摘要
H2O2复合推进剂是一种新型绿色高能推进剂.利用最小自由能原理、采用ramj能量计算软件计算了H2O2复合推进剂的能量性能.结果表明,配方中Al含量越高,燃烧产物平均相对分子质量越大,燃温越高;PE含量越高,燃烧产物平均相对分子质量越小,燃温越低.对于LZY/PE/Al/H2O2配方,LZY含量每降低1％,其标准理论比冲大约提高5.9N·s/kg;当LZY含量为7％、H2O2含量在48％ ～ 70％时,其标准理论比冲最大值均在2740.1～2755.8 N·s/kg之间,几乎与H2O2的绝对含量无关.对于LZY/PE/Al/AlH3/H2O2配方,在H2O2含量相同的条件下,AlH3含量每增加5％,其标准理论比冲大约增加34.3 N·s/kg;当LZY含量为7％、AlH3含量为14％、H2O2含量在48％ ～66％时,其标准理论比冲均高于2842 N·s/kg.理论计算和试验结果均表明,H2O2复合推进剂的能量性能远高于常规固体推进剂,在固体火箭发动机领域具有广阔的应用前景.
The composite propellant with H2O2 contained is a novel kind of green high energy propellant.The energy property of this propellant was calculated by using the principle of minimum free energy and adopting the ＂ramj＂ energy calculation software.The results show that the average relative molecular weight of combustion product and the combustion temperature are both increased along with the increase of Al content in formula.On the contrary,the average relative molecular weight of combustion product and the combustion temperature are both decreased along with the increse of PE content in formula.The standard theoretical specific impulse is promoted by 5.9 N · s/kg for LZY/PE/Al/H2O2 formula when the content of LZY is reduced per 1％.Furthermore,when the LZY content equals 7％ and the H2O2 content is varied from 48％ to 70％,the standard theoretical specific impulse of LZY/PE/Al/H2O2 formula is always between 2740.1 N · s/kg and 2755.8 N · s/kg,which is almost independent of the absolute content of H2O2.For the LZY/PE/Al/AlH3/H2O2 formula with same content of H2O2,the standard theoretical specific impulse is raised by 34.3N · s/kg when the AlH3 content is increased per 5％.Under the conditions of wt （LZY） ％ =7％,wt （AlH3） ％ =14％,wt （H2O2）％ =48％ ～ 66％,the standard theoretical specific impulse of LZY/PE/Al/AlH3/H2O2 formula can exceed 2842 N · s/kg,which is a considerably high value for aerospace application.Both theoretical calculation and experimental results indicate that the energy property of composite propellant with H2O2 contained is much higher than that of conventional solid propellant.As a resuit,this propellant will possess a promising application prospect in solid rocket engine area.
出处
《固体火箭技术》
EI
CAS
CSCD
北大核心
2013年第5期660-665,共6页
Journal of Solid Rocket Technology
关键词
H2O2
复合推进剂
能量性能
理论计算
标准理论比冲
H2O2
composite propellant
energy property
theoretical calculation
standard theoretical specific impulse
