衡重参数对超空泡射弹有效射程的影响

doi:10.12382/bgxb.2021.0319

摘要/Abstract

摘要： 为研究衡重参数对超空泡射弹有效射程的影响，基于流体体积多相流模型和刚体空间运动方程组，建立超空化流场和刚体运动相耦合的仿真方法，通过与文献\[23\]试验结果对比验证仿真方法的合理性。通过仿真计算研究超空泡射弹的水下弹道运动特性，获得质心位置、质量等典型衡重参数对射弹有效射程的影响规律。研究结果表明：超空泡射弹的水下弹道具有稳定尾拍现象，尾拍的波长和振幅近似恒定；后移质心可有效增加超空泡射弹的水下增程，质心位置后移9%，水下射程提高14%；增加射弹质量可显著增加水下射程，质量增大150%，水下射程提高70%。

关键词: 超空泡射弹, 衡重参数, 有效射程, 弹道特性

Abstract: To obtain the influence of weight parameters on the effective range of supercavitation projectile，a coupling numerical method of supercavitation flow and rigid body motion is established based on the VOF multiphase flow model and the space motion equations of rigid body. The proposed method is validated by the experimental data in literature Ref\[23\]. The underwater ballistic characteristics of supercavitation projectile were studied，and the influence of typical weight parameters，such as centroid position and mass，on the effective range of the projectile were obtained. The results show that the underwater trajectory of supercavitation projectile has a stable tail-slap phenomenon，and the wavelength and amplitude of tail-slap keep approximately constant. Increasing the distance of centroid position away from the cavitator can effectively increase the underwater range of supercavitation projectile. The range of supercavitation projectile is increased by 14% when the centroid distance is increased by 9%. The mass of supercavitation projectile can be increased to significantly increase the underwater range. The range of supercavitation projectile increases by 70% when its mass is increased by 150%.

Key words: supercavitationprojectile, weightparameters, effectiverange, ballisticcharacteristics

中图分类号:

TJ630

古鉴霄，党建军，黄闯，李代金，刘富强. 衡重参数对超空泡射弹有效射程的影响[J]. 兵工学报, 2022, 43(6): 1376-1386.

GU Jianxiao， DANG Jianjun， HUANG Chuang， LI Daijin， LIU Fuqiang. Influence of Weight Parameters on the Effective Range of Supercavitation Projectile[J]. Acta Armamentarii, 2022, 43(6): 1376-1386.

参考文献

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