Review of: Bombs and Bombings,
A Handbook to Protection, Security, Detection, Disposal, and Investigation for Industry, Police, and Fire Departments, Third Edition.
Reviewed by: Megan Bottegal, BS. and Bruce McCord, PhD.
This book is an overview of the vast and personal experience Captain Thomas Brodie has accumulated in twenty-four years as a founder of the Miami Bomb squad and supervisor of its crime scene unit. Over the course of his career, Captain Brodie investigated approximately 350 bombings and assisted in the disposal of over 4000 bombs and tons of explosives. He is a charter member of the International Association of Bomb Technicians and Investigators and among other awards and honors, he was knighted by the Queen Elizabeth II for his role in protecting the British Empire in the Caribbean. Captain Brodie’s experiences arise from his role in developing, adapting, and utilizing a variety of tools for bomb detection, disruption and disposal during his service to the city of Miami, and the counterterrorism community.
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Ref: JPyro, Issue 25, 2007, pp59-59
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Review of: Introduction to Fireworks
Reviewed by Theodore S. Sumrall
Introduction to Fireworks is an excellent text and reference manual for scientists and engineers involved in energetic material research and development.
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Ref: JPyro, Issue 25, 2007, pp58-58
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Thermal Conductivity Testing of Minimal Volumes of Energetic Powders
Adam Harris and Daniel N. Sorensen
Keywords: thermal conductivity, transient plane source, energetic powder, electrostatic discharge
Ref: JPyro, Issue 25, 2007, pp53-57
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Survey of Firework Trends from UK Display Companies
Tom Smith and Avril di Palma
Abstract: As part of Davas’s involvement with the UK firework display industry, a survey of UK professional firework display companies was carried out to identify areas of current concern and to attempt to identify trends. The results of this survey are presented here.
Keywords: Survey, 2007, fireworks, UK
Ref: JPyro, Issue 25, 2007, pp49-52
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Evaluation Of Multi-shot Firework Articles Using Mortar Recoil Measurements
R. Guilbeault and E. Contestabile
Abstract: Recoil from fireworks articles often arises as a concern in accident investigations or when fireworks are launched from unconventional locations such as rooftops, or other light building elements such as overhangs, from decks of small bridges or those of barges. In this latter case, the Authority Having Jurisdiction will typically require some assurance that the structure will not be damaged and is sufficiently robust to support the dynamic loads resulting from the function of the firework articles. In this study, it is proposed that such measurements can also be used to evaluate multi-shot devices since; their recoil load history reflects their performance in time and magnitude. Various researchers have, over the last decade, devised means to measured recoil loads. Piezoelectric load cells, which have fast response time, have been used and found to satisfactorily track the fireworks recoil loads. This study presents data obtained using an apparatus in the form of a 25-cm diameter platform. Fireworks mortars or articles are placed and functioned on the platform. The signal from the piezoelectric load cell is recorded by a digital storage oscilloscope. The results indicate that the recoil history can be used to determine inter-shot times, total duration, andrelative launch heights of the effects of the multi-shot article. In addition, defective launches and other modes of failure such as in timing can also be easily identified.
Keywords: multi-shot fireworks, recoil, load cell, RLP, mortar
Ref: JPyro, Issue 25, 2007, pp44-48
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Exterior Ballistics of Firework Stars
Yuzo Ooki, Dayu Ding, Morimasa Higaki, and Tadao Yoshida
Abstract: Burning and shot experiments have been carried out to examine the burning time and the trajectory of burning firework stars. The burning time in flight was longer than the stationary burning time. The trajectory of a burning star in the air was modeled assuming the linear burning rate of the star and CD = at + b. It was found that there are sometimes abnormal trajectories and interruption of the burning during flight for a large star with high initial velocity.
Keywords: Exterior ballistics, firework star, burning rate, initial velocity
Ref: JPyro, Issue 25, 2007, pp37-43
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