| 液体火箭发动机羽焰UV-VIS光谱的实时采集及分析 |
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| 引用本文： | 黄庆梅,陈路,孙景宁,赵和平,陈锋,李志刚,董文华. 液体火箭发动机羽焰UV-VIS光谱的实时采集及分析[J]. 北京理工大学学报, 2008, 28(4): 306-309 |
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| 作者姓名： | 黄庆梅 陈路 孙景宁 赵和平 陈锋 李志刚 董文华 |
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| 作者单位： | 北京理工大学,颜色科学与工程国家专业实验室,北京,100081;北京航天实验研究所,北京,100074 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 根据光谱与发动机工况及故障之间的关系,研究发动机的故障检测和诊断技术.采用光纤光谱仪搭建一套羽焰光谱实时采集系统,实现液体火箭发动机羽焰UV-VIS光谱的现场实时采集.多次地面发动机搭载试验验证了该系统的可行性,并获取了发动机羽焰UV-VIS波段光谱数据.通过分析光谱数据,检测出Fe等相关金属元素的原子特征辐射光谱.初步获得了发动机工况与羽焰特定波段光谱辐射强度之间的变化规律,进一步论证了光谱技术用于液体火箭发动机故障检测的可行性.
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| 关 键 词： | 液体火箭发动机 羽焰光谱 辐射光谱 |
| 文章编号： | 1001-0645(2008)04-0306-04 |
| 收稿时间： | 2007-11-22 |
| 修稿时间： | 2007-11-22 |
Collection and Analysis of UV-VIS Spectrum for the Plume of Liquid Rocket Engine |
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| HUANG Qing-mei,CHEN Lu,SUN Jing-ning,ZHAO He-ping,CHEN Feng,LI Zhi-gang and DONG Wen-hua. Collection and Analysis of UV-VIS Spectrum for the Plume of Liquid Rocket Engine[J]. Journal of Beijing Institute of Technology(Natural Science Edition), 2008, 28(4): 306-309 |
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| Authors: | HUANG Qing-mei CHEN Lu SUN Jing-ning ZHAO He-ping CHEN Feng LI Zhi-gang DONG Wen-hua |
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| Affiliation: | National Laboratory of Colour Science and Engineering, Beijing Institute of Technology, Beijing 100081, China;National Laboratory of Colour Science and Engineering, Beijing Institute of Technology, Beijing 100081, China;National Laboratory of Colour Science and Engineering, Beijing Institute of Technology, Beijing 100081, China;Beijing Institute of Aerospace Testing Technology, Beijing 100074, China;Beijing Institute of Aerospace Testing Technology, Beijing 100074, China;Beijing Institute of Aerospace Testing Technology, Beijing 100074, China;Beijing Institute of Aerospace Testing Technology, Beijing 100074, China |
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| Abstract: | Constructed a spot collection system to collect the UV-VIS spectrum of liquid rocket plume,obeying relations between the engine's status and faults,and diagnosing the liquid-propellant engine's faults.Several tests testifying the feasibility of the system and the engine' spectral data had been carried out.Through analysis,emission spectrum of metals,such as Fe were detected.The interrelationship between the engine's status and the spectral intensity of plume were found,which testifying the feasibility of the proposed systen. |
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| Keywords: | liquid-propellant engine spectrum of plume emission spectrum |
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