Results 31 to 40 of about 887 (248)

A diagram to facilitate the study of external ballistics [PDF]

Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 1916
Abstract The semi-graphical method about to do described enables solutions of many dynamical problems of a practical nature to do obtained with ease and rapidity. In particular, useful solutions can be found of problems relating to motion in a resisting medium in cases where the resistance is given as a function of the velocity which ...
openaire   +1 more source

Firearms and Ballistics

, 2016
Chapter 7 of the book entitled 'Practical Veterinary Forensics' aims to introduce forensic veterinarians to the scientific concepts underpinning the field of firearms and ballistics.
BOLTON-KING, Rachel, Schulze, Johan, R. Bolton-King, J. Schulze   +3 more
core   +1 more source

Estimate of projectile initial velocity as a solution of a two-point boundary value problem / Оценка начальной скорости снаряда как решение двухточечной граничной задачи / Procena početne brzine projektila kao rešenje problema granične vrednosti za dve tačke [PDF]

Vojnotehnički Glasnik, 2018
The estimating of a projectile initial velocity is formulated as a two-point boundary value problem. To solve it, the data of a Doppler Radar or the results of solving the Cauchy problem can be used.
Vadim L. Khaikov
doaj   +1 more source

Nondestructive Testing of Welded Composite Metal Foams

Advanced Engineering Materials, EarlyView.
X‐ray computed tomography (CT) is used to evaluate welded steel–steel composite metal foam (CMF) joints of two density classes. It reports variation in postweld spatial void distribution and correlates it to weld‐induced changes, mechanical performance, and failure within welded CMF panels.
Chinmaya Prerana Inguva, Aman Kaushik, Afsaneh Rabiei   +2 more
wiley   +1 more source

Aerodynamic and External Ballistic modelling of a Rocket Target with Two Motors in a Parallel Configuration

Mechanics, 2023
Rocket targets are essential for live-fire military training. RT-400 is a short-range rocket target. This rocket must be improvised for a longer range. So, two motors are used to upgrade the range of the rocket. as the dimensions of the rocket change, it is required to analyse the nose cone shape for the prediction of forces and coefficients.
Manimaran, Hari Prasanna, Fedaravičius, Algimantas, Kauno technologijos universitetas   +2 more
openaire   +1 more source

A ballistics module as a part of the fire control system

Vojnotehnički Glasnik, 2013
This article presents a ballistics module as a part of the fire control system of weapons for fire support (mortars, artillery weapons and rocket launchers). The software is "open" with the prominence of autonomy work.
Branka R. Luković, Veljko P. Petrović, Veselin L. Mrdak   +2 more
doaj   +1 more source

Enhanced Terahertz Thermoelectricity Via Engineered Van Hove Singularities and Nernst Effect in Moiré Superlattices

Advanced Functional Materials, EarlyView.
Moiré band engineering in graphene/hexagonal boron nitride–based superlattices unlocks van Hove singularities (VHSs) for terahertz (THz) optoelectronics. Tuning the Fermi level near these singularities, associated with secondary neutrality points (SNPs), enhances the photothermoelectric response.
Leonid Elesin, Arthur L. Shilov, Subhajit Jana, Ilya Mazurenko, Pierre A. Pantaleon, Mikhail Kashchenko, Nikita Krivovichev, Viacheslav Dremov, Igor Gayduchenko, Takashi Taniguchi, Kenji Watanabe, Yibo Wang, Kostya S. Novoselov, Dmitry A. Svintsov, Grigory Goltsman, Elena I. Titova, Denis A. Bandurin   +16 more
wiley   +1 more source

ON SOME PROBLEMS OF EXTERNAL BALLISTICS

Международный научный журнал "Современные информационные технологии и ИТ-образование", 2017
В статье представлен подход к решению некоторых задач баллистики. Основным объектом является пусковая установка в целом с возможностью установки угла поворота, угла подъема и начальной скорости. Предложена общая математическая модель полета объекта, на котором был протестирован этот подход.
openaire   +1 more source

3D Printing Innovations in Polymeric Porous and Patterned Architecture

Advanced Functional Materials, EarlyView.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil, Sri Vaishnavi Thummalapalli, Clarissa Westover, Arunachalam Ramanathan, M. Taylor Sobzcak, Roumika Patil, Qixuan Xiang, Tiantian Li, Sui Yang, Timothy E. Long, Hongyue Sun, Xianqiao Wang, Yang Liu, Kenan Song   +13 more
wiley   +1 more source

Structure‐Guided Dynamical Mechanics in Bioinspired Double Twisted Laminated Thin Films

Advanced Functional Materials, EarlyView.
This work explores a dynamic mechanistic study of crack propagation and puncture testing via real‐time monitoring of crack initiation, propagation, and termination through nature‐inspired single and double twisted architectures fabricated from cellulose nanocrystals.
Justin Brackenridge, Olivia Harper, Jaejun Lee, Sergio Gonzalez‐Munoz, Vladimir V. Tsukruk   +4 more
wiley   +1 more source