[1]石先锐,闫光虎,贾永杰,等.RDX和NGU对叠氮硝胺发射药动态燃烧稳定性的影响[J].爆破器材,2020,49(05):14-19.[doi:doi:10.3969/j.issn.1001-8352.2020.05.003]
　SHI Xianrui,YAN Guanghu,JIA Yongjie,et al.Influence of RDX and NGU on the Dynamic Combustion Stability of Azidonitramine Gun Propellants[J].EXPLOSIVE MATERIALS,2020,49(05):14-19.[doi:doi:10.3969/j.issn.1001-8352.2020.05.003]
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RDX和NGU对叠氮硝胺发射药动态燃烧稳定性的影响()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
49
期数:
2020年05
页码:
14-19
栏目:
基础理论
出版日期:
2020-10-05

文章信息/Info

Title:
Influence of RDX and NGU on the Dynamic Combustion Stability of Azidonitramine Gun Propellants
文章编号:
5465
作者:
石先锐; 闫光虎; 贾永杰; 胡睿; 崔鹏腾; 张玉成
西安近代化学研究所(陕西西安，710065）
Author(s):
SHI Xianrui;  YAN Guanghu;  JIA Yongjie;  HU Rui;  CUI Pengteng;  ZHANG Yucheng
Xi’an Modern Chemistry Research Institute (Shaanxi Xi’an, 710065)
关键词:
黑索今; 硝基胍; 叠氮硝胺发射药; 动态燃烧性能
Keywords:
RDX;  NGU;  azidonitramine gun propellant;  dynamic combusion performance
分类号:
TJ55
DOI:
doi:10.3969/j.issn.1001-8352.2020.05.003
文献标志码:
A
摘要:
以30 mm高压模拟炮为试验平台，以单基发射药为参照，研究了3种典型叠氮硝胺(DIANP)发射药的动态燃烧稳定性，分析了配方组成对DIANP发射药起始燃烧特征、膛内压力上升过程及膛内压力波动的影响，探讨了DIANP发射药配方组成与其起始燃烧特征、膛内压力上升特点和压力波强度的相互关系。结果表明，在DIANP发射药配方中添加质量分数30%的固体组分黑索今(RDX)或硝基胍(NGU)，发射药膛内动态燃烧稳定性增加，膛压-时间曲线波动减小，膛压从30 MPa增至50 MPa所需的时间分别增加了92%和78%，起始负压差从－40.7 MPa降低至－4.44 MPa和－10.66 MPa。在DIANP发射药体系引入高含量的固体组分RDX或NGU，由于低压下RDX分解前熔融吸热，而NGU火药燃烧表面存在坚实熔融层，均可有效减小DIANP发射药起始燃气的生成速率，降低发射装药起始燃气生成猛度，缓减起始阶段膛内压力的上升，提高药床起始燃烧一致性，减小膛内压力波强度。
Abstract:
Dynamic combustion performance of three typical azidonitramine gun propellants (NC/NG/DIANP, NC/NG/DIANP/RDX, NC/NG/DIANP/NGU) was comparatively studied by 30 mm high pressure gun, and the single base gun propellant was also studied for reference. Influence of composition change of azidonitramine gun propellants on the early phase combustion characteristic, the rising process of chamber pressure and the pressure fluctuation inside the chamber was analyzed. The relation between composition of azidonitramine gun propellant and its initial combustion characteristics, pressure rising characteristics in bore and pressure wave intensity was discussed. The results indicates that adding 30% (mass fraction) solid component RDX or NGU to the formulation of azidonitramine gun propellant, the dynamic combustion stability improves, the p-t curve fluctuation eliminates, the time required to increase the pressure from 30 MPa to 50 MPa increases by 92% and 78% respectively, and the initial pressure wave intensity decreased from －40.7MPa to－4.44-MPa and －10.66MPa, respectively. High content of RDX or NGU was introduced into DIANP system. The heat absorption prior to RDX melting or dense molten layer of NGU gun propellants can effectively reduce the initial gas generation rate of propellant, reduce the initial gas generation rate of propellant charge, slow down the rise of pressure in the initial stage, improve the initial combustion consistency of propellants bed, and decrease the pressure wave intensity in bore.

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备注/Memo

备注/Memo:
收稿日期：2020-03-25
第一作者：石先锐（1988－），博士，助理研究员,主要研究方向：发射药配方与工艺。E-mail:ak452597471@163.com
更新日期/Last Update: 2020-10-05