Stanley Azzopardi Abstract: The objective of this paper is to review the practices, postures and workstations in Maltese fireworks factories which may cause back pain and musculoskeletal disorders to fireworkers. Hazards varying from the toxicity of substances used to produce colours and pyro-effects up to ergonomic adversities that such processes impose upon the workers are …
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Book Review: Initiation of Explosives & Pyrotechnic Materials
By: Jean-Rene Duguet – R&D Manager and Consultant in Pyrotechnics. Preface by: Dr Attie Goosen Published by: Cultures et Techniques – cultures.techniques@hotmail.fr ISBN: 978-2-918209-02-7 Price: 50Euros This small paperback book is packed with information on the chemistry and mechanics of initiation and has extensive chapters on:- General outline Explosives and Production Processes Initaitors and Related …
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Characteristics of the Red Colored Flame of Firework Compositions
Dayu Ding, Daichi Tabata and Tadao Yoshida Abstract:: Experiments have been conducted varying the oxygen balance of fi rework compositions and adding a chlorine donor to compositions in order to understand how or why a red fl ame is affected by the oxygen balance and presence of chlorine in the composition. The results show that …
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Pyrotechnic Chemistry Course
The next course in the UK will be held at Grafham on 19/20/21 April 2010 For more details see http://www.pyrochemistry.net
Effects of Variation of Component Content on the Colored Flame of Firework Star Compositions
Kazuomi Itoh, Hideo Watanabe, Dayu Ding and Tadao Yoshida Abstract: The spectra of the colored flames of firework compositions were measured with a spectrometer and processed into chromaticity coordinates. The change in color purity as a function of composition is shown using chromaticity diagrams. Firework star compositions of red, yellow, green and blue were tested. …
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Metal–Fluorocarbon Pyrolants: IX. Burn rate and Radiometric Performance of Magnesium/Teflon/Viton (MTV) Modified with Zirconium
Ernst-Christian Koch Abstract: The burn rate, u (mm s−1) of fuel rich magnesium/Teflon/Viton (MTV) is increased by 65% upon addition of zirconium whereas the spectral efficiency Eβ (J g−1 sr−1) is reduced by 15%. Keywords: Burn rate, zirconium, magnesium, MTV, polytetrafluoroethylene, radiometry, TeflonTM, VitonTM Ref: JPyro, Issue 28, 2009, pp16-18 (J28_16)
Fireworks on the Sumida River
Damien Liu-Brennan and Tadao Yoshida Abstract: Fireworks (hanabi) were originally displayed on the Sumida River in 1733 as a memorial service for the victims of starvation due to crop failures and plague, and an epidemic of cholera. The fireworks display originated as the “Ryōgoku Kawabiraki Hanabi” (Ryōgoku River-Opening Fireworks) with only 20 fireworks displayed. Although …
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JPyro Board Members
We thank the following for their work as Board members of the Journal of Pyrotechnics Izaskun Astondoa Pirotecnia Astondoa, S.A. Barrio Irupago s/n 48143 Areatza (Bizkaia) Spain Pierre Thebault Etienne LACROIX Tous Artifices S.A. Route de Gaudies 09270 MAZERES France Andrew Tang Tian Cheng Pyrotechnics Laboratory Lihua Village Yanxi Town Liuyang City Hunan China 410304 …
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Theory of Colored Flame Production
B. E. Douda Abstract: The theories and attributes associated with the production of colored flames are presented. Particular attention is given to flames containing strontium (red), barium (green), sodium (yellow) and copper (green or blue). Thermal excitation of vaporized neutral atoms, molecules and ions is correlated with the emission of atomic, band and ionic spectra. …
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