Construction of narrow-band infrared radiation characteristics database for high-temperature hydrocarbon combustion media

Jinlu Li; Lu Bai; Jingyu Bai; Yueyuan Xu; Tianjiao Zhang; Danmeng Zhang; Lixin Guo

doi:10.1117/12.2606124

1 November 2021 Construction of narrow-band infrared radiation characteristics database for high-temperature hydrocarbon combustion media

Jinlu Li, Lu Bai, Jingyu Bai, Yueyuan Xu, Tianjiao Zhang, Danmeng Zhang, Lixin Guo

Author Affiliations +

Proceedings Volume 12057, Twelfth International Conference on Information Optics and Photonics; 120572W (2021) https://doi.org/10.1117/12.2606124
Event: Twelfth International Conference on Information Optics and Photonics, 2021, Xi'an, China

Abstract

At high temperatures, typical species in the rocket exhaust plume produce spectral radiation signals in a specific spectrum due to high-temperature vibration-rotation transitions. This signal level strongly depend on the working condition of the rocket engine. In this paper, based on the statistic-narrow-band (SNB) model and the latest version of the HITEMP2010 line-by-line database, a database of spectral radiation calculation parameters for methane combustion products, H₂O and CO₂, is established. By comparing the experimental results and the line-by-line method, the correctness of the model verified. Based on this database, considering the atmospheric detection band of the typical rocket plume infrared radiation signals, the un-attenuated and attenuated by the long atmospheric path are predicted, (2.7 and 4.3μm band) spectral radiance of the high temperature mixed gases (H₂O and CO₂) at different altitude are predicted. The model prediction results compared with the experimental results, and good results obtained accurately

Citation Download Citation

Jinlu Li, Lu Bai, Jingyu Bai, Yueyuan Xu, Tianjiao Zhang, Danmeng Zhang, and Lixin Guo "Construction of narrow-band infrared radiation characteristics database for high-temperature hydrocarbon combustion media", Proc. SPIE 12057, Twelfth International Conference on Information Optics and Photonics, 120572W (1 November 2021); https://doi.org/10.1117/12.2606124

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