Infrared and Laser Engineering, Volume. 53, Issue 12, 20240196(2024)
Flow and infrared radiation characteristics of high-altitude plume in thin atmosphere
Figures & Tables(14)
Fig. 1. Comparison of normalized number density between measured and calculated results
Fig. 2. Comparison of radiance of the high-altitude plume between papers and calculated results
Fig. 3. Distribution of the high-altitude plume flow characteristics for A1 to A6 cases
Fig. 4. Spectral radiance and spectral intensity of the high-altitude plume for A1 to A6 cases
Fig. 5. Plume radiance images of the high-altitude plume of 2.7 μm (upper) and 4.3 μm (lower) bands for A2, A4 and A6 cases (from left to right)
Fig. 6. Plume radiance images of the high-altitude plume of 2.7 μm (upper) and 4.3 μm (lower) bands for B2, B4 and B6 cases (from left to right)
Fig. 7. Distribution of the high-altitude plume flow characteristics for C1 to C6 cases
Fig. 8. Spectral radiance and spectral intensity of the high-altitude plume for C1 to C6 cases
Fig. 9. Plume radiance images of the high-altitude plume of 2.7 μm (upper) and 4.3 μm (lower) bands for C1, C3 and C5 cases (from left to right)
Fig. 10. Plume radiance images of the high-altitude plume of 2.7 μm (upper) and 4.3 μm (lower) bands for D1, D3 and D5 cases (from left to right)
Fig. 11. Boundary characteristics of separation wave boundary of the high-altitude plume for different cases
Fig. 12. Characteristics of radiant intensity in typical bands of the high-altitude plume for different cases
Table 1. Calculation conditions for different jet conditions
View tableView in ArticleTable 1. Calculation conditions for different jet conditions
ID Jet conditions Free stream conditions Number density Temperature/K Gas Number density Velocity/m·s–1 Temperature/K Gas A1 6.56×1022 1400 CO2 1.1×1020 727 21 N2 A2 3.56×1023 1400 CO2 1.1×1020 727 21 N2 A3 6.56×1023 1400 CO2 1.1×1020 727 21 N2 A4 3.56×1024 1400 CO2 1.1×1020 727 21 N2 A5 6.56×1024 1400 CO2 1.1×1020 727 21 N2 A6 3.56×1025 1400 CO2 1.1×1020 727 21 N2 B1 3.56×1024 800 CO2 1.1×1020 727 21 N2 B2 3.56×1024 1000 CO2 1.1×1020 727 21 N2 B3 3.56×1024 1200 CO2 1.1×1020 727 21 N2 B4 3.56×1024 1400 CO2 1.1×1020 727 21 N2 B5 3.56×1024 1600 CO2 1.1×1020 727 21 N2 B6 3.56×1024 1800 CO2 1.1×1020 727 21 N2
Table 2. Calculation conditions for different free stream density
View tableView in ArticleTable 2. Calculation conditions for different free stream density
ID Jet conditions Free stream conditions Number density Temperature/K Gas Number density Velocity/m·s–1 Temperature/K Gas C1 3.56×1024 1400 CO2 1.1×1019 727 21 N2 C2 3.56×1024 1400 CO2 5.1×1019 727 21 N2 C3 3.56×1024 1400 CO2 1.1×1020 727 21 N2 C4 3.56×1024 1400 CO2 5.1×1020 727 21 N2 C5 3.56×1024 1400 CO2 1.1×1021 727 21 N2 C6 3.56×1024 1400 CO2 5.1×1021 727 21 N2 D1 3.56×1024 1400 CO2 1.1×1020 327 21 N2 D2 3.56×1024 1400 CO2 1.1×1020 527 21 N2 D3 3.56×1024 1400 CO2 1.1×1020 727 21 N2 D4 3.56×1024 1400 CO2 1.1×1020 927 21 N2 D5 3.56×1024 1400 CO2 1.1×1020 1127 21 N2 D6 3.56×1024 1400 CO2 1.1×1020 1327 21 N2
Tools
Get Citation
Copy Citation Text
Xingdong BAO, Xuehe ZHENG, Yuan TIAN, Zhenhua WANG, Sihui WANG, Zhihe XIAO. Flow and infrared radiation characteristics of high-altitude plume in thin atmosphere[J]. Infrared and Laser Engineering, 2024, 53(12): 20240196
Paper Information
Category: 红外技术及应用
Received: May. 8, 2024
Accepted: --
Published Online: Jan. 16, 2025
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20