Orthogonal optimization design and experiments on explosively formed projectiles with fins

Y Li, J Wang, Z Liu, K Tang, H Wang, X Chen - International Journal of …, 2023 - Elsevier
In this study, a polygonal shell is used to produce an explosively formed projectile (EFP) with
fins for good flight stability. The forming characteristics of an EFP with fins produced by a …

Effects of control parameters of three-point initiation on the formation of an explosively formed projectile with fins

R Li, WB Li, XM Wang, WB Li - Shock Waves, 2018 - Springer
The effects of the initiation diameter and synchronicity error on the formation of fins and
stable-flight velocity of an explosively formed projectile (EFP) with three-point initiation are …

Microstructure Evolution and Deformation Mechanism of Tantalum–Tungsten Alloy Liner under Ultra-High Strain Rate by Explosive Detonation

H Fu, J Jiang, J Men, X Gu - Materials, 2022 - mdpi.com
The microstructure evolution and plastic deformation mechanism of a Ta-2.5 W liner under
the ultra-high-strain-rate conditions generated by the explosive detonation were investigated …

Formation of an Explosively Formed Penetrator Warhead Using a Step‐Shaped Charge

W Wang, Z Chen, B Yang, T **g, F Meng… - Shock and …, 2022 - Wiley Online Library
In this study, the formation mechanism of an explosively formed penetrator (EFP) with tail
fins was analyzed. Through static denotation and dynamic flight tests, the feasibility of using …

Research on feasibility of several high density materials for EFP liner and material selection criteria

L Ding, J Jiang, J Men, S Wang… - Propellants, Explosives …, 2017 - Wiley Online Library
In order to find new kinds of EFP liner materials with high density, W alloys, Ni, Mo, U, and U
alloy were selected to be tested. Both liner test and flyer plate test were carried out in …

The features of the process of forming compact elements of variable shape from metal liners for testing anti-meteoroidal protection for spacecraft

PV Kruglov, VI Kolpakov, IA Bolotina - AIP Conference Proceedings, 2021 - pubs.aip.org
For testing anti-meteoroidal protection of spacecraft, it is proposed to use charges that form
compact elemants of variable shape. Shape charges, their construction, and the process of …

Research on the computing method for the forming velocity of circumferential multiple explosive formed projectiles

Z Liang, B Chen, Y Nan, J Jiang… - The Journal of Defense …, 2020 - journals.sagepub.com
To evaluate the damage capability of circumferential multiple explosive formed projectiles
(MEFPs), it is required to predict the EFP forming velocity accurately and quickly. According …

Numerical simulations of the formation behavior of explosively formed projectiles

M Salkičević - Defense and security studies, 2022 - journals.ardascience.com
Explosively formed projectile (EFP) is a self-forging shape charged structure having very
high penetration ability compared to conventional kinetic energy projectile. The penetration …

Finite elements simulation of improvised explosively formed projectiles

R Castedo, AP Santos, JI Yenes… - Engineering …, 2018 - emerald.com
Purpose The purpose of this paper is to investigate the applicability of the LS-DYNA
software using a Lagrangian formulation in the jet formation, flight and penetration of …

[PDF][PDF] Analytical and Numerical Method of Velocity Fields for the Explosively Formed Projectiles.

O Jeremić, M Milinović, M Marković, B Rašuo - FME Transactions, 2017 - mas.bg.ac.rs
The current paper presents analytical and numerical approaches of velocity performances
estimations for the EFP (Explosively Formed Projectiles). The proposed analytical methods …