Page 23 - 《爆炸与冲击》2026年第01期

第 46 卷 李 尧，等： 结构体高速倾斜入水的尾拍载荷及姿态稳定性 第 1 期

2 80

θ=90°, α=5° θ=90°, α=5°
1 θ=80°, α=5° 60 θ=80°, α=5°
θ=60°, α=5° 40 θ=60°, α=5°
0 20
C x /10 −3 −1 C x /10 −3 −20 0

−2 −40
−60
−3
−80
−4 −100
0 25 50 75 100 125 150 175 200 280 290 300 310 320 330 340
Time/ms Time/ms
(a) Rudder 1, impact and tail-slapping stage (b) Rudder 1, cavity collapse stage
2 20
Sec tail-slapping θ=90°, α=5°
0 0 θ=80°, α=5°
θ=60°, α=5°
−2 −20
C x /10 −3 −4 2 0 θ=90°, α=5° C x /10 −3

−6 C x /10 −3 −2 θ=80°, α=5° −40
−4 First tail- θ=60°, α=5°
slapping
−8 −6 10 15 20 25 30 −60
Time/ms
−10 −80
0 25 50 75 100 125 150 175 200 280 290 300 310 320 330 340
Time/ms Time/ms
(c) Rudder 2, impact and tail-slapping stage (d) Rudder 2, cavity collapse stage
4 10
θ=90°, α=5° θ=90°, α=5°
θ=80°, α=5° θ=80°, α=5°
2 θ=60°, α=5° 0 θ=60°, α=5°
−10
0
C x /10 −3 C x /10 −3 −20
−2
−30
−4 −40

−6 −50
0 25 50 75 100 125 150 175 200 280 290 300 310 320 330 340
Time/ms Time/ms
(e) Rudder 3, impact and tail-slapping stage (f) Rudder 3, cavity collapse stage
2 20
Sec tail-slapping θ=90°, α=5°
θ=80°, α=5°
0 θ=60°, α=5°
0
C x /10 −3 −2 2 0 θ=90°, α=5° C x /10 −3 −20
C x /10 −3
−4
−2
θ=60°, α=5°
−4 θ=80°, α=5° −40
−6 −6
10 15 20 25 30
Time/ms
−8 −60
0 25 50 75 100 125 150 175 200 280 290 300 310 320 330 340
Time/ms Time/ms
(g) Rudder 4, impact and tail-slapping stage (h) Rudder 4, cavity collapse stage
图 12 尾舵轴向力系数时程曲线
Fig. 12 Time-history curves of axial force coefficient of the rudders

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