Liang Xu, Luyang Wang, Ziming Wan, Shiwei Zhao, Liye Zhou, Tao Wang. Influence of different altitudes on deviation of aero-optics imaging of 0°-15° angle of attack[J]. Infrared and Laser Engineering, 2023, 52(5): 20220671
- Infrared and Laser Engineering
- Vol. 52, Issue 5, 20220671 (2023)
Fig. 1. Flowchart of numerical simulation of computational fluid dynamics
Fig. 2. (a) 2D model; (b) 3D model; (c) Meshing of 3D model
Fig. 3. Three-dimensional relative motion relationship between the missile and the target
Fig. 4. Average flow field density distribution in the head of the vehicle at different altitudes (Sample 1)
Fig. 5. Average flow field density distribution in the head of the vehicle at different altitudes (Sample 2)
Fig. 6. Refractive index distributions of backward ray tracing at different altitudes (Sample 3)
Fig. 7. Aero-optics imaging deviation (Sample 4)
Fig. 8. Aero-optics imaging deviation slope (Sample 4)
Fig. 9. Aero-optics imaging deviation (Sample 5)
Fig. 10. Aero-optics imaging deviation slope (Sample 5)
Fig. 11. Aero-optics imaging deviation (Sample 6)
Fig. 12. Aero-optics imaging deviation slope (Sample 6)
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Table 1. Distribution of pressure, temperature, and density with altitudes
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Table 2. Range of flight parameters calculated by simulation
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Table 3. Flight condition
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