Results 111 to 120 of about 6,909 (279)

Internal Ballistics of Recoilless Guns

open access: yes, 2014
A new method for calculating the ballistics of recoilless guns during the period of burning of the propellant has been obtained. Ballistics have also been calculated by exact numerical integration in a few cases and these results have been compared with ...
Ray, Asim
core   +1 more source

Effect of Different Surface Treatments on Resistance to Abrasive Wear of AISI 4140 Steel

open access: yessteel research international, EarlyView.
This study investigates how different surface treatments affect resistance to abrasive wear of AISI 4140 Steel. The wear rate was significantly higher in samples subjected to conventional treatments than in samples coated using the HVOF process, demonstrating the superior efficiency of coatings applied by thermal spraying in mitigating abrasive wear ...
Everton Freitas de Oliveira   +3 more
wiley   +1 more source

The Reflexive Turn in Systems Engineering: A Disciplinary Response to Complexity

open access: yesSystems Engineering, EarlyView.
ABSTRACT The Future of Systems Engineering (FuSE) programme has called for the discipline to evolve as a transdiscipline capable of engaging complex eco‐socio‐technical challenges. Yet the pace of that evolution has been slower than the arguments for it would predict. This article examines why.
Raul Leal Ascencio
wiley   +1 more source

Forensic Ballistics [PDF]

open access: yes
The topic of this thesis is forensic ballistics, one of the oldest fields within forensic science. It examines the use of firearms, ammunition, and many other related aspects in connection with the commission of crimes.
Švarc, David
core   +1 more source

What Is the Return on Investment of Digital Engineering for Complex Systems Development Schedules? Findings From a Mixed‐Methods Case Study on the Post‐Production Design Change Processes of Navy Assets

open access: yesSystems Engineering, EarlyView.
ABSTRACT Complex engineered systems routinely face schedule and cost overruns, along with poor post‐deployment performance. Both INCOSE and the U.S. Department of Defense (DoD) have championed Digital Engineering (DE) as a potential remedy, yet most of DE's purported benefits remain anecdotal, and its return on investment (ROI) remains poorly ...
Jannatul Shefa, Taylan G. Topcu
wiley   +1 more source

Forensic ballistics [PDF]

open access: yes, 2015
The aim of this thesis is to introduce the basic information about the forensic ballistics and about the procedure of ballistic experts. The first chapter is dedicated to clarification the fundamental terms of the subject matter of this thesis.
Papírníková, Lenka
core  

Prognostic Value of Initial CT Imaging for Surgical Planning and Outcomes in Panfacial Fractures: A Systematic Review and Meta‐Analysis

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.
ABSTRACT Objective To evaluate the reported prognostic value of initial computed tomography (CT) imaging for surgical planning and postoperative outcomes in panfacial fractures, and to determine whether CT‐derived variables have been consistently linked to clinically relevant outcomes.
Kambiz Ebrahimi   +8 more
wiley   +1 more source

Preparing to Fight the ‘Wrong War’? Why the UK Defence Budget Must Focus More on ‘National Resilience’

open access: yesThe Political Quarterly, EarlyView.
Abstract This article argues that the current debate over defence spending in the United Kingdom is fundamentally flawed. Too much emphasis is being placed on preparing for a form of warfare with Russia that is unlikely to occur. As this article points out, the Russians actually want to avoid a traditional battlefield confrontation with NATO.
Rod Thornton
wiley   +1 more source

Forensic ballistics

open access: yes, 2010
Criminalistic ballistics The aim of my thesis is to analyse criminalistic ballistics, which is a technical criminalistic method enabling to convict many offenders.
Hoznour, Ondřej
core  

3D‐printed wound channels

open access: yesJournal of Forensic Sciences, EarlyView.
Abstract Although soft tissue simulants are widely used in ballistic research, glycerine soap is the only material that offers a clear view of the temporary cavity of a wound channel without the use of optical apparatus. However, the latter still shows some inconvenience mostly on its weight and its dehydration process when cut, making it challenging ...
Fabiano Riva   +5 more
wiley   +1 more source

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