Chinese Optics, Volume. 15, Issue 2, 259(2022)
Infrared radiation characteristics of high-altitude off-orbit engine plume
Fig. 2. Schematic diagram of computational domain and observation angle
Fig. 3. Temperature fraction of exhaust plume at different attack angles
Fig. 4. Temperature nephogram of exhaust plume at different inlet velocities
Fig. 5. CO2 mass fraction nephogram of exhaust plume at different attack angles
Fig. 6. H2O mass fraction nephogram of exhaust plume at different attack angles
Fig. 7. Comparison of radiative heat flux in 2.65~3.00 μm wave band
Fig. 8. Comparison of radiative heat flux in 3.70~4.95 μm wave band
Fig. 9. Comparison of radiative heat flux in 8.00~13.5 μm wave band
Fig. 10. Comparison of radiative heat flux at different wave bands and different inlet velocities
Table 1. Radiative heat fluxes at different observation positions (W/cm2)
View tableView in ArticleTable 1. Radiative heat fluxes at different observation positions (W/cm2)
Waveband/μm Location 1 Location 2 No wind Wind 90° Wind 135° 5000 m/s 6000 m/s No wind Wind 90° Wind 135° 5000 m/s 6000 m/s 2.65~3 5.07×10−14 1.82×10−11 3.94×10−11 2.40×10−11 2.77×10−11 1.25×10−17 6.13×10−15 1.33×10−14 7.84×10−15 8.81×10−15 3.7~4.95 7.00×10−13 7.84×10−11 1.32×10−10 1.13×10−10 1.13×10−10 5.42×10−18 1.37×10−14 2.51×10−14 2.11×10−14 2.14×10−14 8~13.5 1.79×10−14 4.37×10−12 7.22×10−12 6.40×10−12 6.32×10−12 6.60×10−17 2.24×10−14 3.74×10−14 3.31×10−14 3.25×10−14
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Hong-ru ZHENG, Yan MA, Lin-dong FAN, Xiang REN. Infrared radiation characteristics of high-altitude off-orbit engine plume[J]. Chinese Optics, 2022, 15(2): 259
Category: Original Article
Received: Dec. 28, 2021
Accepted: Jan. 22, 2022
Published Online: Mar. 28, 2022
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