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利用建立的再生式液体发射药火炮两维多相流数位模型,以37mm液体发射药火炮为对象,对其内弹道参量的时空分布规律进行了数值解析,并与相关实验结果进行了比较分析。首次给出了再生式液体发射药火炮中液注扩展、气相速度、气相压力和气相温度的时空分布规律,深入揭示了内弹道过程的发展特征。
Based on the numerical model of two-dimensional multi-phase flow model of regenerative liquid propellants, the space-time distribution of the internal projectile parameters was numerically analyzed with 37mm liquid propellants, and compared with the related experimental results. For the first time, the spatiotemporal distribution of liquid injection expansion, gas velocity, gas phase pressure and gas phase temperature in a regenerative liquid propellant artillery was given, revealing the development characteristics of the internal ballistic process.