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High-Velocity Impact Modeling in Materials Science: A Multiscale Perspective
High-velocity impact events are ubiquitous in our modern world, from aerospace applications to ballistic impacts, and understanding how materials...
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A Microwave Discharge in High-Velocity Flows Initiated by a Half-Wave Antenna
AbstractA microwave discharge in high-velocity (150–250 m/s) air flows induced on a half-wave vibrator is studied. A cw magnetron microwave generator...
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Experimental and Theoretical Study of High-Velocity Penetration of Long Rod Projectiles into Sand
AbstractResults of computations with the use of improved modified Alekseevskii–Tate theory (IMATT) are compared to experimental data on high-velocity...
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Stabilization of the Hydrogen–Air Flame in a High-Velocity Flow by an Optical Discharge
AbstractResults of studying stabilization of a homogeneous hydrogen–air flame on an optical discharge plasma in a high-velocity flow are reported....
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Numerical Simulation of Oblique Detonation Initiation by a High-Velocity Projectile Flying in a Hydrogen–Air Mixture
AbstractA mathematical method is developed for solving the problem of detonation initiation in a hydrogen–air mixture by a small-diameter sphere...
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Numerical Simulation of the Interaction of High-Velocity Plasma Jets Injected in the Earth’s Ionosphere
AbstractThe paper presents a numerical simulation of the dynamics of high-velocity aluminum plasma jets with multiple injection in the Earth’s...
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Optimization of the Maneuver to Ensure a High Velocity of the Spacecraft Entry into the Atmosphere
AbstractThe transfer scheme that provides a parabolic entry of the spacecraft into the Earth’s atmosphere has been optimized. Such a maneuver can be...
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The Relation Between Bulge Velocity Dispersion and Disk Circular Velocity in Galaxies
We investigate the relation between the central velocity dispersion, σ c , and the circular velocity,...
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Rayleigh wave dispersion-based estimation of high-resolution 2D-subsurface shear wave velocity models: application of updated approaches
Recent developments in surface wave methods, which enable to produce fine subsurface shear-wave velocity models by processing array data of...
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Structural Transition of Ceramic Material Initiated by High-Velocity Impact
AbstractThe use of high-modulus ceramic materials under conditions simulating the screen protection of space objects from damage by fragments of...
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Kinematics of High-Velocity Stars within 300 pc from the Sun according to Gaia DR3
AbstractThe kinematics of stars from the solar neighborhood with a radius of 300 pc has been studied using the Gaia DR3 data. Our sample includes n ...
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Autonomous navigation method and technology implementation of high-precision solar spectral velocity measurement
The velocity information of spacecraft can be directly obtained by the autonomous navigation method based on astronomical spectral velocity...
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Effect of Projectile Rotation on High-Velocity Impact Fracture
AbstractThis study explores the effect of rotation of an ogival high-strength steel projectile on its fracture during high-velocity collision...
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Simulation of heating of the sensitive element of the heat flux sensors in a high-velocity flow under variable input conditions
The paper presents the results of numerical simulations of high-velocity turbulent air flows in a plane channel with a variable cross section...
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DM Velocity Distribution and Velocity Integral
We have focused so far on the interaction of Dark Matter particles with nuclei, as their differential scattering cross section is a fundamental...
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High velocity oxy-fuel (HVOF) sprayed coating nanoarchitectonics: influence of reduced graphene oxide (rGO) on tribological characteristics
In thermally sprayed tungsten carbide–cobalt (WC–Co) coatings, the hard WC particles perform as the wear-resistant part, while the cobalt act as...
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Electromagnetic radiation at extreme angular velocity
We consider a system rotating at extremely high angular velocity, so that its matter is found mostly at the light-cylinder. We posit that it can be...
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Features of High-Velocity Interaction of Various Types of Impactors with Targets in a Wide Range of Impact Velocity
Experimental study of penetration shell projectiles and rod like projectiles against massive steel targets was conducted. The steel targets was...
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On the formation of porosity in hydroxyapatite/polyester high-velocity oxygen-fuel sprayed coatings and their electrochemical behavior in simulated body fluid
Orthopedic implants play a crucial role in restoring the function and life quality of the population with musculoskeletal disorders. However, implant...
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EXPERIMENTAL METHOD FOR STUDYING THE INTERACTION PROCESSES OF HIGH-VELOCITY IMPACTORS WITH MULTILAYER TRANSPARENT ARMOR
AbstractAn experimental method is developed that makes it possible to visualize the onset and spreading of damage in each layer of transparent armor....
