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PYROTECHNICS

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Sofia Bendana

on 10 June 2015

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Transcript of PYROTECHNICS

What is Pyrotechnics?
Pyrotechnics is the art of making explosions, more specifically, fireworks. These brilliant illuminations awe crowds on holidays, and bring movies to life.
PYROTECHNICS
Structure
So what's in a firework? Imagine an outer shell, usually made of paper or plastic. Half of the interior is dedicated to getting the firework in the air, and the other to the actual explosion. One half contains gunpowder, and scattered inside the gunpowder are sphere-shaped explosives coated in colorizing metal called stars. They make the points of light we see during a fireworks display. A "time-delay fuse" controls the time when the firework explodes, and a fast fuse propels the firework up!
Pros and Cons
Fireworks make awesome celebrations, and certain types of them, like fireballs and squibs, create dramatic movie effects like gunshots, but there are some drawbacks. Besides being dangerous if they explode in the wrong places, the smoke can be damaging for our health, and for other species. On the upside, some pyro-technicians are starting to use compressed air, which is safer and more precise
Metals and their Colors
Red --Strontium and lithium

Yellow -- Sodium

Green -- Barium

Blue -- Copper

Violet -- Potassium and rubidium


Gold -- Charcoal, iron or lampblack

White -- Titanium, aluminum, beryllium or magnesium powders


Types of Fireworks
• Airburst
• Preloaded Smoke Pot
• Concussion
• Fireballs / Mortar Hits
• Gerb
• Line Rockets
• Pre-Mixed Powder Squib
• Strobe
• Wheel
And much, much more

Bibliograpy
The Science of Pyrotechnics
The exact definition of "pyrotechnics is the science of using materials capable of undergoing self-contained and self-sustained exothermic chemical reactions for the production of heat, light, gas, smoke and/or sound." Spectroscopy, the study of the interaction between electromagnetic waves and radiation, is very important as well. Just like a nuclear reaction, fireworks use chain reactions that propel the firework upward, and explode at the right time.
http://www.theverge.com/2013/7/4/4489980/how-do-fireworks-work
www.sciencedaily.com/releases/2012/06/120627154146.htm
http://
en.wikipedia.org/wiki/Pyrotechnics
Full transcript