首页> 外文会议>Theory and practice of energetic materials.;vol. 9. >Detonation Process as a Chain Branching Reaction —Calculation of Detonation Velocity and Detonation Pressure in Condensed State at Theoretical Density
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Detonation Process as a Chain Branching Reaction —Calculation of Detonation Velocity and Detonation Pressure in Condensed State at Theoretical Density

机译:作为链支化反应的爆轰过程-理论密度下在凝聚态下的爆轰速度和爆轰压力的计算

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The microscopic model of detonation in condensed phase in case of theoretical density is discussed. It is shown that when considering this process as a certain chain reaction with definite limited steps, it is possible to calculate quite accurately (in comparison with experimental errors of determination) such parameters of the process as velocity D and pressure P of detonation. It is suggested that when detonating the interaction transmits to the medium intermolecular distance during generation of some interaction carrier (a certain fragment of explosive molecular, atom, radical) - during bond breakage in explosive molecular in an arbitrary direction. This allows one to calculate reaction wave velocity coincided well with experimentally measured detonation velocity. Keeping in mind the energy characteristics and concentrations of interaction carriers enables to calculate the detonation pressure. All the expressions for calculation D and P have been got in analytical form. They do not have adjustable coefficients. The comparison of suggested methods for calculation with the known hydrodynamic methods used state equations BKW and LJD is made. Better coincidence with the experiment for some well studied explosives is shown.
机译:讨论了在理论密度的情况下凝聚相爆轰的微观模型。结果表明,当将该过程视为具有确定的有限步长的某种链式反应时,可以相当精确地(与确定的实验误差相比)计算该过程的参数,例如爆轰的速度D和压力P。建议在爆炸时,相互作用在某些相互作用载体(爆炸性分子,原子,自由基的某些片段)的产生过程中传递至介质之间的分子间距离,即在爆炸性分子沿任意方向键断裂期间。这样就可以计算出与实验测得的爆轰速度非常吻合的反应波速度。牢记相互作用载体的能量特征和浓度可以计算爆轰压力。计算D和P的所有表达式都是解析形式。它们没有可调系数。将建议的计算方法与使用状态方程BKW和LJD的已知流体力学方法进行了比较。显示了一些经过充分研究的炸药与实验的更好的一致性。

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