AP与HMX作用的“连锁互动”机制

Linkage-mutualism" mechanism for interactions between AP and HMX

关键词:  硝胺推进剂  高能推进剂  奥克托金  推进剂燃烧  燃烧化学动力学

Key words:  Nitramine propellant  High energy propellant  Octogen  Propellant combustion  Combustion chenicl kinetics

摘要:

研究了NEPE推进剂中AP与HMX的相互作用。基于凝相机理与热解实验 ,从分子层面和化学反应的角度 ,结合价键、形式电荷、链反应等理论和固体单元推进剂的燃烧状况 ,提出了AP与HMX间的“连锁互动”机制。有NH3与NO2 等活性物种参与的“放热连锁、物种互动”过程 ,可以有效提高NEPE推进剂燃速并在一定程度上改善其燃烧性能

Abstract:

Based on the condensed-phase mechanism and thermolysis experimental results, the interactions between AP and HMX in NEPE propellants were studied from the two angles of molecular structure and chemical reaction. Related to bond polarity, formal charges on atoms, chain reaction theory and the comparison of solid monopropellant combustion and modeling, the "linkage mutualism"mechanism was proposed. That implies between AP and HMX, the heat released is interlocked and the species produced are mixed and reacted with each other in the combustion wave. The interactions can therefore effectively raise the burning rates of NEPE propellants and improve their ignition and combustion characteristics to some extent.