Well‐Posed Equations of States for Condensed‐Phase Explosives,Propellants, Explosives, Pyrotechnics

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Well‐Posed Equations of States for Condensed‐Phase Explosives
Propellants, Explosives, Pyrotechnics ( IF 1.7 ) Pub Date : 2019-09-23 , DOI: 10.1002/prep.201900121
Kibaek Lee ₁ , Alberto M. Hernández ₁ , D. Scott Stewart ₂

Affiliation

We discuss equation of state forms used to describe condensed high explosive materials that are comprised of mixed components of reactants and products. We show that when the equations of state have poor thermodynamic properties, or good properties but used outside their calibration domain, reactive flow simulations can fail unexpectedly, due to either no states or multiple found thermodynamic states. We propose the use of complete equations of states for components to build multi‐component equations of state for explosive mixtures. Specific examples of equation of state forms are given that show both simulation failure and success, when well‐posed equation of state forms are used to simulate blast generated by the initiation of an explosive from an intense high‐pressure source.

中文翻译：

凝聚相炸药状态方程的正确位置

我们讨论状态形式方程，该状态形式用于描述由反应物和产物的混合组分组成的浓缩高爆炸物。我们显示出，当状态方程的热力学性质较差或具有良好的性质但在其校准域之外使用时，由于没有状态或存在多个热力学状态，因此反应流模拟可能会意外失败。我们建议使用组分的完整状态方程来建立爆炸性混合物的多组分状态方程。当状态良好的状态方程式被用来模拟由强烈高压源引爆炸药而产生的爆炸时，给出了状态方程式的具体例子，它们同时显示了模拟的失败和成功。

更新日期：2020-03-22

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