高能推进剂燃烧效率研究和实测比冲预估

Combustion efficiency study and prediction of specific impulse of high-energy propellants

关键词:  高能推进剂  推进剂燃烧  燃烧效率  能量性能  比冲

Key words:  High energy propellant  Propellant combustion  Combustion efficiency  Energetic property  Specific impulse

摘要:

采用燃烧残渣中活性铝含量分析、真空爆热和发动机试验等方法 ,研究了高能推进剂中主要组分对推进剂燃烧效率的影响。研究结果表明 :增塑剂的种类和含量是影响燃烧效率的主要因素 ,AP的含量及固体组分的粒度级配也有明显影响 ;BSF -3 15发动机试车结果证明高能推进剂的实测比冲效率大于 0 94。采用软件计算发动机的实测比冲 ,可预估高能推进剂配方在不同压强及燃速条件下标准试验发动机 (BSF -165和BSF -3 15 )试车的实测比冲值。

Abstract:

The effect of main ingredients of high-energy propellants on combustion efficiency was studied by measuring the content of active aluminum in residue and vacuum explosion heat and conducting motor tests. The experimental results show that the kind and content of plasticizer are primary factors in affecting the combustion efficiency and the content of AP and the particle size distribution of solid ingredients also have a great effect on it. The real specific impulse efficiency of high energy propellants in the rocket motor(BSF-  315) tests is over 0.94.The real specific impulse data of high energy propellants in the rocket motor conditions were studied by the theory property prediction. The program can predict influences of the different burning rates and pressures in two kinds of standard testing motors (BSF - 165和BSF-  315)to the real energy property of high energy propellants.