Jie MA, Xiaobing WANG, Hongli WANG, Qinglin NIU, Shikui DONG. Evaluation and reconstruction of afterburning reaction kinetics of rocket exhaust plume[J]. Infrared and Laser Engineering, 2024, 53(7): 20240112
- Infrared and Laser Engineering
- Vol. 53, Issue 7, 20240112 (2024)
Fig. 1. Comparison of flow structures between calculated and measured results
Fig. 2. Comparison of the spectral intensity between calculated and measured data
Fig. 3. Computational domain and grid distribution
Fig. 4. Temperatures on the centerline for different grid numbers
Fig. 5. Comparison of plume temperature for five chemical reaction models
Fig. 6. Comparison of reaction release heat for five chemical reaction models
Fig. 7. Comparison of temperatures on the centerline for different chemical reaction models
Fig. 8. Comparison of area cumulative temperature for different chemical reaction models
Fig. 9. Mole fraction contours of CO2 and H2O for five chemical reaction models
Fig. 10. Mole fraction of main species for five chemical reaction models
Fig. 11. Mole fraction of CO and H2 in the plume radial direction for the five chemical reaction models
Fig. 12. Comparison of spectral intensity for five chemical reaction models and measured data
Fig. 13. Comparison of IR images for five chemical reaction models
Fig. 14. Radiances within different bands for five chemical reaction models
Fig. 16. Error distribution of reaction rate between reference and measured data
Fig. 17. Comparison of spectral intensity calculated and experimental data
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Table 1. Mole fraction of BEM-Ⅱ species on the exit plane
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Table 2. Difference of reaction kinetics for five CO/H2 systems
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Table 3. Proposed chemical reaction kinetics of the H2/CO system
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Table 4. Error distribution of radiances within the representative three bands
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