小攻角条件下动能弹体高速侵彻混凝土靶的弹体弯曲

Bendingofprojectilewithsmallangleofattack duringhigh-speedpenetrationofconcretetargets

摘要: 将高速侵彻混凝土靶板的弹体简化为自由梁,应用弹体侵彻阻力和梁动态弯曲内力分析了由小攻角产生的横向载荷导致的弹体弯曲。结果表明,弹体理论弯曲条件受弹体着靶前状态、弹体结构和材料控制。理论计算证实弹体高速侵彻混凝土靶板时由于小攻角的存在会发生弹体弯曲变形,弹体侵彻实验结果表明弹体弯曲位置和弯曲条件与理论分析结果相符。
- 爆炸力学 /
- 弹体弯曲 /
- 高速侵彻 /
- 动能弹体 /
- 混凝土靶
Abstract: Thebendingoftheprojectileintheprocessofhigh-speedpenetratingconcreteisstudiedby simplifyingtheprojectileasafree-freebeam.Thebending momentcausedbythetransverseload whichisgeneratedfromsmallangleofattackandpenetrationresistanceisanalyzedthroughtheoreticalwork. Theanalysisshowedthatthetheoreticalbendingconditionisdominatedbyinitialstatus, structureandmaterialoftheprojectile.Thecomputedresultsprovedthatthebendingofhigh-speed penetratingprojectileisaffectedbytheexistenceofsmallangleofattack.Thepenetrationexperiment alsoindicatesthatthebendingpositionandthebendingconditionobtainedfromexperimentresultsare wellagreedwiththeoreticalanalysis.
- mechanicsofexplosion /
- bendingofprojectile /
- high-speedpenetration /
- kineticenergypenetrator /
- concretetarget