Results 31 to 40 of about 9,609 (252)

Art in Internal Ballistics

open access: yesDefence Science Journal, 1982
A review of the computations in Internal Ballistic Systems for developing pressure and velocity space curves, called primary problem and differential variations due to change in initial phase space of loading conditions, called secondary problem, is presented.
K.S. Bhaskara Rao, K. C. Sharma
openaire   +1 more source

A comparison of penetration and damage caused by different types of arrowheads on loose and tight fit clothing [PDF]

open access: yes, 2018
Bows and arrows are used more for recreation, sport and hunting in the Western world and tend not to be as popular a weapon as firearms or knives. Yet there are still injuries and fatalities caused by these low-velocity weapons due to their availability ...
Beattie, Eilidh   +5 more
core   +2 more sources

Development of Mortar Simulator with Shell-In-Shell System – Problem of External Ballistics

open access: yesShock and Vibration, 2007
The shell-in-shell system used in the mortar simulator raises a number of non-standard technical and computational problems starting from the requirement to distribute the propelling blast energy between the warhead and the ballistic barrel, finishing ...
A. Fedaravicius   +2 more
doaj   +1 more source

Numerical Simulations of the Internal Ballistics of Paraffin–Oxygen Hybrid Rockets at Different Scales

open access: yesAerospace, 2021
Hybrid rockets are considered a promising future propulsion alternative for specific applications to solid or liquid rockets. In order to raise their technology readiness level, it is important to perform predictive numerical simulations of their ...
Mario Tindaro Migliorino   +2 more
doaj   +1 more source

Ballistic Analysis of Polish Low-Vulnerability Gun Propellants [PDF]

open access: yesProblemy Mechatroniki, 2018
One direction of modern artillery ammunition development is to reduce its vulnerability to the effects of mechanical and thermal factors during transport, storage and operation.
Marta CZYŻEWSKA   +5 more
doaj   +1 more source

Internal Ballistics of Guns [PDF]

open access: yesNature, 1952
Internal Ballistics (Published for the Ministry of Supply.) Pp. x + 311. (London: H.M. Stationery Office, 1951.) 25s. net.
openaire   +1 more source

The principles of internal Ballistics [PDF]

open access: yesProceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 1921
1. This paper contains the results of an investigation carried out at the Research Department, Royal Arsenal, Woolwich. It is published by permission of the War Office. The principal features are the methods of determination of the rates of burning of propellants and the treatment of the mathematical equations relating to the motion of the shot in the ...
openaire   +1 more source

A platform for discovering and sharing confidential ballistic crime data. [PDF]

open access: yes, 2011
Criminal investigations generate large volumes of complex data that detectives have to analyse and understand. This data tends to be "siloed" within individual jurisdictions and re-using it in other investigations can be difficult.
Akhgar, Babak   +4 more
core   +1 more source

Experimental Research on the Influences of Head Shape and Surface Properties on the Water Entry Cavity

open access: yesJournal of Marine Science and Engineering, 2022
Addressing the problem of the influence of surface properties on the cavity in the process of a moving body entering water, especially the problems of water entry speed and the cavitation evolution of the round-head, air-delivered projectile that has ...
Yao Shi   +3 more
doaj   +1 more source

Low-speed impact craters in loose granular media [PDF]

open access: yes, 2003
We report on craters formed by balls dropped into dry, non-cohesive, granular media. By explicit variation of ball density $\rho_{b}$, diameter $D_{b}$, and drop height $H$, the crater diameter is confirmed to scale as the 1/4 power of the energy of the ...
D. J. Durian   +10 more
core   +3 more sources

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