杆式射流水下侵彻性能数值模拟及试验研究

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振动与冲击 ›› 2025, Vol. 44 ›› Issue (6) : 121-129.

冲击与爆炸

杆式射流水下侵彻性能数值模拟及试验研究

张雪梅1,2，谢兴博1，钟明寿*1，顾文彬1，沈朝虎3

作者信息 +

Numerical simulation and experimental study on the underwater penetration performance of a jetting projectile charge

ZHANG Xuemei1,2，XIE Xingbo1，ZHONG Mingshou*1，GU Wenbin1，SHEN Chaohu3

Author information +

文章历史 +

摘要

为了提高聚能装药战斗部从空中打击水中目标的准确性，建立了杆式射流从空气中成型至射流水下侵彻靶板全过程的分阶段递进式数值计算模型，并通过静破甲试验校核了计算模型，提高了计算模型的精度，误差为5 %以内。试验中采用通断测速网靶测出了聚能射流入水前、入水后以及着靶前的速度，其最小误差率为0.39%，平均误差率为4.16%。通过研究发现了杆式射流入水前和入水后的速度呈线性减小，着靶前速度呈线性增大的变化规律；杆式射流在水中的破甲深度随着空气炸高的增大，有先增加后减小的变化规律；聚能装药在水中的最佳炸高为4.89倍的装药直径，水中最大的侵彻深度为1.3倍的装药直径。为聚能装药战斗部在空气中隔水打击水中目标的研究提供了依据与参考。

Abstract

In order to improve the accuracy of shaped charge warhead striking underwater targets from air, a phased progressive numerical calculation model for the whole process of rod jet forming from air to underwater penetration of jet into target plate was established. The calculation model was verified by static penetration test, which improved the accuracy of the calculation model, and the error was within 5 %. In the experiment, the velocity of the shaped charge jet before entering the water, after entering the water and before the target is measured by using the on-off velocity measurement network target. The minimum error rate is 0.39 % and the average error rate is 4.16 %. Through the study, it is found that the velocity of the rod jet before and after entering the water decreases linearly, and the velocity before the target increases linearly. The penetration depth of rod jet in water increases first and then decreases with the increase of air explosion height. The optimum explosion height of shaped charge in water is 4.89 times the charge diameter, and the maximum penetration depth in water is 1.3 times the charge diameter. It provides a basis and reference for the research of shaped charge warhead in the air to isolate water and hit underwater targets.

导出引用

张雪梅1, 2, 谢兴博1, 钟明寿1, 顾文彬1, 沈朝虎3. 杆式射流水下侵彻性能数值模拟及试验研究[J]. 振动与冲击, 2025, 44(6): 121-129

ZHANG Xuemei1, 2, XIE Xingbo1, ZHONG Mingshou1, GU Wenbin1, SHEN Chaohu3. Numerical simulation and experimental study on the underwater penetration performance of a jetting projectile charge[J]. Journal of Vibration and Shock, 2025, 44(6): 121-129

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