Infrared radiation calculation of aircraft exhaust system based on improved K-distribution models

Xijuan Zhu; Jing Ma; Ran Duan; Jie Wu; Haiyang Hu

doi:10.1117/12.2623456

27 March 2022 Infrared radiation calculation of aircraft exhaust system based on improved K-distribution models

Xijuan Zhu, Jing Ma, Ran Duan, Jie Wu, Haiyang Hu

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 1216930 (2022) https://doi.org/10.1117/12.2623456
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

Improved Grouping strategies for spectral subintervals of multi-scale multi-group full-spectrum k-distribution models have been done by considering the influences of both temperature and participating species mole ratio variations on correlated-k characteristics of the spectra of gas mixtures. Finally, evaluations are presented on the calculation of thermal images of supersonic hot jets exhausted from a Chevron ejecting nozzle under a 3–5-micron wave band.

Citation Download Citation

Xijuan Zhu, Jing Ma, Ran Duan, Jie Wu, and Haiyang Hu "Infrared radiation calculation of aircraft exhaust system based on improved K-distribution models", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 1216930 (27 March 2022); https://doi.org/10.1117/12.2623456

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