Diankai Wang, Jilin Shi, Zexu Qing. Numerical study of shock wave drag reduction mechanism by nanosecond-pulse laser energy deposition[J]. Infrared and Laser Engineering, 2021, 50(3): 20200253
- Infrared and Laser Engineering
- Vol. 50, Issue 3, 20200253 (2021)
Fig. 1. Initial temperature of hot core
Fig. 2. Specific heat capacity and viscosity of air plasma
Fig. 3. Comparison between simulation and experiment of shock wave radius
Fig. 4. Schlieren images and density gradient contours of hot core at t = 60 μs, t = 90 μs and t = 120 μs
Fig. 5. Contours of density gradient and pressure at t = 7 μs
Fig. 6. Contours of density gradient and pressure at t = 22 μs
Fig. 7. Boundary conditions and grid division
Fig. 8. Comparison of density gradient contour and schlieren image without laser energy deposition
Fig. 9. Curves of normalized wave drag with single pules laser energy deposition
Fig. 10. Contours of density gradient and pressure at t = 36.5 μs
Fig. 11. Contours of density gradient and pressure at t = 47.3 μs
Fig. 12. Contours of density gradient and pressure at t = 53.2 μs
Fig. 13. Contours of density gradient and pressure at t = 150 μs
Fig. 14. Contours of density gradient and pressure at t = 220 μs
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Table 1. [in Chinese]
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