多面体含能材料的爆速和爆压预估

当采用R-P经验方法预估多硝基笼状化合物最大理论密度下爆速和爆压时,需要修正F因子中与分子结构有关的A/3项,使F因子包含有来自笼状分子高晶体密度和分子内部高张力能的贡献。与K-J方法相比,改进R-P方法既保持了原式的优点,又使预估结果获得明显改善。把K-J方法预估结果作为基础数据,利用改进R-P方法估算25种多硝基笼状化合物的爆速和爆压,结果表明该方法的相对误差分别为±1.9％和±5.2％。而用R-P方法时,预估爆速和爆压的相对误差分别为±14.0％和±21.4％。

PREDICTING DETONATION VELOCITY AND PRESSURE OF POLYHEDRON ENERGETIC MATERIALS

For predicting detonation velocity (D) and pressure (P) of a polynitro cage compound at its theoretical maximum density with R-P empirical method, it is necessary to modify the term A/3 dealt with the molecular structure in the F factor and to consider the contribution of high crystal density and high strain energy embedded in the molecule stemming from the cage systems to the F factor. Compared with R-P method, the modified R-P one not only preserves original advantages, but also markedly improves the predicting results.With the predicting results of the K-J method taken as the basic data, the relative error of detonation velocities and pressures for all 25 polynitro cage compounds evaluated by using modified R-P method is ±1.9% and ±5.2%,respectively.However,the relative error for the same compounds predicted by R-P method is ±14.0% for D and ±21.4% for P.