Infrared and Laser Engineering, Volume. 50, Issue 12, 20210182(2021)
Beam deflection correction model of wedge-shaped shock waves over hypersonic vehicles
Figures & Tables(10)
![Load layout[28] and wedge-shaped structure of preliminary vehicle](/Images/icon/loading.gif){kind=icon}
Fig. 2. Load layout[28] and wedge-shaped structure of preliminary vehicle
Fig. 3. Deflection angles due to shock wave surfaces at different Mach numbers and angles of incidence
Fig. 4. CFD results of wedge shock waves at different Mach numbers
Fig. 5. Linear relationships between deflection angles and shock wave
Fig. 6. Comparison of parameters used in numerical calculation and simplified model
Table 1. Shock angles and density ratios at different Mach numbers
View tableView in ArticleTable 1. Shock angles and density ratios at different Mach numbers
Ma $\;\beta$ ${\rho _2}/{\rho _1}$ 5.0 0.3039 1.8491 5.5 0.2861 1.9436 6.0 0.2716 2.0393 6.5 0.2596 2.1359 7.0 0.2495 2.2330 7.5 0.2410 2.3301 8.0 0.2336 2.4270
Table 2. Deflection angles due to the shock wave surfaces at different Mach numbers and angles of incidence (Unit: (
" ))View tableView in ArticleTable 2. Deflection angles due to the shock wave surfaces at different Mach numbers and angles of incidence (Unit: (
" ))Ma 10° 20° 30° 40° 50° 5.0 0.6040 1.2468 1.9778 2.8745 4.0825 5.5 0.6713 1.3856 2.1979 3.1943 4.5368 6.0 0.7394 1.5262 2.4209 3.5184 4.9971 6.5 0.8081 1.6680 2.6459 3.8454 5.4615 7.0 0.8771 1.8105 2.8720 4.1740 5.9282 7.5 0.9462 1.9532 3.0982 4.5028 6.3952 8.0 1.0152 2.0955 3.3239 4.8308 6.8611
Table 3. Measurement errors of shock wave angles at different Mach numbers (Unit: (
" ))View tableView in ArticleTable 3. Measurement errors of shock wave angles at different Mach numbers (Unit: (
" ))5.0 5.5 6.0 6.5 7.0 7.5 8.0 $\Delta \beta $ 0.0357 0.0806 0.0328 0.0431 0.0048 0.0606 0.0193
Table 4. Process parameters at different Mach numbers ( )
View tableView in ArticleTable 4. Process parameters at different Mach numbers ( )
Ma 5.0 6.0 7.0 8.0 0° 0.000 0.0000 0.0000 0.0000 0.5° 0.1890 0.2231 0.2528 0.2777 1° 0.3759 0.4427 0.5002 0.5479 1.5° 0.5606 0.6585 0.7420 0.8103 2.0° 0.7428 0.8703 0.9779 1.0648 2.5° 0.9225 1.0781 1.2080 1.3114 3.0° 1.0995 1.2816 1.4320 1.5500 3.5° 1.2737 1.4808 1.6499 1.7808 4.0° 1.4450 1.6756 1.8618 2.0038 4.5° 1.6134 1.8660 2.0676 2.2191 5.0° 1.7788 2.0519 2.2673 2.4269
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Bing Chen, Yong Zheng, Bin Xu, Houtian Zhang, Zhanglei Chen. Beam deflection correction model of wedge-shaped shock waves over hypersonic vehicles[J]. Infrared and Laser Engineering, 2021, 50(12): 20210182
Paper Information
Category: Optical design
Received: Mar. 17, 2021
Accepted: --
Published Online: Feb. 9, 2022
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