Results 31 to 40 of about 25,141 (308)

Extent of Forensic Practices of Police Investigators: A Basis for Enhancement Plan

open access: yesJPAIR, 2023
In criminal investigations, the Directorate for Investigation and Detective Management – Police investigators are required by Philippine National Police orders to conduct forensic science-based crime scene investigations.
Japhet Quiape, Ermee Joy Painaga
doaj   +1 more source

Analysis of pressure blips in aft-finocyl solid rocket motor [PDF]

open access: yes, 2016
Ballistic anomalies have frequently occurred during the firing of several solid rocket motors (SRMs) (Inertial Upper Stage, Space Shuttle Redesigned SRM (RSRM) and Titan IV SRM Upgrade (SRMU)), producing even relevant and unexpected variations of the SRM
E., Cavallini   +2 more
core   +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 ...
M. T. Migliorino   +2 more
semanticscholar   +1 more source

Optimal control of propellant consumption during vertical lifting of rocket in homogeneous atmosphere using regularized solution of integral equation of the first kind [PDF]

open access: yesINCAS Bulletin, 2020
The article is devoted to the study of the optimal control of propellant consumption during vertical lifting of rocket in homogeneous atmosphere using regularized solution of integral equation of the first kind.
Aleksey G. VIKULOV
doaj   +1 more source

Computational Evaluation of Assembly Technique Influence on Ballistic Performance of a Bullet – Non-linear Relation Between Méplat Size and the Drag Coefficient

open access: yesTechnologia i Automatyzacja Montażu, 2023
The continuous development of production and assembly techniques gives rise to the idea of followinga new approachin the small-arms ammunition design process.
Krzysztof Piasta   +2 more
doaj   +1 more source

Perspective Armour-Piercing Intermediate Cartridge Projectile [PDF]

open access: yesProblemy Mechatroniki, 2023
Ongoing military conflicts, along with a constant evolution of individual protection devices, have shown an urgent need of development in terms of the armour piercing capability of standard infantry small arms ammunition.
Krzysztof PIASTA, Przemysław KUPIDURA
doaj   +1 more source

On the Influence of Fracture Criterion on Perforation of High-Strength Steel Plates Subjected to Armour Piercing Projectile

open access: yesArchive of Mechanical Engineering, 2015
Artykuł przedstawia numeryczne badania wpływu kryterium pekania materiału na perforacje płyt ze stali pancernej 30PM pociskiem przeciwpancernym 7,6251 mm.
Tria Djalel Eddine, Trebinski Radosław
doaj   +1 more source

Projectile for a New Intermediate Cartridge [PDF]

open access: yesProblemy Mechatroniki, 2022
Evolution of contemporary military conflicts has revealed some shortcomings of existing individual small arms ammunition. The first attempts to undertake research and development works on new weapons and ammunition were made in the USA, however, some ...
Krzysztof PIASTA   +2 more
doaj   +1 more source

X-Ray Tomography To Measure Size Of Fragments From Penetration Of High-Velocity Tungsten Rods [PDF]

open access: yes, 2012
Behind-armor debris that results from tungsten rods penetrating armor steel at 2 km/s was studied by analysis of recovered fragments. Fragment recovery was by means of particle board. Individual fragments were analyzed by x-ray tomography, which provides
Bless, S.   +5 more
core   +1 more source

Results of experimental research of wound ballistics of separate types and calibers of modern bullets

open access: yesMedičnì Perspektivi, 2021
There was made the analysis of wound ballistics of modern expansive bullets in comparison with shell bullets on 25 blocks of ballistic plasticine (ROMA PLASTILINA No.
V. Tsymbalyuk   +6 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy