Page 132 - 《爆炸与冲击》2026年第10期

第 46 卷 梁俊宣，等： 入射角与攻角对弹体侵彻混凝土薄靶偏转特性的影响 第 10 期

20 6 60

45 StageⅢ StageⅣ a y v y β
StageⅠ StageⅡ t=0.28 ms ω
10
4 40
30 0 t=0 ms t=0.13 ms t=0.8 ms
t=0.25 ms
a y /(10 3 g) 15 t=0.06 ms −10 v y /(m·s −1 ) β/(°) 2 20 ω/(°·ms −1 )

−20
0 0 0
−30
t=0.17 ms
−15 −40 −2 −20
0 0.1 0.2 0.3 0.4 0 0.2 0.4 0.6 0.8
t/ms t/ms
(a) Radial deceleration and radial velocity (b) Attitude angle and angular velocity
Pressure/MPa
8.0
6.4
σ n σ n 4.8
M 1
3.2
CG CG CG 1.6
0
−1.6
σ n M 2 σ n M 3 −3.2
σ n −4.8
−6.4
t=0.05 ms t=0.16 ms t=0.27 ms −8.0
(c) Force on the projectile at typical moment
Damage
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
Damaged region Damaged region 0.2
0.1
0
t=0.10 ms t=0.14 ms
(d) Damage cloud diagram of the target at typical moments
图 13 α=3°、φ=30°时弹体侵彻过程
Fig. 13 Penetration process of the projectile at α=3° and φ=30°

−80
40 α=3°, φ=10° α=2°đφ=30°
α=3°, φ=20°
α=4°đφ=30°
30
a y /(10 3 g) 20 α=3°, φ=30° −60 α=6°đφ=30°
α=3°đφ=10°
10
0 α=3°đφ=20°
α=3°đφ=30°
−10
0 0.1 0.2 0.3 0.4 v y /(m·s −1 ) −40
t/ms −20
60 α=2°, φ=30°
α=4°, φ=30°
a y /(10 3 g) 40 α=6°, φ=30° 0
20
0 20
0 0.1 0.2 0.3 0.4 0 0.1 0.2 0.3 0.4 0.5
t/ms t/ms
(a) Radial deceleration (b) Radial velocity

图 14 入射角与攻角方向相同时弹体径向过载与径向速度随时间变化
Fig. 14 Radial deceleration and radial velocity of the projectile with the same direction of the trajectory and pitch angle

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