改性双基推进剂主要组分对其烟雾特征信号影响研究

推进技术 ›› 2014, Vol. 35 ›› Issue (7): 996-1001.

改性双基推进剂主要组分对其烟雾特征信号影响研究

李　猛,罗　阳,赵凤起,孙　美,郑　伟

西安近代化学研究所燃烧与爆炸技术重点实验室，陕西西安 710065;西安近代化学研究所燃烧与爆炸技术重点实验室，陕西西安 710065;西安近代化学研究所燃烧与爆炸技术重点实验室，陕西西安 710065;西安近代化学研究所燃烧与爆炸技术重点实验室，陕西西安 710065;西安近代化学研究所燃烧与爆炸技术重点实验室，陕西西安 710065

发布日期:2021-08-15
作者简介:李　猛(1979—)，男，硕士，研究领域为固体推进剂性能计算技术。
基金资助:
国家自然科学基金(21173163)；火炸药专用技术(40406010103)。

Effects of Components on Smoke Signature of CMDB Propellant

Science and Technology on Combustion and Explosion Laboratory，Xi’an Modern Chemistry Research Institute，Xi’an 710065，China;Science and Technology on Combustion and Explosion Laboratory，Xi’an Modern Chemistry Research Institute，Xi’an 710065，China;Science and Technology on Combustion and Explosion Laboratory，Xi’an Modern Chemistry Research Institute，Xi’an 710065，China;Science and Technology on Combustion and Explosion Laboratory，Xi’an Modern Chemistry Research Institute，Xi’an 710065，China;Science and Technology on Combustion and Explosion Laboratory，Xi’an Modern Chemistry Research Institute，Xi’an 710065，China

Published:2021-08-15

摘要/Abstract

摘要： 为研究改性双基推进剂(CMDB)组分变化对烟雾特征信号的影响，采用最小自由能原理和烟雾特征信号计算特征值模型对配方进行了计算，系统分析了改性双基推进剂中不同固体含量、不同高能添加剂、不同氧含量、催化剂及铝粉含量等对烟雾特征信号影响规律。结果表明，添加DNTF使得CMDB推进剂能量最大而烟雾特征信号最小；NC，NG以及RDX的含量变化对烟雾特征信号影响不明显；当Al含量小于4%时，含Al的CMDB推进剂烟雾类别为BA级，当Al含量大于4%时，配方体系烟雾类别为CA级；为保证CMDB推进剂为微烟，催化剂NTO铅(NTO-Pb)含量应小于3%。

关键词: 改性双基推进剂；烟雾特征信号；理论比冲；数值仿真

Abstract: In order to study the effects of different contents on smoke signature of composite modified double-base propellant(CMDB)，theoretical performance of the propellant was calculated based on the principle of free-energy minimization and eigenvalue model of primary and secondary smokes. The effects of solid content，oxygen content，Al content，Lead 3-nitro-1，2，4-triazol-5-onate(NTO-Pb)content and different explosive on smoke signature of the propellant were analyzed. The results show that theoretical specific impulse of the propellant is the greatest and secondary smoke signature of the propellant is minimal while adding 3，4-Dinitrofurazanfuroxan(DNTF). The content of Nitrocellulose(NC)，Nitroglycerin(NG) and Cyclotrimethylenetrinitriamine(RDX) have slight influences on the smoke signature of the propellant. The propellant containing 4% Al is critical point of BA and CA department of primary and secondary smoke. In order to meet the demand with minimum smoke，the propellant of NTO-Pb content should be less than 3%.

Key words: CMDB propellant；Smoke signature；Theoretical specific impulse；Numerical simulation

李　猛,罗　阳,赵凤起,孙　美,郑　伟. 改性双基推进剂主要组分对其烟雾特征信号影响研究[J]. 推进技术, 2014, 35(7): 996-1001.

LI Meng,LUO Yang,ZHAO Feng-qi,SUN Mei,ZHENG Wei. Effects of Components on Smoke Signature of CMDB Propellant[J]. Journal of Propulsion Technology, 2014, 35(7): 996-1001.

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