基于量子级联激光器的ADN基液体发动机稳态燃烧CO特征浓度的实验测量
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摘要
二硝酰胺铵(AND)作为一种绿色无毒推进剂已在固体推进剂以及液体推进剂领域得到一定程度的应用,是未来化学推进技术的一个新方向.目前我国正处于ADN基液体推进剂研究的起始阶段,对于其燃烧反应过程的研究是当前的一个研究重点.由于ADN基液体推进剂催化分解及燃烧反应过程复杂,相关的实验结果国内外公开文献发表较少,因此有必要开展ADN基液体发动机催化分解及燃烧反应的实验研究.本实验采用基于量子级联激光器的吸收光谱诊断技术,对ADN基液体发动机燃烧室内燃烧过程进行探究.CO是ADN基液体推进剂催化分解及燃烧反应的特征产物之一,通过测量ADN基液体发动机典型工况下CO的特征浓度,可以定量获得ADN基发动机中描述催化分解及燃烧反应进程的重要信息,研究结果可以为我国自主开发高效稳定的液体ADN基无毒空间发动机提供理论基础.
Ammonium Dinitramide(ADN) is a chemical propellant with high-performing, green, and storable characteristics. It has been used as solid propellant and liquid propellant which represents a new trend in chemical propulsion technology. The present study discussed the experimental investigations of a model aerospace thruster with ADN-based liquid propellant. The catalytic decomposition and combustion processes of the ADN-based thruster is significantly complicated. And only few literatures are focused on this topic. In this paper, based on quantum cascade laser(QCL), the combustion process in the ADN-based thruster was investigated. Carbon monoxide(CO) is a characteristic species produced during the chemical reaction of ADN-based liquid propellant. Through the measurement of CO concentration, the complicated catalytic decomposition and combustion processes was described quantitatively. These results are valuable for a better understanding of the mechanisms of the catalytic decomposition and combustion with ADN-based liquid propellant, which is beneficial to the development of green aerospace propulsion techniques.
Ammonium Dinitramide(ADN) is a chemical propellant with high-performing, green, and storable characteristics. It has been used as solid propellant and liquid propellant which represents a new trend in chemical propulsion technology. The present study discussed the experimental investigations of a model aerospace thruster with ADN-based liquid propellant. The catalytic decomposition and combustion processes of the ADN-based thruster is significantly complicated. And only few literatures are focused on this topic. In this paper, based on quantum cascade laser(QCL), the combustion process in the ADN-based thruster was investigated. Carbon monoxide(CO) is a characteristic species produced during the chemical reaction of ADN-based liquid propellant. Through the measurement of CO concentration, the complicated catalytic decomposition and combustion processes was described quantitatively. These results are valuable for a better understanding of the mechanisms of the catalytic decomposition and combustion with ADN-based liquid propellant, which is beneficial to the development of green aerospace propulsion techniques.
引文
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2 梁军强,王晓磊,宋涛.嫦娥二号卫星推进系统拓展任务性能分析.中国科学:技术科学,2013,43:733–738
3 Bottaro J C,Penwell P E,Schmitt R J.1,1,3,3,-Tetraoxy-1,2,3-triazapropene anion,a new oxy anion of nitrogen:The dinitramide anion and its salts.J Am Chem Soc,1997,119:9405–9410
4 Talawar M B,Sivabalan R,Anniyappan M,et al.Emerging trends in advanced high energy material.Combust Explo Shock+,2007,43:62 –72
5 Schmidt E W.Hydrazine and its Derivatives.London:Wiley-Interscience,2001
6 姚兆普,王梦,陈君.基于二硝酰胺铵(ADN)的无毒推进剂热分解及燃烧反应路径研究.空间控制技术与应用,2013,5:53–57
7 Rothman L S,Jacquemart D,Barbe A,et al.The HITRAN2004 molecular spectroscopic database.J Quant Spectrosc Ra,2005,96:139–204
8 余西龙,李飞,陈立红,等.TDLAS测量甲烷/空气预混平面火焰温度和H2O浓度.见:高超声速会议文集.丽江,2008