwasusedtosimulatethecurrentinjectionaftertheprojectilewashitbylightning.Theinducedcurrentintheslapperdetonatorandthetemperatureresponseofthebridgefoilatdifferentpositionsoftheprojectileandunderdifferentinjectioncurrentpulsewidthweresimulated.Theresultsshowthatwiththeinjectioncurrentpulsewidthdecreasesfrom1.0μsto0.1μs,theamplitudeofinducedcurrentdecreasesfromhundredsofamperestolessthan10amperes;Andasthepositionoftheslapperdetonatorgraduallymovesawayfromthecurrentinjectionposition,theamplitudeoftheinducedcurrentincrea...