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Browsing by Author "Olivier, Marius"

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The application of multispectral light detectors to gauge detonative events by means of their emitted light signature

Author: Olivier, Marius Date: Sep 2016 It is well known that reacting explosives emit light of varying intensity across the light spectrum. Measurement of this emitted light could have many applications, i.a. the creation of a database of characteristic light signatures at specific ... Read more
Characterising argon-bomb balloons for high-speed photography

Author: Olivier, Marius ; Mostert, FJ Date: Aug 2013 A method to optimise the geometry, explosive charge mass and volume of an argon bomb for specific lighting requirements has been proposed. The method is specifically aimed at applications that require photographic diagnostics with ultra-high ... Read more
Characterising the light output from Argon bombs by two simultaneous diagnostic techniques

Author: Olivier, Marius ; Mostert, FJ ; Snyman, IM Date: 2013 The light output from Argon-bombs was investigated by means of ultra high speed photography (Cordin Model 550-32 camera) and locally developed photodiode sensors. Tubes of various sizes were inflated with Argon gas, and were detonated on one ... Read more
The conceptual design and development of Novel low cost sensors for measuring the relative light emission in the pre-millisecond stages detonating explosive charges

Author: Olivier, Marius Date: Dec 2012 During the course of the CSIR’s research into the characterisation of explosive sources to devise methods of active intervention against threats, the need has arisen to research a particular means of early identification of the threat, which ... Read more
Determining the timeline of ultra-high speed images of the Cordin 550-32 camera

Author: Olivier, Marius ; Ramaloko, PM Date: Sep 2014 A method to determine the timeline of captured images of the Cordin 550-32 Ultra-High Speed Camera has been developed. The method is aimed at applications that require photographic diagnostics, with the Cordin camera, in conjunction with other ... Read more
Evaluating the authenticity of smartphone evidence

Author: Pieterse, Heloise ; Olivier, Marius ; Van Heerden, Renier P Date: Aug 2017 The widespread use and rich functionality of smartphones have made them valuable sources of digital evidence. Malicious individuals are becoming aware of the importance of digital evidence found on smartphones and may be interested in deploying ... Read more
Prediction of detonation and JWL eos parameters of energetic materials using EXPLO5 computer code

Author: Peter, Xolani K ; Jiba, Zetu ; Olivier, Marius ; Snyman, Izak M ; Mostert, Frikkie M ; Sono, Tleyane Date: Sep 2016 The thermochemical computer code EXPLO5 has been used for simple calculations of detonation properties and energy of an important class of organic explosives, namely nitro-aromatic energetic compounds such as cast TNT and mixtures, as well ... Read more
Relating pressure measurements to phenomena observed in high speed video recordings during tests of explosive charges in a semi-confined blast chamber

Author: Mostert, FJ ; Snyman, IM ; Olivier, Marius ; Grundlingh, W ; Sono, TJ Date: Sep 2012 Tests with explosive charges of 0.5 kg and 2 kg were conducted in the semi-confined blast chamber at the CSIR DBEL test range. Pressure measurements were obtained with side-on and face-on sensors mounted in the walls of the chamber and high ... Read more
Scaling of light emission from detonating bare Composition B, 2,4,6-trinitrotoluene [C7H5(NO2)3], and PE4 plastic explosive charges

Author: Mostert, FJ ; Olivier, Marius Date: Oct 2011 It is well known that an intense flash of light is emitted when an explosive charge is detonated. The light emission continues well beyond the actual detonation process due to shock excitation of the air molecules around the charge, as well ... Read more
The use of light detectors to discriminate between detonation and deflagration of explosive charges

Author: Olivier, Marius Date: Oct 2015 It is well known that reacting explosives emit light of varying intensity across the spectrum. Measurement of this light emission could have many applications, i.a. the local or stand-off discrimination between full detonation and deflagration ... Read more
Using an ultra-high speed camera to capture a tube expansion test

Author: Snyman, Izak M ; Olivier, Marius Date: Sep 2016 Computational analyses of explosive events became commonplace over the last twenty years or so. The input parameters used by these computational tools to calculate the material response requires extensive testing in most cases. One set of ... Read more

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Browsing by Author "Olivier, Marius"

Browsing by Author "Olivier, Marius"

Browse

All of ResearchSpace

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General Enquiries

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