二硝酰胺铵对交联改性双基推进剂能量及燃烧性能的影响
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摘要
为研究二硝酰胺铵(ADN)对交联改性双基推进剂(XLDB)推进剂能量及燃烧性能的影响规律,采用扫描电镜观察了ADN颗粒的微观形貌,采用最小自由能法分别计算了ADN逐步代替奥克托今(HMX)和高氯酸铵(AP)对XLDB推进剂能量参数的影响,并通过靶线法和稳态燃烧火焰结构研究了不同ADN含量推进剂的燃烧性能。结果表明,ADN颗粒表面光滑、致密,无明显缺陷; ADN完全替代HMX时,推进剂理论比冲降低10. 3 N·s/kg; ADN完全替代AP时,理论比冲提高38. 4 N·s/kg;采用ADN逐步替代AP时,推进剂1～15 MPa下燃速和压力指数增加。
In order to research the effects of ammonium dinitramide( ADN) on energy and combustion of crosslinked modified double base( XLDB) propellant,scanning electron microscopy( SEM) was used to observe the microstructure of ADN. The energy characteristic parameters were calculated based on the minimum free energy method. The burning performances of propellant with different ADN content were tested by target line method and steady state combustion flame structure. The results show that the surface of ADN particles is compact,smooth,and no obvious defects. The theory specific impulse of propellant was reduced by 10. 3 N·s/kg when cyclotetramethylenetetranitroamine( HMX) was replaced by ADN. The theory specific impulse of propellant was increased by38. 4 N·s/kg when ammonium perchlorate( AP) was replaced by ADN. The burning rate and pressure exponent were increased under 1 ～ 15 MPa with AP was replaced by ADN gradually.
In order to research the effects of ammonium dinitramide( ADN) on energy and combustion of crosslinked modified double base( XLDB) propellant,scanning electron microscopy( SEM) was used to observe the microstructure of ADN. The energy characteristic parameters were calculated based on the minimum free energy method. The burning performances of propellant with different ADN content were tested by target line method and steady state combustion flame structure. The results show that the surface of ADN particles is compact,smooth,and no obvious defects. The theory specific impulse of propellant was reduced by 10. 3 N·s/kg when cyclotetramethylenetetranitroamine( HMX) was replaced by ADN. The theory specific impulse of propellant was increased by38. 4 N·s/kg when ammonium perchlorate( AP) was replaced by ADN. The burning rate and pressure exponent were increased under 1 ～ 15 MPa with AP was replaced by ADN gradually.
引文
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2 张伟,刘芳莉,樊学忠,等.热分析法研究ADN与推进剂组分的相互作用及相容性.固体火箭技术,2014; 37(5):666—671Zhang Wei,Liu Fangli,Fan Xuezhong,et al. Interaction and compatibility of ADN with compositions of propellant by thermal analysis method. Journal of Solid Rocket Technology, 2014; 37(5):666 —671
3 Menke K,Heintz T,Schwekert W,et al. Formulation and properties of ADN/GAP propellant. Propellant, Explosives, Pyrotechnics,2009; 34:218—230
4 张志忠,姬月萍,王伯周,等.二硝酰胺铵在火炸药中的应用.火炸药学报,2004; 27(3):36—40Zhang Zhizhong,Ji Yueping,Wang Bozhou,et al. Application of ammonium dinitramide in propellants and explosives. Chinese Journal of Explosives&Propellant,2004; 27(3):36—40
5 黄洪勇.高能氧化剂二硝酰胺铵研究进展.上海航天,2005;(4):31—35Huang Hongyong. Study progress of ammonium dinitramide. Aerospace Shanghai,2005;(4):31—35
6 尚冬琴,黄洪勇. PGN/ADN推进剂的燃烧性能.含能材料,2010; 18(4):372—376Shang Dongqin,Huang Hongyong. Combustion properties of PGN/ADN propellants. Chinese Journal of Energetic Materials,2010; 18(4):372—376
7 卢先明,莫洪昌,陈斌,等. GAP/BPS交联体包覆球形ADN颗粒.含能材料,2016; 24(11):1080—1083Lu Xianming,Mo Hongchang,Chen Bin,et al. Coating of spherical ADN particles by GAP/BPS crosslinked polymers. Chinese Journal of Energetic Materials,2016; 24(11):1080—1083
8 宋振伟,李笑江,严启龙,等. CL-20基交联改性双基推进剂的燃烧性能.火炸药学报,2012; 35(1):52—55Song Zhenwei,Li Xiaojiang,Yan Qilong,et al. Combustion properties of cross-linking modified double-base propellant with CL—20.Chinese Journal of Explosives&Propellants,2012; 35(1):52—55
9 何利明,何伟,罗运军. GAP/NC交联改性双基推进剂能量及烟雾特性计算研究.含能材料,2016; 24(4):318—323He Liming,He Wei,Luo YunJun. Energy and smoke signature of GAP/NC cross-linked propellant. Chinese Journal of Energetic Materials,2016; 24(4):318—323
10 李猛,赵凤起,罗阳,等.含5,5’-联四唑1,1’-二氧二羟铵推进剂的能量特性计算.含能材料,2014; 22(3):286—290Li Meng,Zhao Fengqi,Luo Yang et al. Energetic characteristics computation of propellants containing dihydroxylammonium 5,5'-bistetrazole-1,1'-diolate(TKX—50). Chinese Journal of Energetic Materials,2014; 22(3):286—290
11 张恒宁,王晗,李笑江,等.草酸铵对改性双基推进剂燃烧及能量性能影响研究.科学技术与工程,2014; 14(29):202—205Zhang Hengning,Wang Han,Li Xiaojiang,et al. Study on the effect of ammonium oxalate on combustion and energy properties of modified double-base propellant. Science Technology and Engineering,2014; 14(29):202—205
12 田德余,赵凤起,刘剑洪.含能材料及相关物手册.北京:国防工业出版社,2011:70—71Tian Deyu,Zhao Fengqi,Liu Jianhong. Handbook of energetic materials and the related compounds. Beijing:National Defense Industry Press,2011:70—71