Page 14 - 《爆炸与冲击》2025年第5期

θ
−50
−100 θ
−150
−10 −200
−250
第 45 卷 王 帅，等： 锯齿外形对弹体带攻角侵彻横向过载的影响 第 5 期

40 10
θ=1°
35 Serrated, Part AL 0
30 Serrated, Part AR −10
Serrated, Part BL −20
25 Serrated, Part BR −30
F s /kN 20 F t /kN −40

15 −50 θ=1°
−60 Serrated, Part AL
10 Serrated, Part AR
−70 Serrated, Part BL
5
−80 Serrated, Part BR
0 −90
0 2 4 6 8 10 12 14 0 2 4 6 8 10 12 14
Time/ms Time/ms
(c) Axial contact force for Parts AL, AR, BL and BR (d) Transverse contact force for Parts AL, AR, BL and BR
图 12 锯齿区上下表面及左右锯齿接触力对比（1°攻角时）
Fig. 12 Comparison of contact forces between the upper and lower surfaces and the left and right
parts in the serrated areas when attack angle is 1°

两种构型弹体弹身的横向接触力沿弹尖至弹尾方向的变化趋势如图 13 所示。本文中分析的锯齿
弹弹身共分布有 5 个 V 形环槽锯齿，光滑弹的区域划分参照锯齿弹。由图可知，针对光滑弹，无论是上
锯齿面还是下锯齿面，或者是两个锯齿面之和，横向接触力沿弹尖至弹尾方向呈现峰值先增大再减小的
变化趋势，最大值出现在弹身中部附近，如图 13（a）～（b）所示。然而，针对锯齿弹，沿弹尖至弹尾方向，

80

Part B (L1+R1)
60 θ=1° Part B (L2+R2) 40
Part B (L3+R3)
40 Part B (L4+R4) 20
Part B (L5+R5)
20 0
F t /kN 0 F t /kN −20
−20 Part A (L1+R1) θ=1° Part AB (L1+R1)
−40 Part A (L2+R2) −40 Part AB (L2+R2)
Part A (L3+R3) Part AB (L3+R3)
−60 Part A (L4+R4) −60 Part AB (L4+R4)
Part A (L5+R5) Part AB (L5+R5)
−80 −80
0 2 4 6 8 10 12 14 0 2 4 6 8 10 12 14
Time/ms Time/ms
(a) Every V-groove of Part A and Part B (smooth) (b) Every V-groove of Part AB (smooth)

20 Part B (L1+R1) Part B (L2+R2)
Part B (L3+R3) Part B (L4+R4) 0
10 Part B (L5+R5)
−10
0
F t /kN −10 θ=1° F t /kN −20 θ=1°
−20
Part A (L1+R1) Part AB (L1+R1)
−30 Part A (L2+R2) −30 Part AB (L2+R2)
Part A (L3+R3) Part AB (L3+R3)
−40 Part A (L4+R4) Part AB (L4+R4)
Part A (L5+R5) −40 Part AB (L5+R5)
−50
0 2 4 6 8 10 12 14 0 2 4 6 8 10 12 14
Time/ms Time/ms
(c) Every V-groove of Part A and Part B (serrated) (d) Every V-groove of Part AB (serrated)

图 13 沿弹尖至弹尾方向两种构型弹体弹身横向接触力变化趋势对比（1°攻角时）
Fig. 13 Comparison of transverse contact forces of projectile bodies between smooth and serrated
projectiles along the direction from head to tail when attack angle is 1°

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