نتایج جستجو برای: ballistics

تعداد نتایج: 390  

Journal: :The International Conference on Chemical and Environmental Engineering 2012

Journal: :Energies 2022

This paper presents the results of estimation priming mixture force for primers used in 12.7 mm ammunition. The method is based on pressure measurements a closed chamber into which products combustion flowed. capacity was changed by inserting sleeves various volumes. Another value performed using earlier investigations filled with glass balls. determined values were compared estimated accessibl...

Journal: :CoRR 2015
Minati Mishra M. C. Adhikary

Digitization of images has made image editing easier. Ease of image editing tempted users and professionals to manipulate digital images leading to digital image forgeries. Today digital image forgery has posed a great threat to the authenticity of the popular digital media, the digital images. A lot of research is going on worldwide to detect image forgery and to separate the forged images fro...

Journal: :iranian journal of mechanical engineering transactions of the isme 2013
s. gh. moshir stekhareh a. r. mostofizadeh n. fouladi a. soleyman

an internal ballistics model has been developed for performance prediction of a solid propellant rocket motor. inthis model a 1-d unsteady euler equation with source terms is considered. the flow is assumed as a non-reacting mixture of perfect gases with space and time varying thermo physical properties. the governing equations in the combustion chamber are solved numerically by using the stege...

Journal: :Forensic science review 1999
K S Field D M Lucas

In 1998 the American Academy of Forensic Sciences celebrated its first 50 years of operation at its Golden Anniversary Meeting in San Francisco. In anticipation of that event, in 1991 the Academy created a committee to prepare a history of the organization. One of the products of that committee was a book, the principal author of which was one of the authors of this review (KSF). The theme of t...

Journal: :Journal of forensic sciences 2007
Daniel Franklin Charles E Oxnard Paul O'Higgins Ian Dadour

There have been numerous attempts, with varying degrees of success, to differentiate males from females on the basis of the immature skeleton. We investigate here whether the mandible can discriminate immature individuals by sex; the techniques we apply are from the field of geometric morphometrics. The application of these methods in forensic anthropology is still relatively new; thus, an impo...

Journal: :Journal of forensic nursing 2012
Kewal Krishan Tanuj Kanchan Ritesh G Menezes Abhik Ghosh

The examination of skeletal remains is a challenge to the medical examiner's/coroner's office and the forensic anthropologist conducting the investigation. One of the objectives of the medico-legal investigation is to estimate stature or height from various skeletal remains and body parts brought for examination. Various skeletal remains and body parts bear a positive and linear correlation wit...

1998
D J Grose

A generalized set of equations of motion suitable for modelling a multi-phase plume in a crossow have been identi ed. Simpli cation of the equations is presented for a fully evolved two phase three dimensional plume of low curvature by using radially averaged values of velocity and droplet radius to calculate the tangential momentum balance between the phases. This balance, augmented to include...

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