Page 24 - 《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

1.5 0.4

θ=90°, α=5° θ=90°, α=5°
θ=80°, α=5° 0.2 θ=80°, α=5°
1.0 θ=60°, α=5° θ=60°, α=5°
0
5
C ϕ /10 −3 0 C ϕ −0.2

−0.4
−5 −0.6

−1.0 −0.8
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
0.05 0.4
0.030 First tail-slapping θ=90°, α=5° θ=90°, α=5°
0.025
0.04 0.020 θ=80°, α=5° 0.2 θ=80°, α=5°
0.015
C ϕ 0.010 θ=60°, α=5° θ=60°, α=5°
0.03 0.005 0
−0.005 0
C ϕ 0.02 10 15 20 25 C ϕ
Time/ms −0.2
0.01
0 −0.4
Sec tail-slapping
−0.01 −0.6
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
2.0 0.2
θ=90°, α=5° θ=90°, α=5°
1.5 θ=80°, α=5° θ=80°, α=5°
1.0 θ=60°, α=5° 0.1 θ=60°, α=5°
5 0
C ϕ /10 −3 −5 0 C ϕ −0.1

−1.0
−0.2
−1.5
−2.0 −0.3
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
0.04 0.3
0.03 First tail-slapping θ=90°, α=5° θ=90°, α=5°
0.02 θ=80°, α=5° 0.2 θ=80°, α=5°
0.03 θ=60°, α=5° θ=60°, α=5°
C ϕ 0.01
0 0.1
0.02 −0.01
20
C ϕ 10 15 Time/ms 25 30 C ϕ 0
0.01
−0.1
0 −0.2
Sec tail-slapping
−0.01 −0.3
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 13 尾舵法向力系数时程曲线
Fig. 13 Time-history curves of normal force coefficient of the rudders

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