红外与激光工程, 2017, 46 (2): 0204003, 网络出版: 2017-03-31   

基于红外技术的液体火箭发动机尾焰流场测量研究

Study of liquid rocket engine plume flow field measurement based on the technology of infrared
作者单位
北京航天动力研究所, 北京 100076
摘要
利用傅里叶红外光谱仪(FTIR)和热像仪对常规液体火箭发动机尾焰流场红外光谱和图像进行了测量研究。红外光谱检测出了尾焰流场中的主要燃烧产物H2O、CO2以及微量燃烧产物NO、N2O。红外图像捕捉到了尾焰流场结构, 建立了图像特征与燃烧状态之间的关系。研究结果表明: 红外光谱仪和红外热像仪可对尾焰特征燃烧产物、流场结构进行精确测量, 红外技术的应用为发动机工作状态监测提供一种新的分析手段。
Abstract
Fourier infrared spectrometer and thermal imager can be used to measure infrared spectra and image of conventional liquid rocket plume flow field. The infrared spectral of plume flow field was detected, the main products of combustion H2O, CO2, and traces of combustion products NO and N2O were measured. The plume flow field structure was captured by infrared image, the relationship between the image characteristics and combustion state was set up. The results show that the infrared spectrometer and infrared thermal imager can accurately measure characteristics of plume flow field combustion products, the flow field structure and the application of infrared technology for the engine work condition monitoring provides a new analysis method.

王大锐, 张楠. 基于红外技术的液体火箭发动机尾焰流场测量研究[J]. 红外与激光工程, 2017, 46(2): 0204003. Wang Darui, Zhang Nan. Study of liquid rocket engine plume flow field measurement based on the technology of infrared[J]. Infrared and Laser Engineering, 2017, 46(2): 0204003.

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