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Journal of Projectiles, Rockets, Missiles and Guidance >

2025 , Vol. 45 >Issue 1: 85 - 92

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2025.01.012

Analysis of Influence Factors of Vertical Bayonet-chamber of Heavy Calibre Naval Gun Projectile

  • LIU Ruiqing , 1 ,
  • YANG Li 1 ,
  • PANG Yu 1 ,
  • XU Dongming 2 ,
  • WANG Ye 2
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  • 1 Xi'an Modern Control Technology Research Institute, Xi'an 710065,Shaanxi, China
  • 2 Liaoshen Industrial Group Co., Ltd., Shenyang 110045, Liaoning, China

Received date: 2024-07-05

  Online published: 2025-03-12

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Abstract

In order to study the influence factors of vertical bayonet-chamber of heavy calibre naval gun projectile, a study is conducted using explicit dynamic finite element numerical simulation and multi-body dynamic simulation, combined with experimental data analysis and comparison. The influence of various factors on bayonet-chamber is obtained by analyzing bayonet-chamber velocity, copper strip width, copper strip outer diameter, dynamic friction coefficient, and the relationshipe between entry chamber velocity and bayonet-chamber velocity. The results are as follow: the established explicit dynamic numerical simulation method can effectively simulate the process of bayonet-chamber, and the simulation results are consistent with the experimental results. The main factors affecting the bayonet-chamber depth and force are the bayonet-chamber velocity and copper strip width, while the bayonet-chamber overload depends on the bayonet-chamber velocity. To ensure the bayonet-chamber reliability under maximum deviation attitude of projectile, the entry chamber velocity should not be less than 6.35 m/s.

Key words： vertical bayonet-chamber; finite element method; bayonet-chamber velocity; bayonet-chamber force

Cite this article

LIU Ruiqing , YANG Li , PANG Yu , XU Dongming , WANG Ye . Analysis of Influence Factors of Vertical Bayonet-chamber of Heavy Calibre Naval Gun Projectile[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2025 , 45(1) : 85 -92 . DOI: 10.15892/j.cnki.djzdxb.2025.01.012

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