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含能材料  2015 

氧化高氮杂环羟胺盐在固体推进剂中的能量性能分析

DOI: 10.11943/j.issn.1006-9941.2015.10.001

Keywords: 固体推进剂 高能氧化剂 氧化四唑羟胺盐 氧化三唑羟胺盐

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Abstract:

为评价新的氧化高氮杂环羟铵盐作为复合固体推进剂组分的能量潜力, 采用推进剂性能评估程序PEP模拟计算了3, 3′-二硝基-5, 5′-联-(1-氧-1, 2, 4-三唑)二羟铵(DHDNBT)、5, 5′-联-1, 1′-二氧-四唑二羟铵(TKX-50)和5, 5′-偶氮联-(1-氧四唑)二羟铵(DHABT)取代AP/Al/HTPB和AP/Al/GAP+NE两种复合固体推进剂体系中AP后的能量效果, 并与HMX进行了比较。结果显示, 在高固体含量的AP/Al/HTPB体系中, TKX-50和DHABT取代部分AP所得到的配方在很大的配方调节范围内能量性能与HMX取代AP配方相当, DHDNBT取代AP所得配方能量特性与同样含量HMX取代AP所得配方相当。在AP/Al/GAP+NE体系中, DHDNBT配方能量性能与同样含量HMX配方相同。含TKX-50和DHABT配方能量性能优于含HMX配方。含TKX-50和DHABT配方最高冻结流比冲分别为2662.7 N·s·kg-1和2696.0 N·s·kg-1, 比HMX取代同体系中AP所得配方的最高冻结流比冲(2622.5 N·s·kg-1)高40.2 N·s·kg-1(TKX-50)和73.5 N·s·kg-1(DHABT)。用设想的双-(1-氧-四唑)胺二羟铵(DHBTA)取代AP/Al/GAP+NE体系中AP可使最高冻结流比冲达到2708.7 N·s·kg-1, 比HMX取代同体系中AP所得的最高冻结流比冲高86.2 N·s·kg-1, 且在很大配方调节范围内有比HMX配方更高的能量特性

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