柱形长杆弹侵彻的界面击溃分析

基金项目:

国家自然科学基金项目(10672152)

Theoreticalanalysisontheinterfacedefeatofalongrodpenetration

1.
BasedontheAlekseevski-Tatemodel,thepresentpaperanalyzestheinterfacedefeatofa
2.
longrodinitspenetrationprocess,andthecorrespondingformulaeofvelocitydecayandmasserosion
3.
ofthelongrodarepresented.Theeffectsofvelocitydecayandroderosiononthelossofthekinetic
4.
energyofthelongrodarediscussed.Inparticular,aimedtothetruthofquasi-statictailvelocityof

Funds:

NationalNaturalScienceFoundationofChina(10672152)

摘要: 在Alekseevski-Tate模型的基础上,分析了柱形长杆弹的界面击溃过程,给出了弹体速度下降及质量侵蚀的计算公式;讨论了弹体速度下降及质量侵蚀对动能损失的影响;特别针对柱形长杆弹在界面击溃过程中弹体速度准定常小量变化的特点,近似给出了弹体速度、弹体质量随时间变化的简化解析表达式,为工程应用提供便利。
- 爆炸力学 /
- 解析表达式 /
- Alekseevski-Tate模型 /
- 柱形长杆弹 /
- 界面击溃 /
- 动能损失
Abstract: BasedontheAlekseevski-Tatemodel,thepresentpaperanalyzestheinterfacedefeatofa longrodinitspenetrationprocess,andthecorrespondingformulaeofvelocitydecayandmasserosion ofthelongrodarepresented.Theeffectsofvelocitydecayandroderosiononthelossofthekinetic energyofthelongrodarediscussed.Inparticular,aimedtothetruthofquasi-statictailvelocityof thelongrodintheinterfacedefeat,thesimplifiedandexplicitanalyticalexpressionsareformulatedto describethevariationofthedominatedparameterssuchasthevelocityandthemassoftherodwith time.Itisconvenientforengineeringapplications.
- mechanicsofexplosion /
- analyticalexpressions /
- Alekseevski-Tatemodel /
- longrod /
- interfacedefeat /
- lossofkineticenergy