Results 11 to 20 of about 887 (248)

Ballistics of Standard Fragments used for Testing Ballistic Protecting Shields [PDF]

Problemy Mechatroniki, 2014
Some aspects of propelling systems and external ballistics for 5.56 mm and 20 mm standard fragments called also fragment simulating projectiles (FSP) used for determining the level of ballistic protection for ballistic protective shields are presented in
Andrzej WRÓBLEWSKI, Monika PRACHT
doaj   +3 more sources

Robust Optimization Design of the Aerodynamic Shape and External Ballistics of a Pulse Trajectory Correction Projectile

Applied Sciences, 2023
To improve the tactical and technical performance of pulse correction projectiles while maintaining stability in uncertain conditions and considering practical engineering constraints, this study performs a multi-objective robust optimization design of ...
Bingnan Xing, Chengxin Du, Zhonghua Du, Wenxin Yang   +3 more
doaj   +2 more sources

The Tuning of a CFD Model for External Ballistics, Followed by Analyses of the Principal Influences on the Drag Coefficient of the .223 Rem Caliber

Technologies
This paper presents the subject of external ballistics. The presented research employs a contemporary methodological approach, integrating theoretical analysis, CFD simulations, and experimental measurements.
Jiří Maxa, Pavla Šabacká, Robert Bayer, Tomáš Binar, Petr Bača, Jana Švecová, Jaroslav Talár, Martin Vlkovský, Lenka Dobšáková   +8 more
doaj   +2 more sources

Dispersion sensitivity analysis & consistency improvement of APFSDS

Defence Technology, 2017
The purpose of this study is to investigate and quantify some possible sources of dispersion of 120 mm APFSDS tank ammunition both experimentally and numerically.
Sangeeta Sharma Panda, L.K. Gite, A. Anandaraj, R.S. Deodhar, D.K. Joshi, K.M. Rajan   +5 more
doaj   +2 more sources

The ballistic performance of the bombard Mons Meg

Defence Technology, 2016
The bombard Mons Meg, located in Edinburgh Castle, with a diameter of 19 inches (48 cm), was one of the largest calibre cannons ever built. Constructed in 1449 and presented to King James II of Scotland in 1454, Mons Meg was used in both military and ...
Ian Lewtas, Rachael McAlister, Adam Wallis, Clive Woodley, Ian Cullis   +4 more
doaj   +2 more sources

External ballistics of Pleistocene hand-thrown spears: experimental performance data and implications for human evolution. [PDF]

Sci Rep, 2019
The appearance of weaponry - technology designed to kill - is a critical but poorly established threshold in human evolution. It is an important behavioural marker representing evolutionary changes in ecology, cognition, language and social behaviours ...
Milks A, Parker D, Pope M.
europepmc   +2 more sources

Study of the temporal distribution density of the shot sheaf span to create a simulation model of the optical sensor signal

Компьютерная оптика, 2021
When studying the space path of a cloud of pellets from a shotgun and evaluating its parameters, it is advisable to have a simulation model of the optical sensor signal when a shot sheaf crosses the light screen.
A.Yu. Vdovin
doaj   +1 more source

Comparative Analysis of Trajectory of 7.62 × 51 mm Projectiles Fired at Different Initial Velocities [PDF]

Problemy Mechatroniki, 2022
The subject of the analysis involves the trajectories of 7.62 mm Lapua Scenar GB432 projectiles and “Ball” lead core projectiles manufactured by MESKO S.A. (Poland) fired at different initial velocities from 16, 20 and 26 inch long barrels.
Grzegorz LEŚNIK, Małgorzata PAC, Łukasz SZMIT   +2 more
doaj   +1 more source

New Cartridge Design for Assault Rifle [PDF]

Problemy Mechatroniki, 2020
The article deals with the possible design of a new cartridge for an automatic assault rifle. This hypothetical design is based on the analysis of five automatic assault rifle cartridges which are currently used in armies: 7.62×51 mm NATO, 7.62×39 mm M ...
Peter LISY, Martin DANIEL
doaj   +1 more source