Results 201 to 210 of about 6,233 (257)
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Computational fluid-dynamic modeling of the internal ballistics of paraffin-fueled hybrid rocket
Aerospace Science and Technology, 2019Computational fluid dynamics is becoming a key tool for reducing the hybrid rocket operation uncertainties and development cost, but numerous challenges, due to the complexity of modeling the solid fuel consumption mechanism and the interaction with the ...
G. D. D. Martino +3 more
semanticscholar +1 more source
Soft body armor time-dependent back face deformation (BFD) with ballistics gel backing
Composite structures, 2019This paper presents a method for obtaining time dependent back face deformation (BFD) data for body armor during ballistic impact using a clear ballistics gelatin backing and high-speed cameras to capture the deformation profile.
T. Goode +4 more
semanticscholar +1 more source
Journal of Trauma and Acute Care Surgery, 2019
The wound ballistics literature contains several misconceptions about the physical effects of penetrating projectiles in tissue and tissue simulants.
Panagiotis K. Stefanopoulos +5 more
semanticscholar +1 more source
The wound ballistics literature contains several misconceptions about the physical effects of penetrating projectiles in tissue and tissue simulants.
Panagiotis K. Stefanopoulos +5 more
semanticscholar +1 more source
Gunshot Wounds: Ballistics and Imaging Findings.
Seminars in ultrasound, CT, and MR, 2019Ballistic traumas are defined by a projectile entering the body. Such projectiles include bullets, birdshot, and metal fragments from the covering or the contents of an explosive device.
A. Pinto +6 more
semanticscholar +1 more source
Ballistic Trauma: Wound Ballistics—An Overview
Wound ballistics is the specialty in ballistics dealing with the interaction of bullet and tissue, resulting in lesions when humans or animals are hit. The lesions depend on the velocity and mass of the bullet as well as its design. Bullets are divided into low- and high-velocity bullets.openaire +2 more sources
Individual synthetic head models in wound ballistics - A feasibility study based on real cases.
Forensic Science International, 2019Synthetic models, also called "surrogates", are commonly used in wound ballistics in order to simulate human tissues. Despite several surrogates are worldwide accepted and used; some of them have not been yet fully validated and their limits for forensic
F. Riva +4 more
semanticscholar +1 more source
The Journal of Trauma: Injury, Infection, and Critical Care, 1988
Shotguns are popular world wide and more of these weapons exist than the rifled types. With an increasing incidence and prevalence of gunshot wounds it is important for traumatologists to be familiar with shotgun wound ballistics. Shotgun wounds differ from those of other missiles because the spectrum of wound severity is large owing to the fact that ...
G J, Ordog +2 more
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Shotguns are popular world wide and more of these weapons exist than the rifled types. With an increasing incidence and prevalence of gunshot wounds it is important for traumatologists to be familiar with shotgun wound ballistics. Shotgun wounds differ from those of other missiles because the spectrum of wound severity is large owing to the fact that ...
G J, Ordog +2 more
openaire +2 more sources
Percolation on ballistic aggregates
Physical Review B, 1989We have studied site percolation on ballistic aggregates on a two-dimensional square lattice with a single seed particle. A percolating path is defined as the path connecting the seed to a surface particle. The fraction of the connected surface particles is found to obey a scaling relation. The percolation threshold is obtained at p≅0.97. This gives us
, Limaye, , Amritkar
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Ballistic deposition of clusters
Physica A: Statistical Mechanics and its Applications, 1990Random ballistic deposition of clusters is studied by means of a simple model built on a two-dimensional square lattice in which initially the sites are randomly occupied with concentration c to form connected clusters. Then these clusters are allowed to fall along vertical trajectories until they stick to the cluster in contact with the basal ...
Pellegrini, Yves-Patrick, Jullien, Rémi
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Ergonomics, 1988
A mathematical model is developed for ballistic arm movements in an underwater environment. Characteristics of the arm moving in water, the ‘induced’ moment of inertia and drag coefficient, are found from experiments on an artificial arm. These data, along with the mathematical model, are used to predict underwater movement times from experimental data
E R, Hoffmann, K C, Gan
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A mathematical model is developed for ballistic arm movements in an underwater environment. Characteristics of the arm moving in water, the ‘induced’ moment of inertia and drag coefficient, are found from experiments on an artificial arm. These data, along with the mathematical model, are used to predict underwater movement times from experimental data
E R, Hoffmann, K C, Gan
openaire +2 more sources