用FTIR光谱仪测量排气系统中红外光谱辐射强度的方法

罗明东; 吉洪湖; 黄伟; 蔡旭; 高潮

用FTIR光谱仪测量排气系统中红外光谱辐射强度的方法

南京航空航天大学能源与动力学院, 南京 210016

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出版历程
- 收稿日期: 2006-09-07
- 修回日期: 2006-12-04
- 刊出日期: 2007-09-28

Research on measurement method of mid-IR spectral radiant intensity of exhaust system with FTIR spectrometer

College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

摘要

摘要: 通过理论分析及实验研究讨论了傅立叶变换红外(FTIR)光谱仪测量排气系统中红外光谱辐射强度过程中误差产生的原因, 设计了一套简易有效的测量方法.用此方法测量了黑体和热喷流的光谱辐射强度.结果表明:该测量方法能够有效地获得排气系统的中红外光谱辐射强度, 具有工程实用价值.
- 航空、航天推进系统 /
- 傅立叶变换红外光(FTIR)谱仪 /
- 排气系统 /
- 光谱辐射强度
Abstract: The reasons of error occurred in measuring Mid-IR spectral radiant intensity of exhaust system with Fourier transform infrared(FTIR) spectrometer was discussed through theoretical analysis and experimental research.A simple and efficient measurement method was also planned to measure the spectral radiant intensity of a blackbody and a hot plume.The results show that Mid-IR spectral radiant intensity of exhaust system could be measured effectively by this method,thus offering a high value of engineering practicability.
- aerospace propulsion system /
- Fourier transform infrared(FTIR) spectrometer /
- exhaust system /
- spectral radiant intensity

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