ADN基发动机燃烧室CO组分实验测量

推进技术 ›› 2015, Vol. 36 ›› Issue (5): 650-655.

ADN基发动机燃烧室CO组分实验测量

张　伟^1,2,沈　岩¹,余西龙²,姚兆普¹,王　梦¹,曾　徽²,李　飞²,张少华²

中国空间技术研究院北京控制工程研究所，北京 100190; 中国科学院力学研究所高温气体动力学国家重点实验室，北京 100190,中国空间技术研究院北京控制工程研究所，北京 100190,中国科学院力学研究所高温气体动力学国家重点实验室，北京 100190,中国空间技术研究院北京控制工程研究所，北京 100190,中国空间技术研究院北京控制工程研究所，北京 100190,中国科学院力学研究所高温气体动力学国家重点实验室，北京 100190,中国科学院力学研究所高温气体动力学国家重点实验室，北京 100190,中国科学院力学研究所高温气体动力学国家重点实验室，北京 100190

发布日期:2021-08-15
作者简介:张　伟(1987—)，男，硕士生，研究领域为航天器推进。E-mail:jianchi866@126.com 　　　作者简介:余西龙(1971—)，男，研究员，研究领域为激光光谱诊断、超声速燃烧。
基金资助:
国家安全重大基础研究资助项目(613209)。

Concentration Measurement of Carbon MoNO_xide in Combustion Chamber of an ADN-Based Propellant Thruster

Beijing Institute of Control Engineering，China Academy of Space Technology，Beijing 100190，China; Key Laboratory of High Temperature Gas Dynamics，Institute of Mechanics，C A S，Beijing 100190，China,Beijing Institute of Control Engineering，China Academy of Space Technology，Beijing 100190，China,Key Laboratory of High Temperature Gas Dynamics，Institute of Mechanics，C A S，Beijing 100190，China,Beijing Institute of Control Engineering，China Academy of Space Technology，Beijing 100190，China,Beijing Institute of Control Engineering，China Academy of Space Technology，Beijing 100190，China,Key Laboratory of High Temperature Gas Dynamics，Institute of Mechanics，C A S，Beijing 100190，China,Key Laboratory of High Temperature Gas Dynamics，Institute of Mechanics，C A S，Beijing 100190，China and Key Laboratory of High Temperature Gas Dynamics，Institute of Mechanics，C A S，Beijing 100190，China

Published:2021-08-15

摘要/Abstract

摘要： 为研究ADN基发动机燃烧室内的燃烧过程，搭建了一套基于可调谐半导体激光器吸收光谱(TDLAS)实验测量系统。实验采用直接吸收光谱法对ADN基发动机燃烧室内CO组分摩尔分数进行测量，获得了喷注压力分别为1.1MPa，0.9MPa，0.7MPa，0.5MPa时，发动机燃烧室内CO组分摩尔分数随时间的变化。实验结果表明当发动机喷注压力由1.1MPa下降到0.5MPa时，燃烧室内CO平均摩尔分数由2%上升到4.7%，这表明发动机喷注压力的变化影响燃烧室内ADN基推进剂化学反应进程，当喷注压力下降时燃烧室内CO摩尔分数升高，ADN基推进剂燃烧不充分。

关键词: 量子级联激光器；ADN基发动机；绿色推进剂；吸收光谱；喷注压力

Abstract: A tunable diode laser absorption spectroscopy (TDLAS) system was set up to investigate the combustion process of ADN-based propellant thruster. In the experiment，the mole fraction of CO was measured by using direct absorption scheme. The temporal variation of mole fraction of CO was experimentally obtained with respect to various injection pressure such as 1.1MPa，0.9MPa，0.7MPa，and 0.5MPa. Experimental results indicate that when the injection pressure was reduced from 1.1MPa to 0.5MPa，the average mole fraction of CO increased from 2% to 4.7%.It is shown that the injection pressure could have a crucial influence on the chemical reaction procedure of ADN-based propellant and the mole fraction of CO will arise as injection pressure decreases. Therefore，energy release of ADN-based propellant is insufficient in the case of low injection pressure.

Key words: Quantum cascade laser (QCL)；ADN-based thruster；Green propellant；Absorption spectrometry；Injection pressure

张　伟,沈　岩,余西龙,姚兆普,王　梦,曾　徽,李　飞,张少华. ADN基发动机燃烧室CO组分实验测量[J]. 推进技术, 2015, 36(5): 650-655.

ZHANG Wei^1,2,SHEN Yan¹,YU Xi-long²,YAO Zhao-pu¹,WANG Meng¹,ZENG Hui²,LI Fei²,ZHANG Shao-hua². Concentration Measurement of Carbon MoNO_xide in Combustion Chamber of an ADN-Based Propellant Thruster[J]. Journal of Propulsion Technology, 2015, 36(5): 650-655.

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