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Abstract <p>To study the effect of the height and thickness of a steel shell on the velocity of an explosively formed projectile (EFP), an EFP forming test is carried out, the EFP velocity is tested, and the EFP is soft recovered. The results show that the influence of the shell on the EFP velocity is mainly concentrated in the upper part of the liner. If the shell height is 0.5 times the charge height, the EFP velocity can reach more than 90<InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="10573_2025_2343_Article_IEq1.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="15" /> </InlineMediaObject> <EquationSource Format="TEX">\(\%\)</EquationSource> <!--CESW2501012Li-m1--> </InlineEquation> of its velocity in a situation where the shell height is equal to the charge height. By removing the lower half shell of the EFP warhead, the overall mass of the warhead can be effectively reduced without significantly affecting the EFP velocity.</p>

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Study on the Influence of Shell Structural Parameters on Explosively Formed Projectile Velocities

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • Y. B. Li,
  • J. X. Wang,
  • L. Liu,
  • R. M. Chen,
  • J. L. Wang,
  • K. Tang,
  • H. F. Wang

摘要

Abstract

To study the effect of the height and thickness of a steel shell on the velocity of an explosively formed projectile (EFP), an EFP forming test is carried out, the EFP velocity is tested, and the EFP is soft recovered. The results show that the influence of the shell on the EFP velocity is mainly concentrated in the upper part of the liner. If the shell height is 0.5 times the charge height, the EFP velocity can reach more than 90 \(\%\) of its velocity in a situation where the shell height is equal to the charge height. By removing the lower half shell of the EFP warhead, the overall mass of the warhead can be effectively reduced without significantly affecting the EFP velocity.